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description Publicationkeyboard_double_arrow_right Research , Other literature type , Article 2013 Netherlands, BelgiumPublisher:Elsevier BV Authors: Karima Kourtit; Cathy Macharis; Peter Nijkamp;Karima Kourtit; Cathy Macharis; Peter Nijkamp;This discussion paper led to an article in Applied Geography (2014). Volume 49(SI), pages 24-36. The strong world-wide urbanisation trend calls for a repositioning of cities, especially the large cities with a global impact. These cities tend to become economic, logistic and political powerhouses and are increasingly involved in a competition on their integral performance. The present paper aims to trace to what extent and why some cities outperform others. Starting from an extensive database on many important characteristics of global cities, this paper offers a multi-criteria methodology for identifying the relative position of various important cities on the basis of distinct assessment criteria. The explicit consideration of the perceptions of important classes of stakeholders on the performance outcomes of the various cities involved allows for a enhanced policy analysis. From a technical assessment perspective, the applied part of the paper employs the MAMCA and PROMETHEE multi-criteria methodology, which have proven their analytical power in various mu lti-criteria evaluation problems over the past years. The paper concludes with some policy perspectives and lessons.
Applied Geography; N... arrow_drop_down Applied Geography; NARCIS; Research Papers in Economics; SSRN Electronic JournalArticle . Preprint . Research . 2013Full-Text: http://papers.tinbergen.nl/13108.pdfVrije Universiteit Brussel Research PortalOther literature type . 2014Data sources: Vrije Universiteit Brussel Research PortalApplied GeographyArticle . 2014 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.2305943&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 48 citations 48 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Applied Geography; N... arrow_drop_down Applied Geography; NARCIS; Research Papers in Economics; SSRN Electronic JournalArticle . Preprint . Research . 2013Full-Text: http://papers.tinbergen.nl/13108.pdfVrije Universiteit Brussel Research PortalOther literature type . 2014Data sources: Vrije Universiteit Brussel Research PortalApplied GeographyArticle . 2014 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.2305943&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint , Conference object 2018 NetherlandsPublisher:IEEE Funded by:EC | SEDAL, SNSF | Multimodal machine learni...EC| SEDAL ,SNSF| Multimodal machine learning for remote sensing information fusionAuthors: Tuia, Devis; Kellenberger, Benjamin; Perez-suey, Adrian; Camps-valls, Gustau;Tuia, Devis; Kellenberger, Benjamin; Perez-suey, Adrian; Camps-valls, Gustau;We present a deep learning model with temporal memory to detect clouds in image time series acquired by the Seviri imager mounted on the Meteosat Second Generation (MSG) satellite. The model provides pixel-level cloud maps with related confidence and propagates information in time via a recurrent neural network structure. With a single model, we are able to outline clouds along all year and during day and night with high accuracy.
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Conference object . 2018Full-Text: https://edepot.wur.nl/467720NARCISOther literature type . Conference object . 2018 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/igarss.2018.8517312&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 4 citations 4 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Conference object . 2018Full-Text: https://edepot.wur.nl/467720NARCISOther literature type . Conference object . 2018 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/igarss.2018.8517312&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article 2012 NetherlandsPublisher:Copernicus GmbH Salama, M.S.; van de Velde, R.J.; van der Woerd, H.J.; Kromkamp, J.C.; Phililppart, C.J.M.; Joseph, A.T.; O'Neill, P.E.; Lang, R.H.; Gish, T.; Werdell, P.J.; Su, Z.;Abstract. We present a method to calibrate and validate observational models that interrelate remotely sensed energy fluxes to geophysical variables of land and water surfaces. Coincident sets of remote sensing observation of visible and microwave radiations and geophysical data are assembled and subdivided into calibration (Cal) and validation (Val) data sets. Each Cal/Val pair is used to derive the coefficients (from the Cal set) and the accuracy (from the Val set) of the observation model. Combining the results from all Cal/Val pairs provides probability distributions of the model coefficients and model errors. The method is generic and demonstrated using comprehensive matchup sets from two very different disciplines, soil moisture and water quality. The results demonstrate that the method provides robust model coefficients and quantitative measure of the model uncertainty. This approach can be adopted for the calibration/validation of satellite products of land and water surfaces and the resulting uncertainty can be used as input to data assimilation schemes.
Biogeosciences; NARC... arrow_drop_down Biogeosciences; NARCISArticle . 2012BiogeosciencesArticle . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/bgd-9-311-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 12 citations 12 popularity Average influence Average impulse Average Powered by BIP!more_vert Biogeosciences; NARC... arrow_drop_down Biogeosciences; NARCISArticle . 2012BiogeosciencesArticle . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/bgd-9-311-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Preprint 2022Embargo end date: 01 Jan 2022 NetherlandsPublisher:arXiv Funded by:EC | DRAGONEC| DRAGONAuthors: Pylianidis, C.; Athanasiadis, I.N.;Pylianidis, C.; Athanasiadis, I.N.;Learning latent representations has aided operational decision-making in several disciplines. Its advantages include uncovering hidden interactions in data and automating procedures which were performed manually in the past. Representation learning is also being adopted by earth and environmental sciences. However, there are still subfields that depend on manual feature engineering based on expert knowledge and the use of algorithms which do not utilize the latent space. Relying on those techniques can inhibit operational decision-making since they impose data constraints and inhibit automation. In this work, we adopt a case study for nitrogen response rate prediction and examine if representation learning can be used for operational use. We compare a Multilayer Perceptron, an Autoencoder, and a dual-head Autoencoder with a reference Random Forest model for nitrogen response rate prediction. To bring the predictions closer to an operational setting we assume absence of future weather data, and we are evaluating the models using error metrics and a domain-derived error threshold. The results show that learning latent representations can provide operational nitrogen response rate predictions by offering performance equal and sometimes better than the reference model. Comment: Appeared at the AI for Earth Sciences workshop at @ICLR2022, April 29, 2022. https://ai4earthscience.github.io/iclr-2022-workshop/
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WURConference object . 2022License: CC BY NC NDFull-Text: https://edepot.wur.nl/570365Research@WUR; NARCISOther literature type . Article . Conference object . 2022License: CC BY NC NDadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.48550/arxiv.2205.09025&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WURConference object . 2022License: CC BY NC NDFull-Text: https://edepot.wur.nl/570365Research@WUR; NARCISOther literature type . Article . Conference object . 2022License: CC BY NC NDadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.48550/arxiv.2205.09025&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint 2005 Netherlands, Croatia, Netherlands, United Kingdom, Netherlands, Italy, France, Netherlands, Netherlands, Netherlands, Germany, Netherlands, Netherlands, NetherlandsPublisher:EDP Sciences Funded by:EC | LOFAR-AUGER, EC | LODESTONE, ANR | OPALES +1 projectsEC| LOFAR-AUGER ,EC| LODESTONE ,ANR| OPALES ,NWO| A new, concentric, contra-rotating propeller dronevan Haarlem, M. P.; Wise, M. W.; Gunst, A. W.; Heald, G.; McKean, J. P.; Hessels, J. W. T.; de Bruyn, A. G.; Nijboer, R.; Swinbank, J.; Fallows, R.; Brentjens, M.; Nelles, A.; Beck, R.; Falcke, H.; Fender, R.; Hörandel, J.; Koopmans, L. V. E.; Mann, G.; Miley, G.; Röttgering, H.; Stappers, B. W.; Wijers, R. A. M. J.; Zaroubi, S.; van den Akker, M.; Alexov, A.; Anderson, J.; Anderson, K.; van Ardenne, A.; Arts, M.; Asgekar, A.; Avruch, I. M.; Batejat, F.; Bähren, L.; Bell, M. E.; Bell, M. R.; van Bemmel, I.; Bennema, P.; Bentum, M. J.; Bernardi, G.; Best, P.; Bîrzan, L.; Bonafede, A.; Boonstra, A.-J.; Braun, R.; Bregman, J.; Breitling, F.; van de Brink, R. H.; Broderick, J.; Broekema, P. C.; Brouw, W. N.; Brüggen, M.; Butcher, H. R.; van Cappellen, W.; Ciardi, B.; Coenen, T.; Conway, J.; Coolen, A.; Corstanje, A.; Damstra, S.; Davies, O.; Deller, A. T.; Dettmar, R.-J.; van Diepen, G.; Dijkstra, K.; Donker, P.; Doorduin, A.; Dromer, J.; Drost, M.; van Duin, A.; Eislöffel, J.; van Enst, J.; Ferrari, C.; Frieswijk, W.; Gankema, H.; Garrett, M. A.; de Gasperin, F.; Gerbers, M.; de Geus, E.; Grießmeier, J.-M.; Grit, T.; Gruppen, P.; Hamaker, J. P.; Hassall, T.; Hoeft, M.; Holties, H. A.; Horneffer, A.; van der Horst, A.; van Houwelingen, A.; Huijgen, A.; Iacobelli, M.; Intema, H.; Jackson, N.; Jelic, V.; de Jong, A.; Juette, E.; Kant, D.; Karastergiou, A.; Koers, A.; Kollen, H.; Kondratiev, V. I.; Kooistra, E.; Koopman, Y.; Koster, A.; Kuniyoshi, M.; Kramer, M.; Kuper, G.; Lambropoulos, P.; Law, C.; van Leeuwen, J.; Lemaitre, J.; Loose, M.; Maat, P.; Macario, G.; Markoff, S.; Masters, J.; McFadden, R. A.; McKay-Bukowski, D.; Meijering, H.; Meulman, H.; Mevius, M.; Middelberg, E.; Millenaar, R.; Miller-Jones, J. C. A.; Mohan, R. N.; Mol, J. D.; Morawietz, J.; Morganti, R.; Mulcahy, D. D.; Mulder, E.; Munk, H.; Nieuwenhuis, L.; van Nieuwpoort, R.; Noordam, J. E.; Norden, M.; Noutsos, A.; Offringa, A. R.; Olofsson, H.; Omar, A.; Orrú, E.; Overeem, R.; Paas, H.; Pandey-Pommier, M.; Pandey, V. N.; Pizzo, R.; Polatidis, A.; Rafferty, D.; Rawlings, S.; Reich, W.; de Reijer, J.-P.; Reitsma, J.; Renting, G. A.; Riemers, P.; Rol, E.; Romein, J. W.; Roosjen, J.; Ruiter, M.; Scaife, A.; van der Schaaf, K.; Scheers, B.; Schellart, P.; Schoenmakers, A.; Schoonderbeek, G.; Serylak, M.; Shulevski, A.; Sluman, J.; Smirnov, O.; Sobey, C.; Spreeuw, H.; Steinmetz, M.; Sterks, C. G. M.; Stiepel, H.-J.; Stuurwold, K.; Tagger, M.; Tang, Y.; Tasse, C.; Thomas, I.; Thoudam, S.; Toribio, M. C.; van der Tol, B.; Usov, O.; van Veelen, M.; van der Veen, A.-J.; ter Veen, S.; Verbiest, Joris; Vermeulen, R.; Vermaas, N.; Vocks, C.; Vogt, C.; de Vos, M.; van der Wal, E.; van Weeren, R.; Weggemans, H.; Weltevrede, P.; White, S.; Wijnholds, S. J.; Wilhelmsson, T.; Wucknitz, O.; Yatawatta, S.; Zarka, P.; Zensus, A.;LOFAR, the LOw-Frequency ARray, is a new-generation radio interferometer constructed in the north of the Netherlands and across europe. Utilizing a novel phased-array design, LOFAR covers the largely unexplored low-frequency range from 10-240 MHz and provides a number of unique observing capabilities. Spreading out from a core located near the village of Exloo in the northeast of the Netherlands, a total of 40 LOFAR stations are nearing completion. A further five stations have been deployed throughout Germany, and one station has been built in each of France, Sweden, and the UK. Digital beam-forming techniques make the LOFAR system agile and allow for rapid repointing of the telescope as well as the potential for multiple simultaneous observations. With its dense core array and long interferometric baselines, LOFAR achieves unparalleled sensitivity and angular resolution in the low-frequency radio regime. The LOFAR facilities are jointly operated by the International LOFAR Telescope (ILT) foundation, as an observatory open to the global astronomical community. LOFAR is one of the first radio observatories to feature automated processing pipelines to deliver fully calibrated science products to its user community. LOFAR's new capabilities, techniques and modus operandi make it an important pathfinder for the Square Kilometre Array (SKA). We give an overview of the LOFAR instrument, its major hardware and software components, and the core science objectives that have driven its design. In addition, we present a selection of new results from the commissioning phase of this new radio observatory. 56 pages, 34 figures, accepted for publication by A&A
NARCIS; Astronomy an... arrow_drop_down NARCIS; Astronomy and AstrophysicsArticle . 2013Radboud Repository; Astronomy and AstrophysicsArticle . 2013Astronomy and AstrophysicsArticle . 2013Oxford University Research Archive; Astronomy and Astrophysics; NARCISOther literature type . Article . 2013 . 2016 . Peer-reviewedNARCIS; Astronomy and AstrophysicsArticle . 2013LUMC Scholarly Publications; Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2013Publications at Bielefeld UniversityOther literature type . 2013License: "In Copyright" Rights StatementData sources: Publications at Bielefeld UniversityCroatian Scientific Bibliography - CROSBIOther literature type . 2013Data sources: Croatian Scientific Bibliography - CROSBIHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2013https://doi.org/10.48550/arxiv...Article . 2013License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/eas:2005169&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 2K citations 1,792 popularity Top 0.01% influence Top 0.1% impulse Average Powered by BIP!more_vert NARCIS; Astronomy an... arrow_drop_down NARCIS; Astronomy and AstrophysicsArticle . 2013Radboud Repository; Astronomy and AstrophysicsArticle . 2013Astronomy and AstrophysicsArticle . 2013Oxford University Research Archive; Astronomy and Astrophysics; NARCISOther literature type . Article . 2013 . 2016 . Peer-reviewedNARCIS; Astronomy and AstrophysicsArticle . 2013LUMC Scholarly Publications; Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2013Publications at Bielefeld UniversityOther literature type . 2013License: "In Copyright" Rights StatementData sources: Publications at Bielefeld UniversityCroatian Scientific Bibliography - CROSBIOther literature type . 2013Data sources: Croatian Scientific Bibliography - CROSBIHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2013https://doi.org/10.48550/arxiv...Article . 2013License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/eas:2005169&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2021 Spain, Netherlands, United KingdomPublisher:EDP Sciences Funded by:UKRI | Gaia CU9 2019-2024 (Edinb...UKRI| Gaia CU9 2019-2024 (Edinburgh element)Rowell, N.; Davidson, M.; Lindegren, L.; Leeuwen, F. van; Castañeda, J.; Fabricius, C.; Bastian, U.; Hambly, N.C.; Hernández, J.; Bombrun, A.; Evans, D.W.; De Angeli, F.; Riello, M.; Busonero, D.; Crowley, C.; Mora, A.; Lammers, U.; Gracia, G.; Portell, J.; Biermann, M.; Brown, A.G.A.;[Context] The unprecedented astrometric precision of the Gaia mission relies on accurate estimates of the locations of sources in the Gaia data stream. This is ultimately performed by point spread function (PSF) fitting, which in turn requires an accurate reconstruction of the PSF, including calibrations of all the major dependences. These include a strong colour dependence due to Gaia's broad G band and a strong time dependence due to the evolving contamination levels and instrument focus. Accurate PSF reconstruction is also important for photometry. Gaia Early Data Release 3 (EDR3) will, for the first time, use a PSF calibration that models several of the strongest dependences, leading to signficantly reduced systematic errors. [Aims] We describe the PSF model and calibration pipeline implemented for Gaia EDR3, including an analysis of the calibration results over the 34 months of data. We include a discussion of the limitations of the current pipeline and directions for future releases. This will be of use both to users of Gaia data and as a reference for other precision astrometry missions. [Methods] We develop models of the 1D line spread function (LSF) and 2D PSF profiles based on a linear combination of basis components. These are designed for flexibility and performance, as well as to meet several mathematical criteria such as normalisation. We fit the models to selected primary sources in independent time ranges, using simple parameterisations for the colour and other dependences. Variation in time is smoothed by merging the independent calibrations in a square root information filter, with resets at certain mission events that induce a discontinuous change in the PSF. [Results] The PSF calibration shows strong time and colour dependences that accurately reproduce the varying state of the Gaia astrometric instrument. Analysis of the residuals reveals both the performance and the limitations of the current models and calibration pipeline, and indicates the directions for future development. [Conclusions] The PSF modelling and calibration carried out for Gaia EDR3 represents a major step forwards in the data processing and will lead to reduced systematic errors in the core mission data products. Further significant improvements are expected in the future data releases. The work described in this paper has been financially supported by the United Kingdom Particle Physics and Astronomy Research Council (PPARC), the United Kingdom Science and Technology Facilities Council (STFC), and the United Kingdom Space Agency (UKSA) through the following grants to the University of Bristol, the University of Cambridge, the University of Edinburgh, the University of Leicester, the Mullard Space Sciences Laboratory of University College London, and the United Kingdom Rutherford Appleton Laboratory (RAL): PP/D006511/1, PP/D006546/1, PP/D006570/1, ST/I000852/1, ST/J005045/1, ST/K00056X/1, ST/K000209/1, ST/K000756/1, ST/L006561/1, ST/N000595/1, ST/N000641/1, ST/N000978/1, ST/N001117/1, ST/S000089/1, ST/S000976/1, ST/S001123/1, ST/S001948/1, ST/S002103/1, and ST/V000969/1; the Spanish Ministry of Economy (MINECO/FEDER, UE) through grants ESP2016-80079-C2-1-R, RTI2018-095076-B-C21 and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia “María de Maeztu”) through grants MDM-2014-0369 and CEX2019-000918-M; the German Aerospace Agency (Deutsches Zentrum für Luft- und Raumfahrt e.V., DLR) through grants 50QG0501, 50QG0601, 50QG0602, 50QG0701, 50QG0901, 50QG1001, 50QG1101, 50QG1401, 50QG1402, 50QG1403, and 50QG1404 and the Centre for Information Services and High Performance Computing (ZIH) at the Technische Universität (TU) Dresden for generous allocations of computer time; the Agenzia Spaziale Italiana (ASI) through contracts I/037/08/0, I/058/10/0, 2014-025-R.0, 2014-025-R.1.2015 and 2018-24-HH.0 to the Italian Istituto Nazionale di Astrofisica; and the Swedish National Space Board (SNSB/Rymdstyrelsen). A.B. additionally acknowledges financial support from the Netherlands Research School for Astronomy (NOVA). Rowell, N., et al.
NARCIS arrow_drop_down Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2021Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2022Astronomy and AstrophysicsArticle . 2021 . Peer-reviewedLicense: EDP Sciences Copyright and Publication Licensing PolicyData sources: Crossrefhttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/202039448&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 33 citations 33 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 11visibility views 11 download downloads 23 Powered bymore_vert NARCIS arrow_drop_down Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2021Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2022Astronomy and AstrophysicsArticle . 2021 . Peer-reviewedLicense: EDP Sciences Copyright and Publication Licensing PolicyData sources: Crossrefhttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Preprint 2012 United Kingdom, NetherlandsPublisher:SPIE de Jong, R. S.; Bellido-Tirado, Olga; Chiappini, Cristina; Depagne, Éric; Haynes, Roger; Johl, Diana; Schnurr, Olivier; Schwope, Axel D.; Walcher, Jakob; Dionies, Frank; Haynes, Dionne; Kelz, Andreas; Kitaura, Francisco S.; Lamer, Georg; Minchev, Ivan; Müller, Volker; Nuza, Sebastián E.; Olaya, Jean-Christophe; Piffl, Tilmann; Popow, Emil; Steinmetz, Matthias; Ural, Ugur; Williams, Mary; Winkler, Roland; Wisotzki, Lutz; Ansorge, Wolfgang R.; Banerji, Manda; Gonzalez Solares, Eduardo; Irwin, Michael J.; Kennicutt, Robert C., Jr.; King, Dave; Mcmahon, Richard G.; Koposov, Sergey E.; Parry, Ian R.; Sun, David; Walton, Nicholas A.; Finger, Gert; Iwert, Olaf; Krumpe, Mirko; Lizon, Jean-Louis; Vincenzo, Mainieri; Amans, Jean-Philippe; Bonifacio, Piercarlo; Cohen, Mathieu; François, Patrick; Jagourel, Pascal; Mignot, Shan; Royer, Frédéric; Sartoretti, Paola; Bender, Ralf; Grupp, Frank; Hess, Hans-Joachim; Lang-Bardl, Florian; Muschielok, Bernard; Böhringer, Hans; Boller, Thomas; Bongiorno, Angela; Brusa, Marcella; Dwelly, Tom; Merloni, Andrea; Nandra, Kirpal; Salvato, Mara; Pragt, Johan H.; Navarro, Ramón; Gerlofsma, Gerrit; Roelfsema, P. R.; Dalton, Gavin B.; Middleton, Kevin F.; Tosh, Ian A.; Boeche, Corrado; Caffau, Elisabetta; Christlieb, Norbert; Grebel, Eva K.; Hansen, Camilla; Koch, Andreas; Ludwig, Hans-Günter; Quirrenbach, Andreas; Sbordone, Luca; Seifert, Walter; Thimm, Guido; Trifonov, Trifon; Helmi, Amina; Trager, Scott C.; Feltzing, Sofia; Korn, Andreas; Boland, Wilfried;The 4MOST consortium is currently halfway through a Conceptual Design study for ESO with the aim to develop a wide-field (>3 square degree, goal >5 square degree), high-multiplex (>1500 fibres, goal 3000 fibres) spectroscopic survey facility for an ESO 4m-class telescope (VISTA). 4MOST will run permanently on the telescope to perform a 5 year public survey yielding more than 20 million spectra at resolution R~5000 (��=390-1000 nm) and more than 2 million spectra at R~20,000 (395-456.5 nm & 587-673 nm). The 4MOST design is especially intended to complement three key all-sky, space-based observatories of prime European interest: Gaia, eROSITA and Euclid. Initial design and performance estimates for the wide-field corrector concepts are presented. We consider two fibre positioner concepts, a well-known Phi-Theta system and a new R-Theta concept with a large patrol area. The spectrographs are fixed configuration two-arm spectrographs, with dedicated spectrographs for the high- and low-resolution. A full facility simulator is being developed to guide trade-off decisions regarding the optimal field-of-view, number of fibres needed, and the relative fraction of high-to-low resolution fibres. Mock catalogues with template spectra from seven Design Reference Surveys are simulated to verify the science requirements of 4MOST. The 4MOST consortium aims to deliver the full 4MOST facility by the end of 2018 and start delivering high-level data products for both consortium and ESO community targets a year later with yearly increments. To appear in the proceedings of the SPIE Astronomical Instrumentation + Telescopes conference, Amsterdam, 2012. 15 pages, 16 figures
Oxford University Re... arrow_drop_down Oxford University Research Archive; University of Groningen Research Portal; NARCISOther literature type . Conference object . 2012 . 2016 . Peer-reviewedhttps://doi.org/10.48550/arxiv...Article . 2012License: arXiv Non-Exclusive DistributionData sources: DataciteMémoires en Sciences de l'Information et de la CommunicationConference object . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 144 citations 144 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 1visibility views 1 Powered bymore_vert Oxford University Re... arrow_drop_down Oxford University Research Archive; University of Groningen Research Portal; NARCISOther literature type . Conference object . 2012 . 2016 . Peer-reviewedhttps://doi.org/10.48550/arxiv...Article . 2012License: arXiv Non-Exclusive DistributionData sources: DataciteMémoires en Sciences de l'Information et de la CommunicationConference object . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021 Netherlands, Germany, Spain, Netherlands, Netherlands, Finland, Austria, Netherlands, Netherlands, Portugal, NetherlandsPublisher:Research Square Platform LLC Funded by:EC | SOS.aquaterra, ARC | ARC Future Fellowships - ..., ARC | Discovery Early Career Re...EC| SOS.aquaterra ,ARC| ARC Future Fellowships - Grant ID: FT200100381 ,ARC| Discovery Early Career Researcher Award - Grant ID: DE210100606Chrysafi, Anna; Virkki, Vili; Jalava, Mika; Sandström, Vilma; Piipponen, Johannes; Porkka, Miina; Lade, Steven J.; La Mere, Kelsey; Wang-Erlandsson, Lan; Scherer, Laura; Andersen, Lauren S.; Bennett, Elena; Brauman, Kate A.; Cooper, Gregory S.; De Palma, Adriana; Döll, Petra; Downing, Andrea S.; DuBois, Timothy C.; Fetzer, Ingo; Fulton, Elizabeth A.; Gerten, Dieter; Jaafar, Hadi; Jägermeyr, Jonas; Jaramillo, Fernando; Jung, Martin; Kahiluoto, Helena; Lassaletta, Luis; Mackay, Anson W.; Mason-D’Croz, Daniel; Mekonnen, Mesfin M.; Nash, Kirsty L.; Pastor, Amandine V.; Ramankutty, Navin; Ridoutt, Brad; Siebert, Stefan; Simmons, Benno I.; Staal, Arie; Sun, Zhongxiao; Tobian, Arne; Usubiaga-Liaño, Arkaitz; van der Ent, Ruud J.; van Soesbergen, Arnout; Verburg, Peter H.; Wada, Yoshihide; Zipper, Sam; Kummu, Matti; Spatial Ecology and Global Change; Environmental Sciences;handle: 1887/3505125 , 10810/61701 , 10451/55924 , 1874/426293
This study was funded by the European Research Council under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 819202), Aalto University School of Engineering Doctoral Programme, Maa- ja vesitekniikan tuki ry and the Academy of Finland-funded project TREFORM (grant no. 339834). M.P. was supported by the Erling Persson Family Foundation. B.I.S. is supported by a Royal Commission for the Exhibition of 1851 Research Fellowship. L.W.-E, A.T., I.F, L.S.A. and T.D. acknowledge financial support from the European 1225 Research Council through the ‘Earth Resilience in the Anthropocene’ project (no. ERC-2016-1226 ADG 743080). K.L.N. was supported by Australian Research Council funding (DE210100606). A.U.-L. was supported by María de Maeztu excellence accreditation 2018–2022 (ref. MDM-2017-0714), funded by MCIN/AEI/10.13039/501100011033/ and by the Basque Government through the BERC 2022-2025 programme. J.J. was supported by the NASA GISS Climate Impacts Group and the Open Philanthropy Project. Z.S. was supported by Chinese Universities Scientific Fund (2022TC098). L.L. is supported by the Spanish Ministry of Economy and Competitiveness (MINECO) and European Commission ERDF Ramón y Cajal grant (RYC-2016-20269) and Programa Propio from the Universidad Politécnica de Madrid. S.J.L. is the recipient of an Australian Research Council Future Fellowship (project no. FT200100381) funded by the Australian Government. We would like to thank members of the Water and Development group for testing an earlier version of the elicitation web application and A. Fallon for language checking of the manuscript. A.S. was supported by the Dutch Research Council (NWO) Talent Program Grant VI.Veni.202.170. Several safe boundaries of critical Earth system processes have already been crossed due to human perturbations; not accounting for their interactions may further narrow the safe operating space for humanity. Using expert knowledge elicitation, we explored interactions among seven variables representing Earth system processes relevant to food production, identifying many interactions little explored in Earth system literature. We found that green water and land system change affect other Earth system processes strongly, while land, freshwater and ocean components of biosphere integrity are the most impacted by other Earth system processes, most notably blue water and biogeochemical flows. We also mapped a complex network of mechanisms mediating these interactions and created a future research prioritization scheme based on interaction strengths and existing knowledge gaps. Our study improves the understanding of Earth system interactions, with sustainability implications including improved Earth system modelling and more explicit biophysical limits for future food production. © 2022, The Author(s).
IIASA PURE arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2022License: CC BYFull-Text: https://edepot.wur.nl/577550NARCIS; TU Delft RepositoryArticle . 2022NARCIS; Utrecht University RepositoryArticle . 2022Trepo - Institutional Repository of Tampere UniversityArticle . 2022 . Peer-reviewedData sources: Trepo - Institutional Repository of Tampere UniversityGöttingen Research Online PublicationsArticle . 2022Data sources: Göttingen Research Online PublicationsLeiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2022License: CC BYAaltodoc Publication ArchiveArticle . 2022 . Peer-reviewedData sources: Aaltodoc Publication ArchiveUniversidade de Lisboa: Repositório.ULOther literature type . 2022License: CC BYData sources: Universidade de Lisboa: Repositório.ULMémoires en Sciences de l'Information et de la CommunicationArticle . 2022License: CC BYFull-Text: https://hal.inrae.fr/hal-03763821/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.21203/rs.3.rs-1085622/v1&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 11 citations 11 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert IIASA PURE arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2022License: CC BYFull-Text: https://edepot.wur.nl/577550NARCIS; TU Delft RepositoryArticle . 2022NARCIS; Utrecht University RepositoryArticle . 2022Trepo - Institutional Repository of Tampere UniversityArticle . 2022 . Peer-reviewedData sources: Trepo - Institutional Repository of Tampere UniversityGöttingen Research Online PublicationsArticle . 2022Data sources: Göttingen Research Online PublicationsLeiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2022License: CC BYAaltodoc Publication ArchiveArticle . 2022 . Peer-reviewedData sources: Aaltodoc Publication ArchiveUniversidade de Lisboa: Repositório.ULOther literature type . 2022License: CC BYData sources: Universidade de Lisboa: Repositório.ULMémoires en Sciences de l'Information et de la CommunicationArticle . 2022License: CC BYFull-Text: https://hal.inrae.fr/hal-03763821/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint 2020 NetherlandsPublisher:Authorea, Inc. Kevin K. Beentjes; S. Henrik Barmentlo; Ellen Cieraad; Menno Schilthuizen; Berry B. van der Hoorn; Arjen G. C. L. Speksnijder; Krijn B. Trimbos;pmid: 34908199
pmc: PMC9306904
AbstractFreshwater habitats are under stress from agricultural land use, most notably the influx of neonicotinoid pesticides and increased nutrient pressure from fertilizer. Traditional studies investigating the effects of stressors on freshwater systems are often limited to a narrow range of taxa, depending heavily on morphological expertise. Additionally, disentanglement of multiple simultaneous stressors can be difficult in field studies, whereas controlled laboratory conditions do not accurately reflect natural conditions and food webs. To overcome these drawbacks, we investigated the impacts of two agricultural stressors (the neonicotinoid insecticide thiacloprid and fertilizer) in full‐factorial design in a semi‐natural research site, using environmental DNA sampling to study three different taxonomic groups representing three trophic levels: bacteria (decomposers), phytoplankton (primary producers), and chironomids (consumers). The results show considerable impact of both stressors across trophic levels, with an additive effect of fertilizer and thiacloprid on community composition at all levels. These findings suggest that agricultural stressors affect the entire food web, either directly or through cascade reactions. They are also consistent with morphological assessments that were performed in the same study site, even at a lower number of replicates. The study presented shows that the use of multimarker environmental DNA provides a more comprehensive assessment of stressor impacts across multiple trophic levels, at a higher taxonomic resolution than traditional surveys. Additionally, many putative novel bioindicators for both agricultural stressors were discovered. We encourage further investigations into stressors impacts at different trophic levels, which will lead to more effective monitoring and management of freshwater systems.
NARCIS arrow_drop_down Leiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BY NCData sources: Leiden University Scholarly Publications Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22541/au.159236833.30909538&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 3 citations 3 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert NARCIS arrow_drop_down Leiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BY NCData sources: Leiden University Scholarly Publications Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22541/au.159236833.30909538&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Part of book or chapter of book , Article , Preprint 2016 Netherlands, Netherlands, Netherlands, Finland, Spain, Italy, Netherlands, Italy, France, Italy, NetherlandsPublisher:SPIE Barret, Didier; Thien Lam Trong; den Herder, Jan-Willem; Piro, Luigi; Cappi, Massimo; Huovelin, Juhani; Kelley, Richard; Mas-Hesse, J. Miguel; Mitsuda, Kazuhisa; Paltani, Stephane; Rauw, Gregor; Rozanska, Agata; Wilms, Joern; Bandler, Simon; Barbera, Marco; Barcons, Xavier; Bozzo, Enrico; Ceballos, Maria Teresa; Charles, Ivan; Costantini, Elisa; Decourchelle, Anne; den Hartog, Roland; Duband, Lionel; Duval, Jean-Marc; Fiore, Fabrizio; Gatti, Flavio; Goldwurm, Andrea; Jackson, Brian; Jonker, Peter; Kilbourne, Caroline; Macculi, Claudio; Mendez, Mariano; Molendi, Silvano; Orleanski, Piotr; Pajot, Francois; Pointecouteau, Etienne; Porter, Frederick; Pratt, Gabriel W.; Prele, Damien; Ravera, Laurent; Sato, Kosuke; Schaye, Joop; Shinozaki, Keisuke; Thibert, Tanguy; Valenziano, Luca; Valette, Veronique; Vink, Jacco; Webb, Natalie; Wise, Michael; Yamasaki, Noriko; Delcelier-Douchin, Francoise; Mesnager, Jean-Michel; Pontet, Bernard; Pradines, Alice; Branduardi-Raymont, Graziella; Bulbul, Esra; Dadina, Mauro; Ettori, Stefano; Finoguenov, Alexis; Fukazawa, Yasushi; Janiuk, Agnieszka; Kaastra, Jelle; Mazzotta, Pasquale; Miller, Jon; Miniutti, Giovanni; Naze, Yael; Nicastro, Fabrizio; Sciortino, Salvatore; Simionescu, Aurora; Torrejon, Jose Miguel; Geoffray, Herve; Peille, Philippe; Aicardi, Corinne; Andre, Jerome; Garrido, Gonzalo Campos; Clenet, Antoine; Daniel, Christophe; Etcheverry, Christophe; Frezouls, Benot; Gloaguen, Emilie; Hervet, Gilles; Jolly, Antoine; Ledot, Aurelien; Maussang, Irwin; Paillet, Alexis; Schmisser, Roseline; Travert, Jean-Michel; Vella, Bruno; Damery, Jean-Charles; Boyce, Kevin; DiPirro, Michael; Lotti, Simone; Schwander, Denis; Smith, Stephen; van Leeuwen, Bert-Joost; van Weers, Henk; Clerc, Nicolas; Cobo, Beatriz; Dauser, Thomas; de Plaa, Jelle; Kirsch, Christian; Cucchetti, Edoardo; Eckart, Megan; Ferrando, Philippe; Natalucci, Lorenzo;The X-ray Integral Field Unit (X-IFU) is the high resolution X-ray spectrometer of the ESA Athena X-ray observatory. Over a field of view of 5’ equivalent diameter, it will deliver X-ray spectra from 0.2 to 12 keV with a spectral resolution of 2.5 eV up to 7 keV on ∼ 5” pixels. The X-IFU is based on a large format array of super-conducting molybdenum-gold Transition Edge Sensors cooled at ∼ 90 mK, each coupled with an absorber made of gold and bismuth with a pitch of 249 μm. A cryogenic anti-coincidence detector located underneath the prime TES array enables the non X-ray background to be reduced. A bath temperature of ∼ 50 mK is obtained by a series of mechanical coolers combining 15K Pulse Tubes, 4K and 2K Joule-Thomson coolers which pre-cool a sub Kelvin cooler made of a 3He sorption cooler coupled with an Adiabatic Demagnetization Refrigerator. Frequency domain multiplexing enables to read out 40 pixels in one single channel. A photon interacting with an absorber leads to a current pulse, amplified by the readout electronics and whose shape is reconstructed on board to recover its energy with high accuracy. The defocusing capability offered by the Athena movable mirror assembly enables the X-IFU to observe the brightest X-ray sources of the sky (up to Crab-like intensities) by spreading the telescope point spread function over hundreds of pixels. Thus the X-IFU delivers low pile-up, high throughput (< 50%), and typically 10 eV spectral resolution at 1 Crab intensities, i.e. a factor of 10 or more better than Silicon based X-ray detectors. In this paper, the current X-IFU baseline is presented, together with an assessment of its anticipated performance in terms of spectral resolution, background, and count rate capability. The X-IFU baseline configuration will be subject to a preliminary requirement review that is scheduled at the end of 2018. We acknowledge support from the Athena Science Study Team, the Athena Working Group Chairs, the Athena Topical Panel Chairs and the Topical Panel members in strengthening the X-IFU top level performance requirements. Particular thanks go to: E. Rasia, V. Biffi, S. Borgani and K. Dolag for providing cosmological hydrodynamic simulations of a cluster used to produce simulation of X-IFU observation presented in Fig. 2; P.T. O'Brien for assistance with Sect. 2.2.1, A.C. Fabian and C. Pinto for providing inputs for Figure 1. We also thank the ESA project team, and in particular Mark Ayre and Ivo Ferreira, for their work on the assessment of the ToO efficiency requirement. The Italian contribution to X-IFU is supported through the ASI contractn. 2015-046-R.0. XB, MTC and BC acknowledge nancial support by MINECO through grant ESP2014-53672-C3-1-P. A.R., P.O, and A.J. were supported by Polish NSC grants: 2015/17/B/ST9/03422 and 2015/18/M/ST9/00541. GR, ER, YN, and PJ acknowledges support by FNRS and Prodex (Belspo). This work was supported by the French Space Agency (CNES). The X-IFU will be provided by an international consortium led by France, The Netherlands and Italy, with further ESA member state contributions from Belgium, Finland, Germany, Poland, Spain, Switzerland and two international partners from the United States and Japan: et al. Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States. Peer reviewed
Universiteit van Ams... arrow_drop_down Universiteit van Amsterdam (UvA) Institutional Repository UvA-DARE; Archivio istituzionale della ricerca - Università di Palermo; Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . Conference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTAConference object . 2018 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTAConference object . 2016 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2021 . 2016 . Peer-reviewedHELDA - Digital Repository of the University of HelsinkiConference object . 2018 . Peer-reviewedData sources: HELDA - Digital Repository of the University of HelsinkiArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2018OA@INAF - Istituto Nazionale di AstrofisicaConference object . 2016Data sources: OA@INAF - Istituto Nazionale di AstrofisicaArchivio istituzionale della ricerca - Università di Palermo; University of Groningen Research Portal; Archivio istituzionale della ricerca - Università di Genova; NARCISArticle . Part of book or chapter of book . Conference object . 2016 . Peer-reviewedArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2016Universiteit van Amsterdam (UvA) Institutional Repository UvA-DAREConference object . 2016Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2018Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2016Mémoires en Sciences de l'Information et de la Communication; HAL-CEAConference object . 2016https://doi.org/10.48550/arxiv...Article . 2016License: arXiv Non-Exclusive DistributionData sources: DataciteHAL Descartes; HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 218 citations 218 popularity Top 1% influence Top 1% impulse Top 1% Powered by BIP!visibility 28visibility views 28 download downloads 103 Powered bymore_vert Universiteit van Ams... arrow_drop_down Universiteit van Amsterdam (UvA) Institutional Repository UvA-DARE; Archivio istituzionale della ricerca - Università di Palermo; Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . Conference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTAConference object . 2018 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTAConference object . 2016 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2021 . 2016 . Peer-reviewedHELDA - Digital Repository of the University of HelsinkiConference object . 2018 . Peer-reviewedData sources: HELDA - Digital Repository of the University of HelsinkiArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2018OA@INAF - Istituto Nazionale di AstrofisicaConference object . 2016Data sources: OA@INAF - Istituto Nazionale di AstrofisicaArchivio istituzionale della ricerca - Università di Palermo; University of Groningen Research Portal; Archivio istituzionale della ricerca - Università di Genova; NARCISArticle . Part of book or chapter of book . Conference object . 2016 . Peer-reviewedArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2016Universiteit van Amsterdam (UvA) Institutional Repository UvA-DAREConference object . 2016Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2018Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2016Mémoires en Sciences de l'Information et de la Communication; HAL-CEAConference object . 2016https://doi.org/10.48550/arxiv...Article . 2016License: arXiv Non-Exclusive DistributionData sources: DataciteHAL Descartes; HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Research , Other literature type , Article 2013 Netherlands, BelgiumPublisher:Elsevier BV Authors: Karima Kourtit; Cathy Macharis; Peter Nijkamp;Karima Kourtit; Cathy Macharis; Peter Nijkamp;This discussion paper led to an article in Applied Geography (2014). Volume 49(SI), pages 24-36. The strong world-wide urbanisation trend calls for a repositioning of cities, especially the large cities with a global impact. These cities tend to become economic, logistic and political powerhouses and are increasingly involved in a competition on their integral performance. The present paper aims to trace to what extent and why some cities outperform others. Starting from an extensive database on many important characteristics of global cities, this paper offers a multi-criteria methodology for identifying the relative position of various important cities on the basis of distinct assessment criteria. The explicit consideration of the perceptions of important classes of stakeholders on the performance outcomes of the various cities involved allows for a enhanced policy analysis. From a technical assessment perspective, the applied part of the paper employs the MAMCA and PROMETHEE multi-criteria methodology, which have proven their analytical power in various mu lti-criteria evaluation problems over the past years. The paper concludes with some policy perspectives and lessons.
Applied Geography; N... arrow_drop_down Applied Geography; NARCIS; Research Papers in Economics; SSRN Electronic JournalArticle . Preprint . Research . 2013Full-Text: http://papers.tinbergen.nl/13108.pdfVrije Universiteit Brussel Research PortalOther literature type . 2014Data sources: Vrije Universiteit Brussel Research PortalApplied GeographyArticle . 2014 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 48 citations 48 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Applied Geography; N... arrow_drop_down Applied Geography; NARCIS; Research Papers in Economics; SSRN Electronic JournalArticle . Preprint . Research . 2013Full-Text: http://papers.tinbergen.nl/13108.pdfVrije Universiteit Brussel Research PortalOther literature type . 2014Data sources: Vrije Universiteit Brussel Research PortalApplied GeographyArticle . 2014 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.2305943&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint , Conference object 2018 NetherlandsPublisher:IEEE Funded by:EC | SEDAL, SNSF | Multimodal machine learni...EC| SEDAL ,SNSF| Multimodal machine learning for remote sensing information fusionAuthors: Tuia, Devis; Kellenberger, Benjamin; Perez-suey, Adrian; Camps-valls, Gustau;Tuia, Devis; Kellenberger, Benjamin; Perez-suey, Adrian; Camps-valls, Gustau;We present a deep learning model with temporal memory to detect clouds in image time series acquired by the Seviri imager mounted on the Meteosat Second Generation (MSG) satellite. The model provides pixel-level cloud maps with related confidence and propagates information in time via a recurrent neural network structure. With a single model, we are able to outline clouds along all year and during day and night with high accuracy.
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Conference object . 2018Full-Text: https://edepot.wur.nl/467720NARCISOther literature type . Conference object . 2018 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/igarss.2018.8517312&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 4 citations 4 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Conference object . 2018Full-Text: https://edepot.wur.nl/467720NARCISOther literature type . Conference object . 2018 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/igarss.2018.8517312&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article 2012 NetherlandsPublisher:Copernicus GmbH Salama, M.S.; van de Velde, R.J.; van der Woerd, H.J.; Kromkamp, J.C.; Phililppart, C.J.M.; Joseph, A.T.; O'Neill, P.E.; Lang, R.H.; Gish, T.; Werdell, P.J.; Su, Z.;Abstract. We present a method to calibrate and validate observational models that interrelate remotely sensed energy fluxes to geophysical variables of land and water surfaces. Coincident sets of remote sensing observation of visible and microwave radiations and geophysical data are assembled and subdivided into calibration (Cal) and validation (Val) data sets. Each Cal/Val pair is used to derive the coefficients (from the Cal set) and the accuracy (from the Val set) of the observation model. Combining the results from all Cal/Val pairs provides probability distributions of the model coefficients and model errors. The method is generic and demonstrated using comprehensive matchup sets from two very different disciplines, soil moisture and water quality. The results demonstrate that the method provides robust model coefficients and quantitative measure of the model uncertainty. This approach can be adopted for the calibration/validation of satellite products of land and water surfaces and the resulting uncertainty can be used as input to data assimilation schemes.
Biogeosciences; NARC... arrow_drop_down Biogeosciences; NARCISArticle . 2012BiogeosciencesArticle . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/bgd-9-311-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 12 citations 12 popularity Average influence Average impulse Average Powered by BIP!more_vert Biogeosciences; NARC... arrow_drop_down Biogeosciences; NARCISArticle . 2012BiogeosciencesArticle . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/bgd-9-311-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Preprint 2022Embargo end date: 01 Jan 2022 NetherlandsPublisher:arXiv Funded by:EC | DRAGONEC| DRAGONAuthors: Pylianidis, C.; Athanasiadis, I.N.;Pylianidis, C.; Athanasiadis, I.N.;Learning latent representations has aided operational decision-making in several disciplines. Its advantages include uncovering hidden interactions in data and automating procedures which were performed manually in the past. Representation learning is also being adopted by earth and environmental sciences. However, there are still subfields that depend on manual feature engineering based on expert knowledge and the use of algorithms which do not utilize the latent space. Relying on those techniques can inhibit operational decision-making since they impose data constraints and inhibit automation. In this work, we adopt a case study for nitrogen response rate prediction and examine if representation learning can be used for operational use. We compare a Multilayer Perceptron, an Autoencoder, and a dual-head Autoencoder with a reference Random Forest model for nitrogen response rate prediction. To bring the predictions closer to an operational setting we assume absence of future weather data, and we are evaluating the models using error metrics and a domain-derived error threshold. The results show that learning latent representations can provide operational nitrogen response rate predictions by offering performance equal and sometimes better than the reference model. Comment: Appeared at the AI for Earth Sciences workshop at @ICLR2022, April 29, 2022. https://ai4earthscience.github.io/iclr-2022-workshop/
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WURConference object . 2022License: CC BY NC NDFull-Text: https://edepot.wur.nl/570365Research@WUR; NARCISOther literature type . Article . Conference object . 2022License: CC BY NC NDadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.48550/arxiv.2205.09025&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WURConference object . 2022License: CC BY NC NDFull-Text: https://edepot.wur.nl/570365Research@WUR; NARCISOther literature type . Article . Conference object . 2022License: CC BY NC NDadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.48550/arxiv.2205.09025&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint 2005 Netherlands, Croatia, Netherlands, United Kingdom, Netherlands, Italy, France, Netherlands, Netherlands, Netherlands, Germany, Netherlands, Netherlands, NetherlandsPublisher:EDP Sciences Funded by:EC | LOFAR-AUGER, EC | LODESTONE, ANR | OPALES +1 projectsEC| LOFAR-AUGER ,EC| LODESTONE ,ANR| OPALES ,NWO| A new, concentric, contra-rotating propeller dronevan Haarlem, M. P.; Wise, M. W.; Gunst, A. W.; Heald, G.; McKean, J. P.; Hessels, J. W. T.; de Bruyn, A. G.; Nijboer, R.; Swinbank, J.; Fallows, R.; Brentjens, M.; Nelles, A.; Beck, R.; Falcke, H.; Fender, R.; Hörandel, J.; Koopmans, L. V. E.; Mann, G.; Miley, G.; Röttgering, H.; Stappers, B. W.; Wijers, R. A. M. J.; Zaroubi, S.; van den Akker, M.; Alexov, A.; Anderson, J.; Anderson, K.; van Ardenne, A.; Arts, M.; Asgekar, A.; Avruch, I. M.; Batejat, F.; Bähren, L.; Bell, M. E.; Bell, M. R.; van Bemmel, I.; Bennema, P.; Bentum, M. J.; Bernardi, G.; Best, P.; Bîrzan, L.; Bonafede, A.; Boonstra, A.-J.; Braun, R.; Bregman, J.; Breitling, F.; van de Brink, R. H.; Broderick, J.; Broekema, P. C.; Brouw, W. N.; Brüggen, M.; Butcher, H. R.; van Cappellen, W.; Ciardi, B.; Coenen, T.; Conway, J.; Coolen, A.; Corstanje, A.; Damstra, S.; Davies, O.; Deller, A. T.; Dettmar, R.-J.; van Diepen, G.; Dijkstra, K.; Donker, P.; Doorduin, A.; Dromer, J.; Drost, M.; van Duin, A.; Eislöffel, J.; van Enst, J.; Ferrari, C.; Frieswijk, W.; Gankema, H.; Garrett, M. A.; de Gasperin, F.; Gerbers, M.; de Geus, E.; Grießmeier, J.-M.; Grit, T.; Gruppen, P.; Hamaker, J. P.; Hassall, T.; Hoeft, M.; Holties, H. A.; Horneffer, A.; van der Horst, A.; van Houwelingen, A.; Huijgen, A.; Iacobelli, M.; Intema, H.; Jackson, N.; Jelic, V.; de Jong, A.; Juette, E.; Kant, D.; Karastergiou, A.; Koers, A.; Kollen, H.; Kondratiev, V. I.; Kooistra, E.; Koopman, Y.; Koster, A.; Kuniyoshi, M.; Kramer, M.; Kuper, G.; Lambropoulos, P.; Law, C.; van Leeuwen, J.; Lemaitre, J.; Loose, M.; Maat, P.; Macario, G.; Markoff, S.; Masters, J.; McFadden, R. A.; McKay-Bukowski, D.; Meijering, H.; Meulman, H.; Mevius, M.; Middelberg, E.; Millenaar, R.; Miller-Jones, J. C. A.; Mohan, R. N.; Mol, J. D.; Morawietz, J.; Morganti, R.; Mulcahy, D. D.; Mulder, E.; Munk, H.; Nieuwenhuis, L.; van Nieuwpoort, R.; Noordam, J. E.; Norden, M.; Noutsos, A.; Offringa, A. R.; Olofsson, H.; Omar, A.; Orrú, E.; Overeem, R.; Paas, H.; Pandey-Pommier, M.; Pandey, V. N.; Pizzo, R.; Polatidis, A.; Rafferty, D.; Rawlings, S.; Reich, W.; de Reijer, J.-P.; Reitsma, J.; Renting, G. A.; Riemers, P.; Rol, E.; Romein, J. W.; Roosjen, J.; Ruiter, M.; Scaife, A.; van der Schaaf, K.; Scheers, B.; Schellart, P.; Schoenmakers, A.; Schoonderbeek, G.; Serylak, M.; Shulevski, A.; Sluman, J.; Smirnov, O.; Sobey, C.; Spreeuw, H.; Steinmetz, M.; Sterks, C. G. M.; Stiepel, H.-J.; Stuurwold, K.; Tagger, M.; Tang, Y.; Tasse, C.; Thomas, I.; Thoudam, S.; Toribio, M. C.; van der Tol, B.; Usov, O.; van Veelen, M.; van der Veen, A.-J.; ter Veen, S.; Verbiest, Joris; Vermeulen, R.; Vermaas, N.; Vocks, C.; Vogt, C.; de Vos, M.; van der Wal, E.; van Weeren, R.; Weggemans, H.; Weltevrede, P.; White, S.; Wijnholds, S. J.; Wilhelmsson, T.; Wucknitz, O.; Yatawatta, S.; Zarka, P.; Zensus, A.;LOFAR, the LOw-Frequency ARray, is a new-generation radio interferometer constructed in the north of the Netherlands and across europe. Utilizing a novel phased-array design, LOFAR covers the largely unexplored low-frequency range from 10-240 MHz and provides a number of unique observing capabilities. Spreading out from a core located near the village of Exloo in the northeast of the Netherlands, a total of 40 LOFAR stations are nearing completion. A further five stations have been deployed throughout Germany, and one station has been built in each of France, Sweden, and the UK. Digital beam-forming techniques make the LOFAR system agile and allow for rapid repointing of the telescope as well as the potential for multiple simultaneous observations. With its dense core array and long interferometric baselines, LOFAR achieves unparalleled sensitivity and angular resolution in the low-frequency radio regime. The LOFAR facilities are jointly operated by the International LOFAR Telescope (ILT) foundation, as an observatory open to the global astronomical community. LOFAR is one of the first radio observatories to feature automated processing pipelines to deliver fully calibrated science products to its user community. LOFAR's new capabilities, techniques and modus operandi make it an important pathfinder for the Square Kilometre Array (SKA). We give an overview of the LOFAR instrument, its major hardware and software components, and the core science objectives that have driven its design. In addition, we present a selection of new results from the commissioning phase of this new radio observatory. 56 pages, 34 figures, accepted for publication by A&A
NARCIS; Astronomy an... arrow_drop_down NARCIS; Astronomy and AstrophysicsArticle . 2013Radboud Repository; Astronomy and AstrophysicsArticle . 2013Astronomy and AstrophysicsArticle . 2013Oxford University Research Archive; Astronomy and Astrophysics; NARCISOther literature type . Article . 2013 . 2016 . Peer-reviewedNARCIS; Astronomy and AstrophysicsArticle . 2013LUMC Scholarly Publications; Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2013Publications at Bielefeld UniversityOther literature type . 2013License: "In Copyright" Rights StatementData sources: Publications at Bielefeld UniversityCroatian Scientific Bibliography - CROSBIOther literature type . 2013Data sources: Croatian Scientific Bibliography - CROSBIHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2013https://doi.org/10.48550/arxiv...Article . 2013License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/eas:2005169&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 2K citations 1,792 popularity Top 0.01% influence Top 0.1% impulse Average Powered by BIP!more_vert NARCIS; Astronomy an... arrow_drop_down NARCIS; Astronomy and AstrophysicsArticle . 2013Radboud Repository; Astronomy and AstrophysicsArticle . 2013Astronomy and AstrophysicsArticle . 2013Oxford University Research Archive; Astronomy and Astrophysics; NARCISOther literature type . Article . 2013 . 2016 . Peer-reviewedNARCIS; Astronomy and AstrophysicsArticle . 2013LUMC Scholarly Publications; Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2013Publications at Bielefeld UniversityOther literature type . 2013License: "In Copyright" Rights StatementData sources: Publications at Bielefeld UniversityCroatian Scientific Bibliography - CROSBIOther literature type . 2013Data sources: Croatian Scientific Bibliography - CROSBIHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2013https://doi.org/10.48550/arxiv...Article . 2013License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/eas:2005169&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2021 Spain, Netherlands, United KingdomPublisher:EDP Sciences Funded by:UKRI | Gaia CU9 2019-2024 (Edinb...UKRI| Gaia CU9 2019-2024 (Edinburgh element)Rowell, N.; Davidson, M.; Lindegren, L.; Leeuwen, F. van; Castañeda, J.; Fabricius, C.; Bastian, U.; Hambly, N.C.; Hernández, J.; Bombrun, A.; Evans, D.W.; De Angeli, F.; Riello, M.; Busonero, D.; Crowley, C.; Mora, A.; Lammers, U.; Gracia, G.; Portell, J.; Biermann, M.; Brown, A.G.A.;[Context] The unprecedented astrometric precision of the Gaia mission relies on accurate estimates of the locations of sources in the Gaia data stream. This is ultimately performed by point spread function (PSF) fitting, which in turn requires an accurate reconstruction of the PSF, including calibrations of all the major dependences. These include a strong colour dependence due to Gaia's broad G band and a strong time dependence due to the evolving contamination levels and instrument focus. Accurate PSF reconstruction is also important for photometry. Gaia Early Data Release 3 (EDR3) will, for the first time, use a PSF calibration that models several of the strongest dependences, leading to signficantly reduced systematic errors. [Aims] We describe the PSF model and calibration pipeline implemented for Gaia EDR3, including an analysis of the calibration results over the 34 months of data. We include a discussion of the limitations of the current pipeline and directions for future releases. This will be of use both to users of Gaia data and as a reference for other precision astrometry missions. [Methods] We develop models of the 1D line spread function (LSF) and 2D PSF profiles based on a linear combination of basis components. These are designed for flexibility and performance, as well as to meet several mathematical criteria such as normalisation. We fit the models to selected primary sources in independent time ranges, using simple parameterisations for the colour and other dependences. Variation in time is smoothed by merging the independent calibrations in a square root information filter, with resets at certain mission events that induce a discontinuous change in the PSF. [Results] The PSF calibration shows strong time and colour dependences that accurately reproduce the varying state of the Gaia astrometric instrument. Analysis of the residuals reveals both the performance and the limitations of the current models and calibration pipeline, and indicates the directions for future development. [Conclusions] The PSF modelling and calibration carried out for Gaia EDR3 represents a major step forwards in the data processing and will lead to reduced systematic errors in the core mission data products. Further significant improvements are expected in the future data releases. The work described in this paper has been financially supported by the United Kingdom Particle Physics and Astronomy Research Council (PPARC), the United Kingdom Science and Technology Facilities Council (STFC), and the United Kingdom Space Agency (UKSA) through the following grants to the University of Bristol, the University of Cambridge, the University of Edinburgh, the University of Leicester, the Mullard Space Sciences Laboratory of University College London, and the United Kingdom Rutherford Appleton Laboratory (RAL): PP/D006511/1, PP/D006546/1, PP/D006570/1, ST/I000852/1, ST/J005045/1, ST/K00056X/1, ST/K000209/1, ST/K000756/1, ST/L006561/1, ST/N000595/1, ST/N000641/1, ST/N000978/1, ST/N001117/1, ST/S000089/1, ST/S000976/1, ST/S001123/1, ST/S001948/1, ST/S002103/1, and ST/V000969/1; the Spanish Ministry of Economy (MINECO/FEDER, UE) through grants ESP2016-80079-C2-1-R, RTI2018-095076-B-C21 and the Institute of Cosmos Sciences University of Barcelona (ICCUB, Unidad de Excelencia “María de Maeztu”) through grants MDM-2014-0369 and CEX2019-000918-M; the German Aerospace Agency (Deutsches Zentrum für Luft- und Raumfahrt e.V., DLR) through grants 50QG0501, 50QG0601, 50QG0602, 50QG0701, 50QG0901, 50QG1001, 50QG1101, 50QG1401, 50QG1402, 50QG1403, and 50QG1404 and the Centre for Information Services and High Performance Computing (ZIH) at the Technische Universität (TU) Dresden for generous allocations of computer time; the Agenzia Spaziale Italiana (ASI) through contracts I/037/08/0, I/058/10/0, 2014-025-R.0, 2014-025-R.1.2015 and 2018-24-HH.0 to the Italian Istituto Nazionale di Astrofisica; and the Swedish National Space Board (SNSB/Rymdstyrelsen). A.B. additionally acknowledges financial support from the Netherlands Research School for Astronomy (NOVA). Rowell, N., et al.
NARCIS arrow_drop_down Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2021Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2022Astronomy and AstrophysicsArticle . 2021 . Peer-reviewedLicense: EDP Sciences Copyright and Publication Licensing PolicyData sources: Crossrefhttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 33 citations 33 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 11visibility views 11 download downloads 23 Powered bymore_vert NARCIS arrow_drop_down Leiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2021Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2022Astronomy and AstrophysicsArticle . 2021 . Peer-reviewedLicense: EDP Sciences Copyright and Publication Licensing PolicyData sources: Crossrefhttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Preprint 2012 United Kingdom, NetherlandsPublisher:SPIE de Jong, R. S.; Bellido-Tirado, Olga; Chiappini, Cristina; Depagne, Éric; Haynes, Roger; Johl, Diana; Schnurr, Olivier; Schwope, Axel D.; Walcher, Jakob; Dionies, Frank; Haynes, Dionne; Kelz, Andreas; Kitaura, Francisco S.; Lamer, Georg; Minchev, Ivan; Müller, Volker; Nuza, Sebastián E.; Olaya, Jean-Christophe; Piffl, Tilmann; Popow, Emil; Steinmetz, Matthias; Ural, Ugur; Williams, Mary; Winkler, Roland; Wisotzki, Lutz; Ansorge, Wolfgang R.; Banerji, Manda; Gonzalez Solares, Eduardo; Irwin, Michael J.; Kennicutt, Robert C., Jr.; King, Dave; Mcmahon, Richard G.; Koposov, Sergey E.; Parry, Ian R.; Sun, David; Walton, Nicholas A.; Finger, Gert; Iwert, Olaf; Krumpe, Mirko; Lizon, Jean-Louis; Vincenzo, Mainieri; Amans, Jean-Philippe; Bonifacio, Piercarlo; Cohen, Mathieu; François, Patrick; Jagourel, Pascal; Mignot, Shan; Royer, Frédéric; Sartoretti, Paola; Bender, Ralf; Grupp, Frank; Hess, Hans-Joachim; Lang-Bardl, Florian; Muschielok, Bernard; Böhringer, Hans; Boller, Thomas; Bongiorno, Angela; Brusa, Marcella; Dwelly, Tom; Merloni, Andrea; Nandra, Kirpal; Salvato, Mara; Pragt, Johan H.; Navarro, Ramón; Gerlofsma, Gerrit; Roelfsema, P. R.; Dalton, Gavin B.; Middleton, Kevin F.; Tosh, Ian A.; Boeche, Corrado; Caffau, Elisabetta; Christlieb, Norbert; Grebel, Eva K.; Hansen, Camilla; Koch, Andreas; Ludwig, Hans-Günter; Quirrenbach, Andreas; Sbordone, Luca; Seifert, Walter; Thimm, Guido; Trifonov, Trifon; Helmi, Amina; Trager, Scott C.; Feltzing, Sofia; Korn, Andreas; Boland, Wilfried;The 4MOST consortium is currently halfway through a Conceptual Design study for ESO with the aim to develop a wide-field (>3 square degree, goal >5 square degree), high-multiplex (>1500 fibres, goal 3000 fibres) spectroscopic survey facility for an ESO 4m-class telescope (VISTA). 4MOST will run permanently on the telescope to perform a 5 year public survey yielding more than 20 million spectra at resolution R~5000 (��=390-1000 nm) and more than 2 million spectra at R~20,000 (395-456.5 nm & 587-673 nm). The 4MOST design is especially intended to complement three key all-sky, space-based observatories of prime European interest: Gaia, eROSITA and Euclid. Initial design and performance estimates for the wide-field corrector concepts are presented. We consider two fibre positioner concepts, a well-known Phi-Theta system and a new R-Theta concept with a large patrol area. The spectrographs are fixed configuration two-arm spectrographs, with dedicated spectrographs for the high- and low-resolution. A full facility simulator is being developed to guide trade-off decisions regarding the optimal field-of-view, number of fibres needed, and the relative fraction of high-to-low resolution fibres. Mock catalogues with template spectra from seven Design Reference Surveys are simulated to verify the science requirements of 4MOST. The 4MOST consortium aims to deliver the full 4MOST facility by the end of 2018 and start delivering high-level data products for both consortium and ESO community targets a year later with yearly increments. To appear in the proceedings of the SPIE Astronomical Instrumentation + Telescopes conference, Amsterdam, 2012. 15 pages, 16 figures
Oxford University Re... arrow_drop_down Oxford University Research Archive; University of Groningen Research Portal; NARCISOther literature type . Conference object . 2012 . 2016 . Peer-reviewedhttps://doi.org/10.48550/arxiv...Article . 2012License: arXiv Non-Exclusive DistributionData sources: DataciteMémoires en Sciences de l'Information et de la CommunicationConference object . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 144 citations 144 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 1visibility views 1 Powered bymore_vert Oxford University Re... arrow_drop_down Oxford University Research Archive; University of Groningen Research Portal; NARCISOther literature type . Conference object . 2012 . 2016 . Peer-reviewedhttps://doi.org/10.48550/arxiv...Article . 2012License: arXiv Non-Exclusive DistributionData sources: DataciteMémoires en Sciences de l'Information et de la CommunicationConference object . 2012add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021 Netherlands, Germany, Spain, Netherlands, Netherlands, Finland, Austria, Netherlands, Netherlands, Portugal, NetherlandsPublisher:Research Square Platform LLC Funded by:EC | SOS.aquaterra, ARC | ARC Future Fellowships - ..., ARC | Discovery Early Career Re...EC| SOS.aquaterra ,ARC| ARC Future Fellowships - Grant ID: FT200100381 ,ARC| Discovery Early Career Researcher Award - Grant ID: DE210100606Chrysafi, Anna; Virkki, Vili; Jalava, Mika; Sandström, Vilma; Piipponen, Johannes; Porkka, Miina; Lade, Steven J.; La Mere, Kelsey; Wang-Erlandsson, Lan; Scherer, Laura; Andersen, Lauren S.; Bennett, Elena; Brauman, Kate A.; Cooper, Gregory S.; De Palma, Adriana; Döll, Petra; Downing, Andrea S.; DuBois, Timothy C.; Fetzer, Ingo; Fulton, Elizabeth A.; Gerten, Dieter; Jaafar, Hadi; Jägermeyr, Jonas; Jaramillo, Fernando; Jung, Martin; Kahiluoto, Helena; Lassaletta, Luis; Mackay, Anson W.; Mason-D’Croz, Daniel; Mekonnen, Mesfin M.; Nash, Kirsty L.; Pastor, Amandine V.; Ramankutty, Navin; Ridoutt, Brad; Siebert, Stefan; Simmons, Benno I.; Staal, Arie; Sun, Zhongxiao; Tobian, Arne; Usubiaga-Liaño, Arkaitz; van der Ent, Ruud J.; van Soesbergen, Arnout; Verburg, Peter H.; Wada, Yoshihide; Zipper, Sam; Kummu, Matti; Spatial Ecology and Global Change; Environmental Sciences;handle: 1887/3505125 , 10810/61701 , 10451/55924 , 1874/426293
This study was funded by the European Research Council under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 819202), Aalto University School of Engineering Doctoral Programme, Maa- ja vesitekniikan tuki ry and the Academy of Finland-funded project TREFORM (grant no. 339834). M.P. was supported by the Erling Persson Family Foundation. B.I.S. is supported by a Royal Commission for the Exhibition of 1851 Research Fellowship. L.W.-E, A.T., I.F, L.S.A. and T.D. acknowledge financial support from the European 1225 Research Council through the ‘Earth Resilience in the Anthropocene’ project (no. ERC-2016-1226 ADG 743080). K.L.N. was supported by Australian Research Council funding (DE210100606). A.U.-L. was supported by María de Maeztu excellence accreditation 2018–2022 (ref. MDM-2017-0714), funded by MCIN/AEI/10.13039/501100011033/ and by the Basque Government through the BERC 2022-2025 programme. J.J. was supported by the NASA GISS Climate Impacts Group and the Open Philanthropy Project. Z.S. was supported by Chinese Universities Scientific Fund (2022TC098). L.L. is supported by the Spanish Ministry of Economy and Competitiveness (MINECO) and European Commission ERDF Ramón y Cajal grant (RYC-2016-20269) and Programa Propio from the Universidad Politécnica de Madrid. S.J.L. is the recipient of an Australian Research Council Future Fellowship (project no. FT200100381) funded by the Australian Government. We would like to thank members of the Water and Development group for testing an earlier version of the elicitation web application and A. Fallon for language checking of the manuscript. A.S. was supported by the Dutch Research Council (NWO) Talent Program Grant VI.Veni.202.170. Several safe boundaries of critical Earth system processes have already been crossed due to human perturbations; not accounting for their interactions may further narrow the safe operating space for humanity. Using expert knowledge elicitation, we explored interactions among seven variables representing Earth system processes relevant to food production, identifying many interactions little explored in Earth system literature. We found that green water and land system change affect other Earth system processes strongly, while land, freshwater and ocean components of biosphere integrity are the most impacted by other Earth system processes, most notably blue water and biogeochemical flows. We also mapped a complex network of mechanisms mediating these interactions and created a future research prioritization scheme based on interaction strengths and existing knowledge gaps. Our study improves the understanding of Earth system interactions, with sustainability implications including improved Earth system modelling and more explicit biophysical limits for future food production. © 2022, The Author(s).
IIASA PURE arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2022License: CC BYFull-Text: https://edepot.wur.nl/577550NARCIS; TU Delft RepositoryArticle . 2022NARCIS; Utrecht University RepositoryArticle . 2022Trepo - Institutional Repository of Tampere UniversityArticle . 2022 . Peer-reviewedData sources: Trepo - Institutional Repository of Tampere UniversityGöttingen Research Online PublicationsArticle . 2022Data sources: Göttingen Research Online PublicationsLeiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2022License: CC BYAaltodoc Publication ArchiveArticle . 2022 . Peer-reviewedData sources: Aaltodoc Publication ArchiveUniversidade de Lisboa: Repositório.ULOther literature type . 2022License: CC BYData sources: Universidade de Lisboa: Repositório.ULMémoires en Sciences de l'Information et de la CommunicationArticle . 2022License: CC BYFull-Text: https://hal.inrae.fr/hal-03763821/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routeshybrid 11 citations 11 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert IIASA PURE arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2022License: CC BYFull-Text: https://edepot.wur.nl/577550NARCIS; TU Delft RepositoryArticle . 2022NARCIS; Utrecht University RepositoryArticle . 2022Trepo - Institutional Repository of Tampere UniversityArticle . 2022 . Peer-reviewedData sources: Trepo - Institutional Repository of Tampere UniversityGöttingen Research Online PublicationsArticle . 2022Data sources: Göttingen Research Online PublicationsLeiden University Scholarly Publications Repository; NARCISOther literature type . Article . 2022License: CC BYAaltodoc Publication ArchiveArticle . 2022 . Peer-reviewedData sources: Aaltodoc Publication ArchiveUniversidade de Lisboa: Repositório.ULOther literature type . 2022License: CC BYData sources: Universidade de Lisboa: Repositório.ULMémoires en Sciences de l'Information et de la CommunicationArticle . 2022License: CC BYFull-Text: https://hal.inrae.fr/hal-03763821/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint 2020 NetherlandsPublisher:Authorea, Inc. Kevin K. Beentjes; S. Henrik Barmentlo; Ellen Cieraad; Menno Schilthuizen; Berry B. van der Hoorn; Arjen G. C. L. Speksnijder; Krijn B. Trimbos;pmid: 34908199
pmc: PMC9306904
AbstractFreshwater habitats are under stress from agricultural land use, most notably the influx of neonicotinoid pesticides and increased nutrient pressure from fertilizer. Traditional studies investigating the effects of stressors on freshwater systems are often limited to a narrow range of taxa, depending heavily on morphological expertise. Additionally, disentanglement of multiple simultaneous stressors can be difficult in field studies, whereas controlled laboratory conditions do not accurately reflect natural conditions and food webs. To overcome these drawbacks, we investigated the impacts of two agricultural stressors (the neonicotinoid insecticide thiacloprid and fertilizer) in full‐factorial design in a semi‐natural research site, using environmental DNA sampling to study three different taxonomic groups representing three trophic levels: bacteria (decomposers), phytoplankton (primary producers), and chironomids (consumers). The results show considerable impact of both stressors across trophic levels, with an additive effect of fertilizer and thiacloprid on community composition at all levels. These findings suggest that agricultural stressors affect the entire food web, either directly or through cascade reactions. They are also consistent with morphological assessments that were performed in the same study site, even at a lower number of replicates. The study presented shows that the use of multimarker environmental DNA provides a more comprehensive assessment of stressor impacts across multiple trophic levels, at a higher taxonomic resolution than traditional surveys. Additionally, many putative novel bioindicators for both agricultural stressors were discovered. We encourage further investigations into stressors impacts at different trophic levels, which will lead to more effective monitoring and management of freshwater systems.
NARCIS arrow_drop_down Leiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BY NCData sources: Leiden University Scholarly Publications Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22541/au.159236833.30909538&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 3 citations 3 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert NARCIS arrow_drop_down Leiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BY NCData sources: Leiden University Scholarly Publications Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.22541/au.159236833.30909538&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Part of book or chapter of book , Article , Preprint 2016 Netherlands, Netherlands, Netherlands, Finland, Spain, Italy, Netherlands, Italy, France, Italy, NetherlandsPublisher:SPIE Barret, Didier; Thien Lam Trong; den Herder, Jan-Willem; Piro, Luigi; Cappi, Massimo; Huovelin, Juhani; Kelley, Richard; Mas-Hesse, J. Miguel; Mitsuda, Kazuhisa; Paltani, Stephane; Rauw, Gregor; Rozanska, Agata; Wilms, Joern; Bandler, Simon; Barbera, Marco; Barcons, Xavier; Bozzo, Enrico; Ceballos, Maria Teresa; Charles, Ivan; Costantini, Elisa; Decourchelle, Anne; den Hartog, Roland; Duband, Lionel; Duval, Jean-Marc; Fiore, Fabrizio; Gatti, Flavio; Goldwurm, Andrea; Jackson, Brian; Jonker, Peter; Kilbourne, Caroline; Macculi, Claudio; Mendez, Mariano; Molendi, Silvano; Orleanski, Piotr; Pajot, Francois; Pointecouteau, Etienne; Porter, Frederick; Pratt, Gabriel W.; Prele, Damien; Ravera, Laurent; Sato, Kosuke; Schaye, Joop; Shinozaki, Keisuke; Thibert, Tanguy; Valenziano, Luca; Valette, Veronique; Vink, Jacco; Webb, Natalie; Wise, Michael; Yamasaki, Noriko; Delcelier-Douchin, Francoise; Mesnager, Jean-Michel; Pontet, Bernard; Pradines, Alice; Branduardi-Raymont, Graziella; Bulbul, Esra; Dadina, Mauro; Ettori, Stefano; Finoguenov, Alexis; Fukazawa, Yasushi; Janiuk, Agnieszka; Kaastra, Jelle; Mazzotta, Pasquale; Miller, Jon; Miniutti, Giovanni; Naze, Yael; Nicastro, Fabrizio; Sciortino, Salvatore; Simionescu, Aurora; Torrejon, Jose Miguel; Geoffray, Herve; Peille, Philippe; Aicardi, Corinne; Andre, Jerome; Garrido, Gonzalo Campos; Clenet, Antoine; Daniel, Christophe; Etcheverry, Christophe; Frezouls, Benot; Gloaguen, Emilie; Hervet, Gilles; Jolly, Antoine; Ledot, Aurelien; Maussang, Irwin; Paillet, Alexis; Schmisser, Roseline; Travert, Jean-Michel; Vella, Bruno; Damery, Jean-Charles; Boyce, Kevin; DiPirro, Michael; Lotti, Simone; Schwander, Denis; Smith, Stephen; van Leeuwen, Bert-Joost; van Weers, Henk; Clerc, Nicolas; Cobo, Beatriz; Dauser, Thomas; de Plaa, Jelle; Kirsch, Christian; Cucchetti, Edoardo; Eckart, Megan; Ferrando, Philippe; Natalucci, Lorenzo;The X-ray Integral Field Unit (X-IFU) is the high resolution X-ray spectrometer of the ESA Athena X-ray observatory. Over a field of view of 5’ equivalent diameter, it will deliver X-ray spectra from 0.2 to 12 keV with a spectral resolution of 2.5 eV up to 7 keV on ∼ 5” pixels. The X-IFU is based on a large format array of super-conducting molybdenum-gold Transition Edge Sensors cooled at ∼ 90 mK, each coupled with an absorber made of gold and bismuth with a pitch of 249 μm. A cryogenic anti-coincidence detector located underneath the prime TES array enables the non X-ray background to be reduced. A bath temperature of ∼ 50 mK is obtained by a series of mechanical coolers combining 15K Pulse Tubes, 4K and 2K Joule-Thomson coolers which pre-cool a sub Kelvin cooler made of a 3He sorption cooler coupled with an Adiabatic Demagnetization Refrigerator. Frequency domain multiplexing enables to read out 40 pixels in one single channel. A photon interacting with an absorber leads to a current pulse, amplified by the readout electronics and whose shape is reconstructed on board to recover its energy with high accuracy. The defocusing capability offered by the Athena movable mirror assembly enables the X-IFU to observe the brightest X-ray sources of the sky (up to Crab-like intensities) by spreading the telescope point spread function over hundreds of pixels. Thus the X-IFU delivers low pile-up, high throughput (< 50%), and typically 10 eV spectral resolution at 1 Crab intensities, i.e. a factor of 10 or more better than Silicon based X-ray detectors. In this paper, the current X-IFU baseline is presented, together with an assessment of its anticipated performance in terms of spectral resolution, background, and count rate capability. The X-IFU baseline configuration will be subject to a preliminary requirement review that is scheduled at the end of 2018. We acknowledge support from the Athena Science Study Team, the Athena Working Group Chairs, the Athena Topical Panel Chairs and the Topical Panel members in strengthening the X-IFU top level performance requirements. Particular thanks go to: E. Rasia, V. Biffi, S. Borgani and K. Dolag for providing cosmological hydrodynamic simulations of a cluster used to produce simulation of X-IFU observation presented in Fig. 2; P.T. O'Brien for assistance with Sect. 2.2.1, A.C. Fabian and C. Pinto for providing inputs for Figure 1. We also thank the ESA project team, and in particular Mark Ayre and Ivo Ferreira, for their work on the assessment of the ToO efficiency requirement. The Italian contribution to X-IFU is supported through the ASI contractn. 2015-046-R.0. XB, MTC and BC acknowledge nancial support by MINECO through grant ESP2014-53672-C3-1-P. A.R., P.O, and A.J. were supported by Polish NSC grants: 2015/17/B/ST9/03422 and 2015/18/M/ST9/00541. GR, ER, YN, and PJ acknowledges support by FNRS and Prodex (Belspo). This work was supported by the French Space Agency (CNES). The X-IFU will be provided by an international consortium led by France, The Netherlands and Italy, with further ESA member state contributions from Belgium, Finland, Germany, Poland, Spain, Switzerland and two international partners from the United States and Japan: et al. Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States. Peer reviewed
Universiteit van Ams... arrow_drop_down Universiteit van Amsterdam (UvA) Institutional Repository UvA-DARE; Archivio istituzionale della ricerca - Università di Palermo; Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . Conference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTAConference object . 2018 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTAConference object . 2016 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2021 . 2016 . Peer-reviewedHELDA - Digital Repository of the University of HelsinkiConference object . 2018 . Peer-reviewedData sources: HELDA - Digital Repository of the University of HelsinkiArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2018OA@INAF - Istituto Nazionale di AstrofisicaConference object . 2016Data sources: OA@INAF - Istituto Nazionale di AstrofisicaArchivio istituzionale della ricerca - Università di Palermo; University of Groningen Research Portal; Archivio istituzionale della ricerca - Università di Genova; NARCISArticle . Part of book or chapter of book . Conference object . 2016 . Peer-reviewedArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2016Universiteit van Amsterdam (UvA) Institutional Repository UvA-DAREConference object . 2016Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2018Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2016Mémoires en Sciences de l'Information et de la Communication; HAL-CEAConference object . 2016https://doi.org/10.48550/arxiv...Article . 2016License: arXiv Non-Exclusive DistributionData sources: DataciteHAL Descartes; HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 218 citations 218 popularity Top 1% influence Top 1% impulse Top 1% Powered by BIP!visibility 28visibility views 28 download downloads 103 Powered bymore_vert Universiteit van Ams... arrow_drop_down Universiteit van Amsterdam (UvA) Institutional Repository UvA-DARE; Archivio istituzionale della ricerca - Università di Palermo; Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . Conference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTAConference object . 2018 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTAConference object . 2016 . Peer-reviewedData sources: Recolector de Ciencia Abierta, RECOLECTARecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2018 . Peer-reviewedRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICConference object . 2021 . 2016 . Peer-reviewedHELDA - Digital Repository of the University of HelsinkiConference object . 2018 . Peer-reviewedData sources: HELDA - Digital Repository of the University of HelsinkiArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2018OA@INAF - Istituto Nazionale di AstrofisicaConference object . 2016Data sources: OA@INAF - Istituto Nazionale di AstrofisicaArchivio istituzionale della ricerca - Università di Palermo; University of Groningen Research Portal; Archivio istituzionale della ricerca - Università di Genova; NARCISArticle . Part of book or chapter of book . Conference object . 2016 . Peer-reviewedArchivio istituzionale della ricerca - Università di PalermoPart of book or chapter of book . 2016Universiteit van Amsterdam (UvA) Institutional Repository UvA-DAREConference object . 2016Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2018Archivio istituzionale della ricerca - Università di GenovaPart of book or chapter of book . 2016Mémoires en Sciences de l'Information et de la Communication; HAL-CEAConference object . 2016https://doi.org/10.48550/arxiv...Article . 2016License: arXiv Non-Exclusive DistributionData sources: DataciteHAL Descartes; HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu