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description Publicationkeyboard_double_arrow_right Article , Other literature type , Contribution for newspaper or weekly magazine , Preprint 2021 Switzerland, United States, France, Sweden, Netherlands, France, FrancePublisher:Springer Science and Business Media LLC Funded by:EC | VORTEX, EC | EPICEC| VORTEX ,EC| EPICKevin Wagner; A. Boehle; Prashant Pathak; M. Kasper; Robin Arsenault; Gerd Jakob; U. Käufl; Serban Leveratto; Anne-Lise Maire; Eric Pantin; Ralf Siebenmorgen; Gérard Zins; Olivier Absil; Nancy Ageorges; Daniel Apai; Alexis Carlotti; Elodie Choquet; Christian Delacroix; Kjetil Dohlen; P. Duhoux; Pontus Forsberg; Eloy Fuenteseca; Sven Gutruf; O. Guyon; Elsa Huby; Dirk Kampf; Mikael Karlsson; Pierre Kervella; J. P. Kirchbauer; P. Klupar; Johann Kolb; D. Mawet; Mamadou N'Diaye; G. Orban de Xivry; Sascha P. Quanz; Arnd Reutlinger; Garreth Ruane; M. Riquelme; Christian Soenke; Michael Sterzik; Arthur Vigan; T. de Zeeuw;doi: 10.1038/s41467-021-21176-6 , 10.48550/arxiv.2102.05159 , 10.1038/s41467-021-23145-5 , 10.3929/ethz-b-000472101
pmc: PMC8099858 , PMC7876126
handle: 1887/3264074 , 20.500.11850/472101 , 1887/3273978
Giant exoplanets on wide orbits have been directly imaged around young stars. If the thermal background in the mid-infrared can be mitigated, then exoplanets with lower masses can also be imaged. Here we present a ground-based mid-infrared observing approach that enables imaging low-mass temperate exoplanets around nearby stars, and in particular within the closest stellar system, α Centauri. Based on 75–80% of the best quality images from 100 h of cumulative observations, we demonstrate sensitivity to warm sub-Neptune-sized planets throughout much of the habitable zone of α Centauri A. This is an order of magnitude more sensitive than state-of-the-art exoplanet imaging mass detection limits. We also discuss a possible exoplanet or exozodiacal disk detection around α Centauri A. However, an instrumental artifact of unknown origin cannot be ruled out. These results demonstrate the feasibility of imaging rocky habitable-zone exoplanets with current and upcoming telescopes. Nature Communications, 12 (1) ISSN:2041-1723
NARCIS arrow_drop_down Europe PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8099858Data sources: PubMed CentralNature CommunicationsArticle . 2021 . Peer-reviewedFull-Text: http://europepmc.org/articles/PMC7876126Data sources: PubMed CentralLeiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BYData 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=10.1038/s41467-021-21176-6&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 28 citations 28 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert NARCIS arrow_drop_down Europe PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8099858Data sources: PubMed CentralNature CommunicationsArticle . 2021 . Peer-reviewedFull-Text: http://europepmc.org/articles/PMC7876126Data sources: PubMed CentralLeiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BYData 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=10.1038/s41467-021-21176-6&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2019 NetherlandsPublisher:European Association of Geoscientists & Engineers Ruan, Yanming; Mohtadi, Mahyar; Van Der Kaars, Sander; Dupont, Lydie; Hebbeln, Dierk; Hopmans, Ellen; Schouten, Stefan; Schefuß, Enno;NARCIS; Vrije Univer... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2019add 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=10.3997/2214-4609.201902960&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Vrije Univer... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2019add 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=10.3997/2214-4609.201902960&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine 2018 Netherlands EnglishCohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.; Coastal dynamics, Fluvial systems and Global change; Geomorfologie;Units of all ranks are in the process of being defined by Global Boundary Stratotype Section and Points (GSSP) for their lowerboundaries, including those of the Archean and Proterozoic, long defined by Global Standard Stratigraphic Ages (GSSA). Charts and detailed information on ratified GSSPs are available at the website http://www.stratigraphy.org. Numerical ages are subject to revision and do not define units in the Phanerozoic and the Ediacaran; only GSSPs do. For boundaries in the Phanerozoic without ratified GSSPs or without constrained numerical ages, an approximate numerical age (~) is provided. Ratified Subseries/Subepochs are abbreviated as U/L (Upper/Late), M (Middle) and L/E (Lower/Early). Numerical ages for all systems except Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian are taken from ‘A Geologic Time Scale 2012’ by Gradstein et al. (2012); those for the Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian were provided by the relevant ICS subcommissions. Coloring follows the Commission for the Geological Map of the World (http://www.ccgm.org). To cite: Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated)The ICS International Chronostratigraphic Chart. Episodes 36: 199-204.
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=narcis______::78f2df0aefb607e42040e092137f150f&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert 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=narcis______::78f2df0aefb607e42040e092137f150f&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 NetherlandsPublisher:European Association of Geoscientists & Engineers Areias, C.; Barbosa, C.; Cruz, A. P.; Vasconcelos, C.; McKenzie, J. A.; Ariztegui, D.; Sánchez-Róman, M.;The coastal region of the Rio de Janeiro state (Brazil) is characterized by a semi-arid microclimate associated with the upwelling coastal system of nearby Cabo Frio, which affects the hydrological and biogeochemical cycles in the region. Lakes and lagoons are natural laboratories to study biogeochemical signals that occur over geological times because they generally have higher sedimentation rates than the oceans. Lagoa Vermelha (LV) and Brejo do Espinho (LBE) beside amplify signals can register fluctuation in the local climate which is related to ocean circulation and biomineralization. These lagoons represent one of the few places in the world where modern precipitation of dolomite occurs. This study uses a multiproxy approach to characterize the deposition of carbonate sediments at these evaporitic environments. Sedimentary cores from LBE and LV, 1.6 and 6.1 cal kyr BP respectively, demonstrated mixed organic matter source reaching the lagoons with large input of terrestrial components. The dolomite-rich layers deposited ~2.1 cal kyr BP displayed enriched 18O and depleted 13C suggesting intense microbial activity and dryness. Using an approach combining organic and inorganic geochemical proxies has led to the recognition of dryness as an important regional climatic characteristic on the carbonate sedimentation in these hypersaline coastal lagoons.
NARCIS arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2021NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2021add 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=10.3997/2214-4609.202112957&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2021NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2021add 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=10.3997/2214-4609.202112957&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 NetherlandsPublisher:IEEE Authors: Da Costa, B.S.C.; Da Rocha, N.S.; Silva, Suzianny Cristia Salazar da; Molmann, R.A.; +7 AuthorsDa Costa, B.S.C.; Da Rocha, N.S.; Silva, Suzianny Cristia Salazar da; Molmann, R.A.; Münchow, G.B.; Da Silveira, V.C.; Rolim, S.B.A.; De Cássia Marques Alves, R.; Becerra-Rondón, A.C.; Käfer, P.S.; Diaz, L.R.;The vertical profile of some meteorological variables and the estimate of their concentrations are important to correct the atmospheric effects in the satellite images. These profiles are used in Radiative Transfer Codes to provide atmospheric parameters for the atmospheric correction. The aim of this study is to evaluate the reliability of the WRF model in reproducing radiosonde data in situations where there are no observed local meteorological variables. It was used the WRF model and NCEP reanalysis data to generate a vertical atmospheric profile in a region characterized by humid atmosphere and nearly of the ocean. The profiles generated were compared with the airport radiosonde data of the Wyoming database, launched at 80 km of the study area. The results showed that the relative humidity is the variable that presents the higher differences in the entire vertical profile.
Vrije Universiteit A... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research Portal; NARCISContribution for newspaper or weekly magazine . Conference object . 2018Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2018add 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.2018.8518146&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Vrije Universiteit A... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research Portal; NARCISContribution for newspaper or weekly magazine . Conference object . 2018Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2018add 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.2018.8518146&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Conference object , Article 2017 NetherlandsPublisher:IEEE Funded by:ARC | Discovery Projects - Gran..., ARC | A new airborne facility f..., EC | SEDALARC| Discovery Projects - Grant ID: DP140100572 ,ARC| A new airborne facility for environmental, hydrological, atmospheric and oceanic research: high resolution measurement of soil moisture, temperature and salinity ,EC| SEDALSabaghy, Sabah; Walker, Jeffrey; Renzullo, Luigi; Akbar, Ruzbeh; Chan, Steven; Chaubell, Julian; Das, Narendra; Dunbar, R. Scott; Entekhabi, Dara; Gevaert, Anouk; Jackson, Thomas; Merlin, Olivier; Moghaddam, Mahta; Peng, Jinzheng; Piepmeier, Jeffrey; Piles, Maria; Portal, Gerard; Rudiger, Christoph; Stefan, Vivien; Wu, Xiaoling; Ye, Nan; Yueh, Simon;Soil moisture impacts exchanges of water, energy and carbon fluxes between the land surface and the atmosphere. Passive microwave remote sensing at L-band can capture spatial and temporal patterns of soil moisture in the landscape. Both ESA and NASA have launched L-band radiometers, in the form of the SMOS and SMAP satellites respectively, to monitor soil moisture globally, every 3-day at about 40 km resolution. However, their coarse scale restricts the range of applications. While SMAP included an L-band radar to downscale the radiometer soil moisture to 9 km, the radar failed after 3 months and this initial approach is not applicable to developing a consistent long term soil moisture product across the two missions anymore. Existing optical-, radiometer-, and oversampling-based downscaling methods could be an alternative to the radar-based approach for delivering such data. Nevertheless, retrieval of a consistent high resolution soil moisture product remains a challenge, and there has been no comprehensive intercomparison of the alternate approaches. This research undertakes an assessment of the different downscaling approaches using the SMAPEx-4 field campaign data.
arXiv.org e-Print Ar... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; NARCISContribution for newspaper or weekly magazine . Conference object . 2017https://doi.org/10.1109/igarss...Other literature type . Conference object . 2017 . 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.2017.8127508&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; NARCISContribution for newspaper or weekly magazine . Conference object . 2017https://doi.org/10.1109/igarss...Other literature type . Conference object . 2017 . 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.2017.8127508&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object 2017 Netherlands, France, United Kingdom, France, GermanyPublisher:Elsevier BV Sier, M.J.; Langereis, G.C.; Dupont-Nivet, G.; Feibel, C.S.; Joordens, J.C.A.; Van der Lubbe, H.J.L.; Beck, C.C.; Olago, D.; Cohen, A.; Sier; M.J.; van, der Lubbe H.J.L.; WTK, Science team members; WTK Science team members;International audience; One of the major challenges in understanding the evolution of our own species is identifying the role climate change has played in the evolution of hominin species. To clarify the influence of climate, we need long and continuous high-resolution paleoclimate records, preferably obtained from hominin-bearing sediments, that are well-dated by tephro- and magnetostratigraphy and other methods. This is hindered, however, by the fact that fossil-bearing outcrop sediments are often discontinuous, and subject to weathering, which may lead to oxidation and remagnetization. To obtain fresh, unweathered sediments, the Hominin Sites and Paleolakes Drilling Project (HSPDP) collected a ∼216-meter core (WTK13) in 2013 from Early Pleistocene Paleolake Lorenyang deposits in the western Turkana Basin (Kenya). Here, we present the magnetostratigraphy of the WTK13 core, providing a first age model for upcoming HSPDP paleoclimate and paleoenvrionmental studies on the core sediments. Rock magnetic analyses reveal the presence of iron sulfides carrying the remanent magnetizations. To recover polarity orientation from the near-equatorial WTK13 core drilled at 5°N, we developed and successfully applied two independent drill-core reorientation methods taking advantage of (1) the sedimentary fabric as expressed in the Anisotropy of Magnetic Susceptibility (AMS) and (2) the occurrence of a viscous component oriented in the present day field. The reoriented directions reveal a normal to reversed polarity reversal identified as the top of the Olduvai Subchron. From this excellent record, we find no evidence for the ‘Vrica Subchron’ previously reported in the area. We suggest that outcrop-based interpretations supporting the presence of the Vrica Subchron have been affected by the oxidation of iron sulfides initially present in the sediments -as evident in the core record- and by subsequent remagnetization. We discuss the implications of the observed geomagnetic record for human evolution studies.
Oxford University Re... arrow_drop_down Oxford University Research Archive; Quaternary Geochronology; NARCISOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMNARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2017Publikationsserver der Universität PotsdamArticle . 2017Data sources: Publikationsserver der Universität Potsdamadd 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=10.1016/j.quageo.2017.08.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 17 citations 17 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 3visibility views 3 Powered bymore_vert Oxford University Re... arrow_drop_down Oxford University Research Archive; Quaternary Geochronology; NARCISOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMNARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2017Publikationsserver der Universität PotsdamArticle . 2017Data sources: Publikationsserver der Universität Potsdamadd 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=10.1016/j.quageo.2017.08.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine 2018 Netherlands EnglishAuthors: Cohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.;Cohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.;Units of all ranks are in the process of being defined by Global Boundary Stratotype Section and Points (GSSP) for their lowerboundaries, including those of the Archean and Proterozoic, long defined by Global Standard Stratigraphic Ages (GSSA). Charts and detailed information on ratified GSSPs are available at the website http://www.stratigraphy.org. Numerical ages are subject to revision and do not define units in the Phanerozoic and the Ediacaran; only GSSPs do. For boundaries in the Phanerozoic without ratified GSSPs or without constrained numerical ages, an approximate numerical age (~) is provided. Ratified Subseries/Subepochs are abbreviated as U/L (Upper/Late), M (Middle) and L/E (Lower/Early). Numerical ages for all systems except Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian are taken from ‘A Geologic Time Scale 2012’ by Gradstein et al. (2012); those for the Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian were provided by the relevant ICS subcommissions. Coloring follows the Commission for the Geological Map of the World (http://www.ccgm.org). To cite: Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated)The ICS International Chronostratigraphic Chart. Episodes 36: 199-204.
Utrecht University R... arrow_drop_down Utrecht University RepositoryContribution for newspaper or weekly magazine . 2018Data sources: Utrecht University RepositoryAll 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=od_______101::2f34faca48ece0fc62c7195e5b76823e&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Utrecht University R... arrow_drop_down Utrecht University RepositoryContribution for newspaper or weekly magazine . 2018Data sources: Utrecht University RepositoryAll 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=od_______101::2f34faca48ece0fc62c7195e5b76823e&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine , Article , Other literature type 2017 CroatiaPublisher:Copernicus GmbH Funded by:MZOS | Surface forces on atomic ...MZOS| Surface forces on atomic scale applied in marine science and nanotechnologyAuthors: G. Pletikapić; N. Ivošević DeNardis;G. Pletikapić; N. Ivošević DeNardis;Abstract. Surface analytical methods are applied to examine the environmental status of seawaters. The present overview emphasizes advantages of combining surface analytical methods, applied to a hazardous situation in the Adriatic Sea, such as monitoring of the first aggregation phases of dissolved organic matter in order to potentially predict the massive mucilage formation and testing of oil spill cleanup. Such an approach, based on fast and direct characterization of organic matter and its high-resolution visualization, sets a continuous-scale description of organic matter from micro- to nanometre scales. Electrochemical method of chronoamperometry at the dropping mercury electrode meets the requirements for monitoring purposes due to the simple and fast analysis of a large number of natural seawater samples enabling simultaneous differentiation of organic constituents. In contrast, atomic force microscopy allows direct visualization of biotic and abiotic particles and provides an insight into structural organization of marine organic matter at micro- and nanometre scales. In the future, merging data at different spatial scales, taking into account experimental input on micrometre scale, observations on metre scale and modelling on kilometre scale, will be important for developing sophisticated technological platforms for knowledge transfer, reports and maps applicable for the marine environmental protection and management of the coastal area, especially for tourism, fishery and cruiser trafficking.
Full-text Institutio... arrow_drop_down Full-text Institutional Repository of the Ruđer Bošković InstituteContribution for newspaper or weekly magazine . 2017Natural Hazards and Earth System Sciences (NHESS)Other literature type . 2018Data sources: Copernicus PublicationsNatural Hazards and Earth System SciencesArticle . 2017 . Peer-reviewedLicense: CC BYData sources: CrossrefCroatian Scientific Bibliography - CROSBIOther literature type . 2017Data sources: Croatian Scientific Bibliography - CROSBIadd 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 Routesgold 8 citations 8 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 131visibility views 131 download downloads 235 Powered bymore_vert Full-text Institutio... arrow_drop_down Full-text Institutional Repository of the Ruđer Bošković InstituteContribution for newspaper or weekly magazine . 2017Natural Hazards and Earth System Sciences (NHESS)Other literature type . 2018Data sources: Copernicus PublicationsNatural Hazards and Earth System SciencesArticle . 2017 . Peer-reviewedLicense: CC BYData sources: CrossrefCroatian Scientific Bibliography - CROSBIOther literature type . 2017Data sources: Croatian Scientific Bibliography - CROSBIadd 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/nhess-17-31-2017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 Netherlands, ItalyPublisher:EAGE Publications BV Olaussen S.; Senger K.; Birchall T.; Braathen A.; Grundvag S.; Hammer O.; Koevoets M.; Larsen L.; Mulrooney M.; Mork M. B.; Ogata K.; Ohm S.; Rismyhr B.;The UNIS CO2 Lab has evaluated the subsurface near the local coal-fueled power plant in Longyearbyen, Svalbard, Norway as a possible CO2 storage site. Extensive geological and pressure studies, including eight fully cored slim boreholes have proven a nearly 400 m thick shale dominated unit as an efficient cap rock for buoyant fluids. The underlying 300 m thick fractured and under-pressured heterolithic succession is identified as a potential unconventional reservoir The study concludes that the reservoir exhibits injectivity and storage capacity that are sufficient for the relative small volume of the CO2 emitted from the coal power plant.
Vrije Universiteit A... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryContribution for newspaper or weekly magazine . Conference object . 2018Archivio della ricerca - Università degli studi di Napoli Federico IIConference object . 2018add 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=10.3997/2214-4609.201802953&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Vrije Universiteit A... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryContribution for newspaper or weekly magazine . Conference object . 2018Archivio della ricerca - Università degli studi di Napoli Federico IIConference object . 2018add 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 Article , Other literature type , Contribution for newspaper or weekly magazine , Preprint 2021 Switzerland, United States, France, Sweden, Netherlands, France, FrancePublisher:Springer Science and Business Media LLC Funded by:EC | VORTEX, EC | EPICEC| VORTEX ,EC| EPICKevin Wagner; A. Boehle; Prashant Pathak; M. Kasper; Robin Arsenault; Gerd Jakob; U. Käufl; Serban Leveratto; Anne-Lise Maire; Eric Pantin; Ralf Siebenmorgen; Gérard Zins; Olivier Absil; Nancy Ageorges; Daniel Apai; Alexis Carlotti; Elodie Choquet; Christian Delacroix; Kjetil Dohlen; P. Duhoux; Pontus Forsberg; Eloy Fuenteseca; Sven Gutruf; O. Guyon; Elsa Huby; Dirk Kampf; Mikael Karlsson; Pierre Kervella; J. P. Kirchbauer; P. Klupar; Johann Kolb; D. Mawet; Mamadou N'Diaye; G. Orban de Xivry; Sascha P. Quanz; Arnd Reutlinger; Garreth Ruane; M. Riquelme; Christian Soenke; Michael Sterzik; Arthur Vigan; T. de Zeeuw;doi: 10.1038/s41467-021-21176-6 , 10.48550/arxiv.2102.05159 , 10.1038/s41467-021-23145-5 , 10.3929/ethz-b-000472101
pmc: PMC8099858 , PMC7876126
handle: 1887/3264074 , 20.500.11850/472101 , 1887/3273978
Giant exoplanets on wide orbits have been directly imaged around young stars. If the thermal background in the mid-infrared can be mitigated, then exoplanets with lower masses can also be imaged. Here we present a ground-based mid-infrared observing approach that enables imaging low-mass temperate exoplanets around nearby stars, and in particular within the closest stellar system, α Centauri. Based on 75–80% of the best quality images from 100 h of cumulative observations, we demonstrate sensitivity to warm sub-Neptune-sized planets throughout much of the habitable zone of α Centauri A. This is an order of magnitude more sensitive than state-of-the-art exoplanet imaging mass detection limits. We also discuss a possible exoplanet or exozodiacal disk detection around α Centauri A. However, an instrumental artifact of unknown origin cannot be ruled out. These results demonstrate the feasibility of imaging rocky habitable-zone exoplanets with current and upcoming telescopes. Nature Communications, 12 (1) ISSN:2041-1723
NARCIS arrow_drop_down Europe PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8099858Data sources: PubMed CentralNature CommunicationsArticle . 2021 . Peer-reviewedFull-Text: http://europepmc.org/articles/PMC7876126Data sources: PubMed CentralLeiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BYData 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.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 28 citations 28 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert NARCIS arrow_drop_down Europe PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8099858Data sources: PubMed CentralNature CommunicationsArticle . 2021 . Peer-reviewedFull-Text: http://europepmc.org/articles/PMC7876126Data sources: PubMed CentralLeiden University Scholarly Publications RepositoryOther literature type . 2021License: CC BYData 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=10.1038/s41467-021-21176-6&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2019 NetherlandsPublisher:European Association of Geoscientists & Engineers Ruan, Yanming; Mohtadi, Mahyar; Van Der Kaars, Sander; Dupont, Lydie; Hebbeln, Dierk; Hopmans, Ellen; Schouten, Stefan; Schefuß, Enno;NARCIS; Vrije Univer... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2019add 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=10.3997/2214-4609.201902960&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS; Vrije Univer... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2019add 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=10.3997/2214-4609.201902960&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine 2018 Netherlands EnglishCohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.; Coastal dynamics, Fluvial systems and Global change; Geomorfologie;Units of all ranks are in the process of being defined by Global Boundary Stratotype Section and Points (GSSP) for their lowerboundaries, including those of the Archean and Proterozoic, long defined by Global Standard Stratigraphic Ages (GSSA). Charts and detailed information on ratified GSSPs are available at the website http://www.stratigraphy.org. Numerical ages are subject to revision and do not define units in the Phanerozoic and the Ediacaran; only GSSPs do. For boundaries in the Phanerozoic without ratified GSSPs or without constrained numerical ages, an approximate numerical age (~) is provided. Ratified Subseries/Subepochs are abbreviated as U/L (Upper/Late), M (Middle) and L/E (Lower/Early). Numerical ages for all systems except Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian are taken from ‘A Geologic Time Scale 2012’ by Gradstein et al. (2012); those for the Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian were provided by the relevant ICS subcommissions. Coloring follows the Commission for the Geological Map of the World (http://www.ccgm.org). To cite: Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated)The ICS International Chronostratigraphic Chart. Episodes 36: 199-204.
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=narcis______::78f2df0aefb607e42040e092137f150f&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert 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=narcis______::78f2df0aefb607e42040e092137f150f&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 NetherlandsPublisher:European Association of Geoscientists & Engineers Areias, C.; Barbosa, C.; Cruz, A. P.; Vasconcelos, C.; McKenzie, J. A.; Ariztegui, D.; Sánchez-Róman, M.;The coastal region of the Rio de Janeiro state (Brazil) is characterized by a semi-arid microclimate associated with the upwelling coastal system of nearby Cabo Frio, which affects the hydrological and biogeochemical cycles in the region. Lakes and lagoons are natural laboratories to study biogeochemical signals that occur over geological times because they generally have higher sedimentation rates than the oceans. Lagoa Vermelha (LV) and Brejo do Espinho (LBE) beside amplify signals can register fluctuation in the local climate which is related to ocean circulation and biomineralization. These lagoons represent one of the few places in the world where modern precipitation of dolomite occurs. This study uses a multiproxy approach to characterize the deposition of carbonate sediments at these evaporitic environments. Sedimentary cores from LBE and LV, 1.6 and 6.1 cal kyr BP respectively, demonstrated mixed organic matter source reaching the lagoons with large input of terrestrial components. The dolomite-rich layers deposited ~2.1 cal kyr BP displayed enriched 18O and depleted 13C suggesting intense microbial activity and dryness. Using an approach combining organic and inorganic geochemical proxies has led to the recognition of dryness as an important regional climatic characteristic on the carbonate sedimentation in these hypersaline coastal lagoons.
NARCIS arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2021NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2021add 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.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert NARCIS arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2021NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2021add 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=10.3997/2214-4609.202112957&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 NetherlandsPublisher:IEEE Authors: Da Costa, B.S.C.; Da Rocha, N.S.; Silva, Suzianny Cristia Salazar da; Molmann, R.A.; +7 AuthorsDa Costa, B.S.C.; Da Rocha, N.S.; Silva, Suzianny Cristia Salazar da; Molmann, R.A.; Münchow, G.B.; Da Silveira, V.C.; Rolim, S.B.A.; De Cássia Marques Alves, R.; Becerra-Rondón, A.C.; Käfer, P.S.; Diaz, L.R.;The vertical profile of some meteorological variables and the estimate of their concentrations are important to correct the atmospheric effects in the satellite images. These profiles are used in Radiative Transfer Codes to provide atmospheric parameters for the atmospheric correction. The aim of this study is to evaluate the reliability of the WRF model in reproducing radiosonde data in situations where there are no observed local meteorological variables. It was used the WRF model and NCEP reanalysis data to generate a vertical atmospheric profile in a region characterized by humid atmosphere and nearly of the ocean. The profiles generated were compared with the airport radiosonde data of the Wyoming database, launched at 80 km of the study area. The results showed that the relative humidity is the variable that presents the higher differences in the entire vertical profile.
Vrije Universiteit A... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research Portal; NARCISContribution for newspaper or weekly magazine . Conference object . 2018Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2018add 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.2018.8518146&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Vrije Universiteit A... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research Portal; NARCISContribution for newspaper or weekly magazine . Conference object . 2018Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryConference object . 2018add 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.2018.8518146&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Conference object , Article 2017 NetherlandsPublisher:IEEE Funded by:ARC | Discovery Projects - Gran..., ARC | A new airborne facility f..., EC | SEDALARC| Discovery Projects - Grant ID: DP140100572 ,ARC| A new airborne facility for environmental, hydrological, atmospheric and oceanic research: high resolution measurement of soil moisture, temperature and salinity ,EC| SEDALSabaghy, Sabah; Walker, Jeffrey; Renzullo, Luigi; Akbar, Ruzbeh; Chan, Steven; Chaubell, Julian; Das, Narendra; Dunbar, R. Scott; Entekhabi, Dara; Gevaert, Anouk; Jackson, Thomas; Merlin, Olivier; Moghaddam, Mahta; Peng, Jinzheng; Piepmeier, Jeffrey; Piles, Maria; Portal, Gerard; Rudiger, Christoph; Stefan, Vivien; Wu, Xiaoling; Ye, Nan; Yueh, Simon;Soil moisture impacts exchanges of water, energy and carbon fluxes between the land surface and the atmosphere. Passive microwave remote sensing at L-band can capture spatial and temporal patterns of soil moisture in the landscape. Both ESA and NASA have launched L-band radiometers, in the form of the SMOS and SMAP satellites respectively, to monitor soil moisture globally, every 3-day at about 40 km resolution. However, their coarse scale restricts the range of applications. While SMAP included an L-band radar to downscale the radiometer soil moisture to 9 km, the radar failed after 3 months and this initial approach is not applicable to developing a consistent long term soil moisture product across the two missions anymore. Existing optical-, radiometer-, and oversampling-based downscaling methods could be an alternative to the radar-based approach for delivering such data. Nevertheless, retrieval of a consistent high resolution soil moisture product remains a challenge, and there has been no comprehensive intercomparison of the alternate approaches. This research undertakes an assessment of the different downscaling approaches using the SMAPEx-4 field campaign data.
arXiv.org e-Print Ar... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; NARCISContribution for newspaper or weekly magazine . Conference object . 2017https://doi.org/10.1109/igarss...Other literature type . Conference object . 2017 . 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.2017.8127508&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; NARCISContribution for newspaper or weekly magazine . Conference object . 2017https://doi.org/10.1109/igarss...Other literature type . Conference object . 2017 . 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.2017.8127508&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object 2017 Netherlands, France, United Kingdom, France, GermanyPublisher:Elsevier BV Sier, M.J.; Langereis, G.C.; Dupont-Nivet, G.; Feibel, C.S.; Joordens, J.C.A.; Van der Lubbe, H.J.L.; Beck, C.C.; Olago, D.; Cohen, A.; Sier; M.J.; van, der Lubbe H.J.L.; WTK, Science team members; WTK Science team members;International audience; One of the major challenges in understanding the evolution of our own species is identifying the role climate change has played in the evolution of hominin species. To clarify the influence of climate, we need long and continuous high-resolution paleoclimate records, preferably obtained from hominin-bearing sediments, that are well-dated by tephro- and magnetostratigraphy and other methods. This is hindered, however, by the fact that fossil-bearing outcrop sediments are often discontinuous, and subject to weathering, which may lead to oxidation and remagnetization. To obtain fresh, unweathered sediments, the Hominin Sites and Paleolakes Drilling Project (HSPDP) collected a ∼216-meter core (WTK13) in 2013 from Early Pleistocene Paleolake Lorenyang deposits in the western Turkana Basin (Kenya). Here, we present the magnetostratigraphy of the WTK13 core, providing a first age model for upcoming HSPDP paleoclimate and paleoenvrionmental studies on the core sediments. Rock magnetic analyses reveal the presence of iron sulfides carrying the remanent magnetizations. To recover polarity orientation from the near-equatorial WTK13 core drilled at 5°N, we developed and successfully applied two independent drill-core reorientation methods taking advantage of (1) the sedimentary fabric as expressed in the Anisotropy of Magnetic Susceptibility (AMS) and (2) the occurrence of a viscous component oriented in the present day field. The reoriented directions reveal a normal to reversed polarity reversal identified as the top of the Olduvai Subchron. From this excellent record, we find no evidence for the ‘Vrica Subchron’ previously reported in the area. We suggest that outcrop-based interpretations supporting the presence of the Vrica Subchron have been affected by the oxidation of iron sulfides initially present in the sediments -as evident in the core record- and by subsequent remagnetization. We discuss the implications of the observed geomagnetic record for human evolution studies.
Oxford University Re... arrow_drop_down Oxford University Research Archive; Quaternary Geochronology; NARCISOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMNARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2017Publikationsserver der Universität PotsdamArticle . 2017Data sources: Publikationsserver der Universität Potsdamadd 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=10.1016/j.quageo.2017.08.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 17 citations 17 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 3visibility views 3 Powered bymore_vert Oxford University Re... arrow_drop_down Oxford University Research Archive; Quaternary Geochronology; NARCISOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMNARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional Repository; Vrije Universiteit Amsterdam (VU Amsterdam) – Research PortalContribution for newspaper or weekly magazine . Conference object . 2017Publikationsserver der Universität PotsdamArticle . 2017Data sources: Publikationsserver der Universität Potsdamadd 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=10.1016/j.quageo.2017.08.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine 2018 Netherlands EnglishAuthors: Cohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.;Cohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Fan, J.-X.;Units of all ranks are in the process of being defined by Global Boundary Stratotype Section and Points (GSSP) for their lowerboundaries, including those of the Archean and Proterozoic, long defined by Global Standard Stratigraphic Ages (GSSA). Charts and detailed information on ratified GSSPs are available at the website http://www.stratigraphy.org. Numerical ages are subject to revision and do not define units in the Phanerozoic and the Ediacaran; only GSSPs do. For boundaries in the Phanerozoic without ratified GSSPs or without constrained numerical ages, an approximate numerical age (~) is provided. Ratified Subseries/Subepochs are abbreviated as U/L (Upper/Late), M (Middle) and L/E (Lower/Early). Numerical ages for all systems except Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian are taken from ‘A Geologic Time Scale 2012’ by Gradstein et al. (2012); those for the Quaternary, upper Paleogene, Cretaceous, Triassic, Permian and Precambrian were provided by the relevant ICS subcommissions. Coloring follows the Commission for the Geological Map of the World (http://www.ccgm.org). To cite: Cohen, K.M., Finney, S.C., Gibbard, P.L. & Fan, J.-X. (2013; updated)The ICS International Chronostratigraphic Chart. Episodes 36: 199-204.
Utrecht University R... arrow_drop_down Utrecht University RepositoryContribution for newspaper or weekly magazine . 2018Data sources: Utrecht University RepositoryAll 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=od_______101::2f34faca48ece0fc62c7195e5b76823e&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Utrecht University R... arrow_drop_down Utrecht University RepositoryContribution for newspaper or weekly magazine . 2018Data sources: Utrecht University RepositoryAll 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=od_______101::2f34faca48ece0fc62c7195e5b76823e&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Contribution for newspaper or weekly magazine , Article , Other literature type 2017 CroatiaPublisher:Copernicus GmbH Funded by:MZOS | Surface forces on atomic ...MZOS| Surface forces on atomic scale applied in marine science and nanotechnologyAuthors: G. Pletikapić; N. Ivošević DeNardis;G. Pletikapić; N. Ivošević DeNardis;Abstract. Surface analytical methods are applied to examine the environmental status of seawaters. The present overview emphasizes advantages of combining surface analytical methods, applied to a hazardous situation in the Adriatic Sea, such as monitoring of the first aggregation phases of dissolved organic matter in order to potentially predict the massive mucilage formation and testing of oil spill cleanup. Such an approach, based on fast and direct characterization of organic matter and its high-resolution visualization, sets a continuous-scale description of organic matter from micro- to nanometre scales. Electrochemical method of chronoamperometry at the dropping mercury electrode meets the requirements for monitoring purposes due to the simple and fast analysis of a large number of natural seawater samples enabling simultaneous differentiation of organic constituents. In contrast, atomic force microscopy allows direct visualization of biotic and abiotic particles and provides an insight into structural organization of marine organic matter at micro- and nanometre scales. In the future, merging data at different spatial scales, taking into account experimental input on micrometre scale, observations on metre scale and modelling on kilometre scale, will be important for developing sophisticated technological platforms for knowledge transfer, reports and maps applicable for the marine environmental protection and management of the coastal area, especially for tourism, fishery and cruiser trafficking.
Full-text Institutio... arrow_drop_down Full-text Institutional Repository of the Ruđer Bošković InstituteContribution for newspaper or weekly magazine . 2017Natural Hazards and Earth System Sciences (NHESS)Other literature type . 2018Data sources: Copernicus PublicationsNatural Hazards and Earth System SciencesArticle . 2017 . Peer-reviewedLicense: CC BYData sources: CrossrefCroatian Scientific Bibliography - CROSBIOther literature type . 2017Data sources: Croatian Scientific Bibliography - CROSBIadd 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/nhess-17-31-2017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 8 citations 8 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 131visibility views 131 download downloads 235 Powered bymore_vert Full-text Institutio... arrow_drop_down Full-text Institutional Repository of the Ruđer Bošković InstituteContribution for newspaper or weekly magazine . 2017Natural Hazards and Earth System Sciences (NHESS)Other literature type . 2018Data sources: Copernicus PublicationsNatural Hazards and Earth System SciencesArticle . 2017 . Peer-reviewedLicense: CC BYData sources: CrossrefCroatian Scientific Bibliography - CROSBIOther literature type . 2017Data sources: Croatian Scientific Bibliography - CROSBIadd 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/nhess-17-31-2017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2018 Netherlands, ItalyPublisher:EAGE Publications BV Olaussen S.; Senger K.; Birchall T.; Braathen A.; Grundvag S.; Hammer O.; Koevoets M.; Larsen L.; Mulrooney M.; Mork M. B.; Ogata K.; Ohm S.; Rismyhr B.;The UNIS CO2 Lab has evaluated the subsurface near the local coal-fueled power plant in Longyearbyen, Svalbard, Norway as a possible CO2 storage site. Extensive geological and pressure studies, including eight fully cored slim boreholes have proven a nearly 400 m thick shale dominated unit as an efficient cap rock for buoyant fluids. The underlying 300 m thick fractured and under-pressured heterolithic succession is identified as a potential unconventional reservoir The study concludes that the reservoir exhibits injectivity and storage capacity that are sufficient for the relative small volume of the CO2 emitted from the coal power plant.
Vrije Universiteit A... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryContribution for newspaper or weekly magazine . Conference object . 2018Archivio della ricerca - Università degli studi di Napoli Federico IIConference object . 2018add 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=10.3997/2214-4609.201802953&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Vrije Universiteit A... arrow_drop_down NARCIS; Vrije Universiteit Amsterdam (VU Amsterdam) - Institutional RepositoryContribution for newspaper or weekly magazine . Conference object . 2018Archivio della ricerca - Università degli studi di Napoli Federico IIConference object . 2018add 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=10.3997/2214-4609.201802953&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu