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description Publicationkeyboard_double_arrow_right Article 2023Publisher:Informa UK Limited Publicly fundedFunded by:EC | HIGHWAVE, SFI | SFI Centre for Research T...EC| HIGHWAVE ,SFI| SFI Centre for Research Training in Foundations of Data ScienceAuthors: Smith, Ryan; Dias, Frédéric; Facciolo, Gabriele; Murphy, Thomas Brendan;Smith, Ryan; Dias, Frédéric; Facciolo, Gabriele; Murphy, Thomas Brendan;International audience; The use of convolutional neural networks (CNNs) in image classification has become the standard method of approaching many computer vision problems. Here we apply pre-trained networks to classify images of non-breaking, plunging and spilling breaking waves. The CNNs are used as basic feature extractors and a classifier is then trained on top of these networks. The dynamic nature of breaking waves is exploited by using image sequences extracted from videos to gain extra information and improve the classification results. We also see improved classification performance by using pre-computed image features such as the Optical Flow (OF) between image pairs to create new models in combination with infra-red images with reduction in errors of up to 60%. The inclusion of this dynamic information improves the classification between breaking wave classes. We also provide corrections to a methodology in the literature from which the data originates to achieve a more accurate assessment of model performance.
European Journal of ... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023Full-Text: https://hal.science/hal-04291092/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=10.1080/22797254.2022.2163707&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023Full-Text: https://hal.science/hal-04291092/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=10.1080/22797254.2022.2163707&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 IrelandPublisher:Elsevier BV Publicly fundedFunded by:SFI | Mapping, Modelling and Mo..., EC | iAtlanticSFI| Mapping, Modelling and Monitoring Key Processes and Controls on Cold-water Coral Habitats in Submarine Canyons (MMMonKey_Pro) ,EC| iAtlanticO'Reilly, Luke; Fentimen, Robin; Butschek, Felix; Titschack, Jürgen; Lim, Aaron; Moore, Niamh; O'Connor, O.J.; Appah, John; Harris, Kimberley; Vennemann, Torsten; Wheeler, Andrew J.;handle: 10468/14021
Within the Porcupine Bank Canyon (NE Atlantic), cold-water coral (CWC) mounds are mostly found clustered along the canyon lip, with individual disconnected mounds occurring nearby on the western Porcupine Bank. Remotely operated vehicle-mounted vibrocoring was utilized to acquire cores from both of these sites. This study is the first to employ this novel method when aiming to precisely sample two closely situated areas. Radiometric ages constrain the records from the early to mid-Holocene (9.1 to 5.6 ka BP). The cores were then subjected to 3D segmented computer tomography to capture mound formation stages. The cores were then further examined using stable isotopes and benthic foraminiferal assemblages, to constrain the paleoenvironmental variation that influenced CWC mound formation of each site. In total, mound aggradation rate in the Porcupine Bank Canyon and western Porcupine Bank was comparable to other Holocene CWC mounds situated off western Ireland. Results derived from multiproxy analysis, show that regional climatic shifts define the environmental conditions that allow positive coral mound formation. In addition, the aggradation rate of coral mounds is higher adjacent to the Porcupine Bank Canyon than on the western Porcupine Bank. Benthic foraminifera assemblages and planktic foraminiferal δ13C reveal that higher quality organic matter is more readily available closer to the canyon lip. As such, we hypothesize that coral mound formation in the region is likely controlled by an interplay between enhanced shelf currents and the existence of the Eastern North Atlantic Water-Mediterranean Outflow Water-Transition Zone. The geomorphology of the canyon promotes upwelling of these water masses that are enriched in particles, including food and sediment supply. The higher availability of these particles support the development and succession of ecological hotspots along the canyon lip and adjacent areas of the seafloor. These observations provide a glimpse into the role that submarine canyons play in influencing macro and micro benthic fauna distributions and highlights the importance of their conservation.
Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.margeo.2022.106930&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!visibility 8visibility views 8 download downloads 16 Powered bymore_vert Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.margeo.2022.106930&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 IrelandPublisher:Elsevier BV Publicly fundedFunded by:EC | iAtlantic, UKRI | QUIET - Quietness Underst..., SFI | Mapping, Modelling and Mo...EC| iAtlantic ,UKRI| QUIET - Quietness Understanding in E-drive Technology ,SFI| Mapping, Modelling and Monitoring Key Processes and Controls on Cold-water Coral Habitats in Submarine Canyons (MMMonKey_Pro)Luke O'Reilly; Aaron Lim; Jürgen Titschack; Niamh Moore; O.J. O'Connor; John Appah; Robin Fentimen; Felix Butschek; Kimberley Harris; Torsten Vennemann; Andrew J. Wheeler;handle: 10468/14026
Extensive research has been undertaken to elucidate the glacial history of the British Irish Ice Sheet (BIIS) in the NE Atlantic. BRITICE-CHRONO has compiled terrestrial and marine based evidence, to provide an empirical reconstruction of ice sheet expansion and retreat during the Late Pleistocene. Across the Irish margin, particular focus has been given to seafloor sediments which contain ice-rafted debris (IRD). However, there are few publications on IRD from areas proximal to the maximum extent of the BIIS, which would offer further insights on the behaviour of the ice sheet during (de)glacial events. Previous exploratory surveys of the west Porcupine Bank (wPB) visually identified IRD on the seafloor and these present a new study site to investigate the extent of the BIIS and the course of its icebergs. Moreover, there are uncertainties about the effects of icebergs on the marine life and cold-water corals occupying the nearby Porcupine Bank Canyon. Assessing a sediment core containing an IRD analogue for the wPB would thus, have a dual purpose. In the past however, coring missions of the wPB using traditional coring methods (i.e. piston and gravity cores) were unsuccessful. Here, we utilized a novel ROV-mounted vibrocoring procedure to capture a 0.75 m IRD-bearing sediment core from the wPB. Then further novel analytical methods (computed tomography-based IRD-detection) were used to quantify IRD every 0.02 cm to provide the highest resolution record of BIIS related IRD to date. From this, several fluxes of IRD deposition onto the wPB between 31.6 and 9 ka BP were revealed and corroborated by other published records from across the NE Atlantic. It was shown that the wPB IRD fluxes occur simultaneously with other parts of the margin. The IRD signal also shows that iceberg calving occurred on the wPB during the Younger Dryas. Grain-size analysis of the core allowed for a reconstruction and interpretation of the palaeoenvironmental conditions during these IRD flux events and shows that BIIS-derived glaciers had a major impact on hydrodynamic conditions in the wPB. Subsequently, intensive scouring led to a major hiatus in the core during 27.3â 17.2 ka BP. These results are a useful addition to BIIS literature on this part of the shelf. Furthermore, it shows that bottom currents were influenced by (de)glacial events, an important finding when considering the presence of nearby current-dependant benthos.
Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.quascirev.2022.107463&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.quascirev.2022.107463&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 United Kingdom, FrancePublisher:American Geophysical Union (AGU) Publicly fundedFunded by:SFI | Data analytics and machin..., UKRI | EPSRC Centre for Doctoral..., UKRI | How does the aurora heat ...SFI| Data analytics and machine learning in Space Science ,UKRI| EPSRC Centre for Doctoral Training in Next Generation Computational Modelling ,UKRI| How does the aurora heat the upper atmosphere?J. E. Waters; C. M. Jackman; L. Lamy; Baptiste Cecconi; Daniel Whiter; X. Bonnin; K. Issautier; A. R. Fogg;doi: 10.1029/2021ja029425
AbstractAuroral Kilometric Radiation (AKR) is terrestrial radio emission that originates in particle acceleration regions along magnetic field lines, coinciding with discrete auroral arcs. AKR viewing geometry is complex due to the confinement of the source regions to nightside local times (LTs) and the anisotropy of the beaming pattern, so observations are highly dependent on spacecraft viewing position. We present a novel, empirical technique that selects AKR emission from observations made with the spin‐axis aligned antenna of the Wind/WAVES instrument, based on the rapidly varying amplitude of AKR across spacecraft spin timescales. We apply the technique to Wind/WAVES data during 1999 day of year 227–257, when the Cassini spacecraft flew past Earth and provided an opportunity to observe AKR from two remote locations. We examine the AKR flux and power, with observations made from LTs of 1700–0300 hr having an average power up to 104 Wsr‐1 larger than those on the dayside and an increasing AKR power observed at higher magnetic latitudes. We perform a linear cross‐correlation between the Wind AKR power and the spacecraft magnetic latitude, showing positive then negative correlation as Wind travels from the Northern to Southern magnetic hemisphere. Statistically significant diurnal modulations are found in the whole 30‐day period and in subsets of the data covering different local time sectors, indicative of a predominantly geometrical effect for remote AKR viewing. The reproduction of well‐known features of the AKR verifies the empirical selection and shows the promise of its application to Wind/WAVES observations.
e-Prints Soton arrow_drop_down Journal of Geophysical Research Space PhysicsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2021License: CC BYFull-Text: https://hal.science/hal-03451507/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=10.1029/2021ja029425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 4visibility views 4 download downloads 2 Powered bymore_vert e-Prints Soton arrow_drop_down Journal of Geophysical Research Space PhysicsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2021License: CC BYFull-Text: https://hal.science/hal-03451507/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=10.1029/2021ja029425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 FrancePublisher:Wiley Publicly fundedFunded by:EC | AAT-NAA, SFI | Irish Centre for Research...EC| AAT-NAA ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG)Authors: Mark Wildman; Kerry Gallagher; David Chew; Andrew Carter;Mark Wildman; Kerry Gallagher; David Chew; Andrew Carter;doi: 10.1111/bre.12527
AbstractProducts of onshore passive continental margin erosion are best preserved in offshore sedimentary basins. Therefore, these basins potentially hold a recoverable record of the onshore erosion history. Here, we present apatite fission track (AFT) data for 13 samples from a borehole in the southern Walvis basin, offshore Namibia. All samples show AFT central ages older or similar to their respective stratigraphic ages, while many single grain ages are older, implying none of the samples has been totally annealed post‐deposition. Furthermore, large dispersion in single grain ages in some samples suggests multiple age components related to separate source regions. Using Bayesian mixture modelling we classify single grain ages from a given sample to particular age components to create ‘subsamples’ and then jointly invert the entire dataset to obtain a thermal history. For each sample, the post‐depositional thermal history is required to be the same for all age components, but each component (‘subsample’) has an independent pre‐depositional thermal history. With this approach we can resolve pre‐ and post‐depositional thermal events and identify changes in sediment provenance in response to the syn‐ and post‐rift tectonic evolution of Namibia and southern Africa. Apatite U‐Pb and compositional data obtained during the acquisition of LA‐ICP‐MS FT data are also presented to help track changes in provenance with time. We constrain multiple thermal events linked to the exhumation and burial history of the continental and offshore sectors of the margin over a longer timescale than has been possible using only onshore AFT thermochronological data.
CORE (RIOXX-UK Aggre... arrow_drop_down add 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=10.1111/bre.12527&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid more_vert CORE (RIOXX-UK Aggre... arrow_drop_down add 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=10.1111/bre.12527&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 France, France, SpainPublisher:Oxford University Press (OUP) Publicly fundedFunded by:Marine Institute, Geological Survey of Ireland, SFI | Structure, evolution and ... +1 projectsMarine Institute ,Geological Survey of Ireland ,SFI| Structure, evolution and seismic hazard of the Irish offshore: An investigation using the first broadband, ocean-bottom seismometer deployment offshore Ireland ,SFI| Structure and Seismicity of Ireland's CrustP. Arroucau; Susana Custódio; Chiara Civiero; Graça Silveira; Nuno Dias; Jordi Diaz; Antonio Villaseñor; Thomas Bodin;doi: 10.1093/gji/ggab005
handle: 10261/239857 , 10400.21/13415
We present PRISM3D, a 3-D reference seismic model of P- and S-wave velocities for Iberia and adjacent areas. PRISM3D results from the combination of the most up-to-date earth models available for the region. It extends horizontally from 15°W to 5°E in longitude, 34°N to 46°N in latitude and vertically from 3.5 km above to 200 km below sea level, and is modelled on a regular grid with 10 and 0.5 km of grid node spacing in the horizontal and vertical directions, respectively. It was designed using models inferred from local and teleseismic body-wave tomography, earthquake and ambient noise surface wave tomography, receiver function analysis and active source experiments. It includes two interfaces, namely the topography/bathymetry and the Mohorovičić (Moho) discontinuity. The Moho was modelled from previously published receiver function analysis and deep seismic sounding results. To that end we used a probabilistic surface reconstruction algorithm that allowed to extract the mean of the Moho depth surface along with its associated standard deviation, which provides a depth uncertainty estimate. The Moho depth model is in good agreement with previously published models, although it presents slightly sharper gardients in orogenic areas such as the Pyrenees or the Betic-Rif system. Crustal and mantle P- and S-wave wave speed grids were built separately on each side of the Moho depth surface by weighted average of existing models, thus allowing to realistically render the speed gradients across that interface. The associated weighted standard deviation was also calculated, which provides an uncertainty estimation on the average wave speed values at any point of the grid. At shallow depths (<10 km), low P and S wave speeds and high VP/VS are observed in offshore basins, while the Iberian Massif, which covers a large part of western Iberia, appears characterized by a rather flat Moho, higher than average VP and VS and low VP/VS. Conversely, the Betic-Rif system seems to be associated with low VP and VS, combined with high VP/VS in comparison to the rest of the study area. The most prominent feature of the mantle is the well known high wave speed anomaly related to the Alboran slab imaged in various mantle tomography studies. The consistency of PRISM3D with previous work is verified by comparing it with two recent studies, with which it shows a good general agreement.The impact of the new 3-D model is illustrated through a simple synthetic experiment, which shows that the lateral variations of the wave speed can produce traveltime differences ranging from –1.5 and 1.5 s for P waves and from –2.5 and 2.5 s for S waves at local to regional distances. Such values are far larger than phase picking uncertainties and would likely affect earthquake hypocentral parameter estimations. The new 3-D model thus provides a basis for regional studies including earthquake source studies, Earth structure investigations and geodynamic modelling of Iberia and its surroundings. This publication is supported by the FCT project SPIDER - Seismogenic processes in slowly deforming regions (PTDC/GEO-FIQ/2590/2014). The work presented is a contribution to FCT UIDB/50019/2020 IDL. P. Arroucau acknowledges support from Science Foundation Ireland (grant 13/CDA/2192) and from the Geological Survey of Ireland (grant 2016-PD-06). C. Civiero was supported by the Science Foundation Ireland, the Geological Survey of Ireland, and the Marine Institute (grants 13/CDA/2192 and 16/IA/4598). Figures were plotted using the GMT - Generic Mapping Tools software (Wessel & Smith 1998) and Python Matplotlib and Basemap packages. NonLinLoc was used for the forward computation of arrival times (Lomax et al. 2000). We also wish to thank Catarina Matos for the tests she performed on an early version of the model. With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI). 22 pages, 17 figures, 2 tables, supporting information https://doi.org/10.1093/gji/ggab005 Peer reviewed
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . Peer-reviewedLAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; Geophysical Journal InternationalArticle . 2021 . Peer-reviewedLicense: OUP Standard Publication Reuseadd 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 hybrid 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 107visibility views 107 download downloads 127 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . Peer-reviewedLAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; Geophysical Journal InternationalArticle . 2021 . Peer-reviewedLicense: OUP Standard Publication Reuseadd 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=10.1093/gji/ggab005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 France, Switzerland, FrancePublisher:Elsevier BV Publicly fundedFunded by:SFI | Microchemical and isotopi..., SFI | Laser ablation ion counti..., EC | RHEOLITH +3 projectsSFI| Microchemical and isotopic constraints on granite petrogenesis. ,SFI| Laser ablation ion counting analytical system ,EC| RHEOLITH ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG) ,ANR| PLANEX ,SNSF| Advancing alkali feldspar and muscovite 40Ar/39Ar thermochronologyDaniil Popov; Richard Alan Spikings; Stéphane Scaillet; Gary O'Sullivan; David Chew; Eszter Badenszki; J. Stephen Daly; Théodore Razakamanana; Joshua Davies;International audience; Alkali feldspar 40Ar/39Ar and apatite UPb geochronological studies have typically invoked two mechanisms to account for apparent loss of radiogenic 40Ar and 206-208Pb. Some studies have suggested that the radiogenic isotopes were lost by volume diffusion and used these dates to constrain temporal variations of rock temperatures; others have argued that the radiogenic isotopes were lost due to interaction with fluids and related these dates to chemical alteration. These two end-member interpretations have fundamentally different implications for tectonic models derived from geochronological data, and therefore it is important to reliably identify the principal mechanism for loss of radiogenic isotopes. Here, we revisit the mechanisms of 40Ar loss in the famous gem-quality alkali feldspar from the Itrongay pegmatite in Madagascar. Previous studies have suggested that volume diffusion is the dominant mechanism of 40Ar loss, providing key evidence to support the use of 40Ar/39Ar dating of alkali feldspar for thermochronology. We attempted to verify these results by obtaining time-temperature paths from petrologically characterised cogenetic feldspar and apatite from the Itrongay pegmatite and comparing them with each other. However, our results suggest that only a minor component in the variability of 40Ar/39Ar dates of Itrongay feldspar is related to the diffusive loss of 40Ar, and that this loss was not compatible with the majority of previously proposed models, which hinders quantitative interpretations. The crystal studied here grew in five episodes related to the influx initially of co-existing dense SiO2-rich solution and CO2-dominated fluid (the first and supposedly the following two episodes) and subsequently of H2O-rich fluid (supposedly the final two episodes). Much greater component in the variability of the acquired 40Ar/39Ar dates is interpreted to reflect the differences in the ages of these growth episodes, which we estimate to span from 477 Ma to 176 Ma (the first four episodes). Apatite inclusions in this crystal are interpreted to be xenocrysts derived from the country rocks of the Itrongay pegmatite. These yield older UPb dates than the estimated age of their host feldspar and have apparently experienced diffusive loss of 206,207Pb prior to entrapment. Our 40Ar/39Ar results indicate that there is a lack of unambiguous evidence for diffusive loss of 40Ar from alkali feldspar that can be readily interpreted for thermochronological purposes. However, in situ 40Ar/39Ar dating of alkali feldspar appears to be a promising tool for tracking fluid-flow events in the Earth's crust whose applicability is not restricted to sedimentary rocks. Our UPb results corroborate previous suggestions that UPb dating of apatite can be used for thermochronology.
Archive ouverte UNIG... arrow_drop_down HAL Descartes; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BY 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=10.1016/j.chemgeo.2020.119841&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down HAL Descartes; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BY 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=10.1016/j.chemgeo.2020.119841&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2020 France, IrelandPublisher:Cambridge University Press (CUP) Publicly fundedFunded by:SFI | Nonlinear wave-current in...SFI| Nonlinear wave-current interactions in the nearshore: addressing the role of vorticity and nonlinearity in the modelling of ocean energyAuthors: Didier Clamond; David Henry;Didier Clamond; David Henry;handle: 10468/12188
International audience; The aim of this note is to examine the efficacy of a recently developed approach to the recovery of nonlinear water waves from pressure measurements at the seabed, by applying it to the celebrated extreme Stokes wave.
Cork Open Research A... arrow_drop_down Cork Open Research Archive (CORA)Article . 2020License: CC BY NC NDData sources: Cork Open Research Archive (CORA)Journal of Fluid MechanicsArticle . 2020 . Peer-reviewedLicense: Cambridge Core User AgreementData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02638111/documenthttps://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=10.1017/jfm.2020.729&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 14 citations 14 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Cork Open Research A... arrow_drop_down Cork Open Research Archive (CORA)Article . 2020License: CC BY NC NDData sources: Cork Open Research Archive (CORA)Journal of Fluid MechanicsArticle . 2020 . Peer-reviewedLicense: Cambridge Core User AgreementData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02638111/documenthttps://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=10.1017/jfm.2020.729&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 United Kingdom, Netherlands, Switzerland, FrancePublisher:Copernicus GmbH Publicly fundedFunded by:SFI | Irish Centre for Research..., EC | FORCeS, EC | PyroTRACHSFI| Irish Centre for Research in Applied Geosciences (iCRAG) ,EC| FORCeS ,EC| PyroTRACHAlex R. Baker; Maria Kanakidou; Athanasios Nenes; Stelios Myriokefalitakis; Peter Croot; Robert A. Duce; Yuan Gao; Cécile Guieu; Akinori Ito; Tim Jickells; Natalie M. Mahowald; Rob Middag; Morgane M. G. Perron; Manmohan Sarin; Rachel U. Shelley; David R. Turner;Anthropogenic emissions to the atmosphere have increased the flux of nutrients, especially nitrogen, to the ocean, but they have also altered the acidity of aerosol, cloud water, and precipitation over much of the marine atmosphere. For nitrogen, acidity-driven changes in chemical speciation result in altered partitioning between the gas and particulate phases that subsequently affect long-range transport. Other important nutrients, notably iron and phosphorus, are affected, because their soluble fractions increase upon exposure to acidic environments during atmospheric transport. These changes affect the magnitude, distribution, and deposition mode of individual nutrients supplied to the ocean, the extent to which nutrient deposition interacts with the sea surface microlayer during its passage into bulk seawater, and the relative abundances of soluble nutrients in atmospheric deposition. Atmospheric acidity change therefore affects ecosystem composition, in addition to overall marine productivity, and these effects will continue to evolve with changing anthropogenic emissions in the future. Changing atmospheric acidity alters the delivery of nutrients to the ocean and affects marine productivity and ecology.
ZENODO; Science Adva... arrow_drop_down ZENODO; Science Advances; NARCISOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8262812Data sources: PubMed CentralMémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2021License: CC BYUniversity of East Anglia digital repositoryArticle . 2021 . Peer-reviewedData sources: University of East Anglia digital repositoryInfoscience - EPFL scientific publicationsOther literature typeData sources: Infoscience - EPFL scientific publicationsadd 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/egusphere-egu2020-19425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 40 citations 40 popularity Top 1% influence Average impulse Top 1% Powered by BIP!visibility 1visibility views 1 download downloads 12 Powered bymore_vert ZENODO; Science Adva... arrow_drop_down ZENODO; Science Advances; NARCISOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8262812Data sources: PubMed CentralMémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2021License: CC BYUniversity of East Anglia digital repositoryArticle . 2021 . Peer-reviewedData sources: University of East Anglia digital repositoryInfoscience - EPFL scientific publicationsOther literature typeData sources: Infoscience - EPFL scientific publicationsadd 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/egusphere-egu2020-19425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 France, ItalyPublisher:Oxford University Press (OUP) Funded by:FWF | Seismic properties of the..., SFI | Shallow crustal explorati..., SFI | Irish Centre for Research...FWF| Seismic properties of the Vienna basin ,SFI| Shallow crustal exploration using passive seismics: bridging the gap between academic research and industrial-scale applications ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG)Authors: Andrea Licciardi; Richard England; N. Piana Agostinetti; Kerry Gallagher;Andrea Licciardi; Richard England; N. Piana Agostinetti; Kerry Gallagher;doi: 10.1093/gji/ggaa021
SUMMARYWe present a new Moho depth model of the British Isles and surrounding areas from the most up-to-date compilation of Moho depth estimates obtained from refraction, reflection and receiver function data. We use a probabilistic, trans-dimensional and hierarchical approach for the surface reconstruction of Moho topography. This fully data-driven approach allows for adaptive parametrization, assessment of relative importance between different data-types and uncertainties quantification on the reconstructed surface. Our results confirm the first order features of the Moho topography obtained in previous work such as deeper Moho (29–36 km) in continental areas (e.g. Ireland and Great Britain) and shallower Moho (12–22 km) offshore (e.g. in the Atlantic Ocean, west of Ireland). Resolution is improved by including recent available data, especially around the Porcupine Basin, onshore Ireland and Great Britain. NE trending features in Moho topography are highlighted above the Rockall High (about 28 km) and the Rockall Trough (with a NE directed deepening from 12 to about 20 km). A perpendicular SE oriented feature (Moho depth 26–28 km) is located between the Orkney and the Shetland, extending further SW in the North Sea. Onshore, our results highlight the crustal thinning towards the N in Ireland and an E–W oriented transition between deep (34 km) and shallow (about 28 km) Moho in Scotland. Our probabilistic results are compared with previous models showing overall differences around ±2 km, within the posterior uncertainties calculated with our approach. Bigger differences are located where different data are used between models or in less constrained areas where posterior uncertainties are high.
BOA - Bicocca Open A... arrow_drop_down BOA - Bicocca Open Archive; Geophysical Journal InternationalArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020add 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=10.1093/gji/ggaa021&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 6 citations 6 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert BOA - Bicocca Open A... arrow_drop_down BOA - Bicocca Open Archive; Geophysical Journal InternationalArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020add 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=10.1093/gji/ggaa021&type=result"></script>'); --> </script>
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description Publicationkeyboard_double_arrow_right Article 2023Publisher:Informa UK Limited Publicly fundedFunded by:EC | HIGHWAVE, SFI | SFI Centre for Research T...EC| HIGHWAVE ,SFI| SFI Centre for Research Training in Foundations of Data ScienceAuthors: Smith, Ryan; Dias, Frédéric; Facciolo, Gabriele; Murphy, Thomas Brendan;Smith, Ryan; Dias, Frédéric; Facciolo, Gabriele; Murphy, Thomas Brendan;International audience; The use of convolutional neural networks (CNNs) in image classification has become the standard method of approaching many computer vision problems. Here we apply pre-trained networks to classify images of non-breaking, plunging and spilling breaking waves. The CNNs are used as basic feature extractors and a classifier is then trained on top of these networks. The dynamic nature of breaking waves is exploited by using image sequences extracted from videos to gain extra information and improve the classification results. We also see improved classification performance by using pre-computed image features such as the Optical Flow (OF) between image pairs to create new models in combination with infra-red images with reduction in errors of up to 60%. The inclusion of this dynamic information improves the classification between breaking wave classes. We also provide corrections to a methodology in the literature from which the data originates to achieve a more accurate assessment of model performance.
European Journal of ... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023Full-Text: https://hal.science/hal-04291092/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=10.1080/22797254.2022.2163707&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023Full-Text: https://hal.science/hal-04291092/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=10.1080/22797254.2022.2163707&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 IrelandPublisher:Elsevier BV Publicly fundedFunded by:SFI | Mapping, Modelling and Mo..., EC | iAtlanticSFI| Mapping, Modelling and Monitoring Key Processes and Controls on Cold-water Coral Habitats in Submarine Canyons (MMMonKey_Pro) ,EC| iAtlanticO'Reilly, Luke; Fentimen, Robin; Butschek, Felix; Titschack, Jürgen; Lim, Aaron; Moore, Niamh; O'Connor, O.J.; Appah, John; Harris, Kimberley; Vennemann, Torsten; Wheeler, Andrew J.;handle: 10468/14021
Within the Porcupine Bank Canyon (NE Atlantic), cold-water coral (CWC) mounds are mostly found clustered along the canyon lip, with individual disconnected mounds occurring nearby on the western Porcupine Bank. Remotely operated vehicle-mounted vibrocoring was utilized to acquire cores from both of these sites. This study is the first to employ this novel method when aiming to precisely sample two closely situated areas. Radiometric ages constrain the records from the early to mid-Holocene (9.1 to 5.6 ka BP). The cores were then subjected to 3D segmented computer tomography to capture mound formation stages. The cores were then further examined using stable isotopes and benthic foraminiferal assemblages, to constrain the paleoenvironmental variation that influenced CWC mound formation of each site. In total, mound aggradation rate in the Porcupine Bank Canyon and western Porcupine Bank was comparable to other Holocene CWC mounds situated off western Ireland. Results derived from multiproxy analysis, show that regional climatic shifts define the environmental conditions that allow positive coral mound formation. In addition, the aggradation rate of coral mounds is higher adjacent to the Porcupine Bank Canyon than on the western Porcupine Bank. Benthic foraminifera assemblages and planktic foraminiferal δ13C reveal that higher quality organic matter is more readily available closer to the canyon lip. As such, we hypothesize that coral mound formation in the region is likely controlled by an interplay between enhanced shelf currents and the existence of the Eastern North Atlantic Water-Mediterranean Outflow Water-Transition Zone. The geomorphology of the canyon promotes upwelling of these water masses that are enriched in particles, including food and sediment supply. The higher availability of these particles support the development and succession of ecological hotspots along the canyon lip and adjacent areas of the seafloor. These observations provide a glimpse into the role that submarine canyons play in influencing macro and micro benthic fauna distributions and highlights the importance of their conservation.
Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.margeo.2022.106930&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!visibility 8visibility views 8 download downloads 16 Powered bymore_vert Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.margeo.2022.106930&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 IrelandPublisher:Elsevier BV Publicly fundedFunded by:EC | iAtlantic, UKRI | QUIET - Quietness Underst..., SFI | Mapping, Modelling and Mo...EC| iAtlantic ,UKRI| QUIET - Quietness Understanding in E-drive Technology ,SFI| Mapping, Modelling and Monitoring Key Processes and Controls on Cold-water Coral Habitats in Submarine Canyons (MMMonKey_Pro)Luke O'Reilly; Aaron Lim; Jürgen Titschack; Niamh Moore; O.J. O'Connor; John Appah; Robin Fentimen; Felix Butschek; Kimberley Harris; Torsten Vennemann; Andrew J. Wheeler;handle: 10468/14026
Extensive research has been undertaken to elucidate the glacial history of the British Irish Ice Sheet (BIIS) in the NE Atlantic. BRITICE-CHRONO has compiled terrestrial and marine based evidence, to provide an empirical reconstruction of ice sheet expansion and retreat during the Late Pleistocene. Across the Irish margin, particular focus has been given to seafloor sediments which contain ice-rafted debris (IRD). However, there are few publications on IRD from areas proximal to the maximum extent of the BIIS, which would offer further insights on the behaviour of the ice sheet during (de)glacial events. Previous exploratory surveys of the west Porcupine Bank (wPB) visually identified IRD on the seafloor and these present a new study site to investigate the extent of the BIIS and the course of its icebergs. Moreover, there are uncertainties about the effects of icebergs on the marine life and cold-water corals occupying the nearby Porcupine Bank Canyon. Assessing a sediment core containing an IRD analogue for the wPB would thus, have a dual purpose. In the past however, coring missions of the wPB using traditional coring methods (i.e. piston and gravity cores) were unsuccessful. Here, we utilized a novel ROV-mounted vibrocoring procedure to capture a 0.75 m IRD-bearing sediment core from the wPB. Then further novel analytical methods (computed tomography-based IRD-detection) were used to quantify IRD every 0.02 cm to provide the highest resolution record of BIIS related IRD to date. From this, several fluxes of IRD deposition onto the wPB between 31.6 and 9 ka BP were revealed and corroborated by other published records from across the NE Atlantic. It was shown that the wPB IRD fluxes occur simultaneously with other parts of the margin. The IRD signal also shows that iceberg calving occurred on the wPB during the Younger Dryas. Grain-size analysis of the core allowed for a reconstruction and interpretation of the palaeoenvironmental conditions during these IRD flux events and shows that BIIS-derived glaciers had a major impact on hydrodynamic conditions in the wPB. Subsequently, intensive scouring led to a major hiatus in the core during 27.3â 17.2 ka BP. These results are a useful addition to BIIS literature on this part of the shelf. Furthermore, it shows that bottom currents were influenced by (de)glacial events, an important finding when considering the presence of nearby current-dependant benthos.
Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.quascirev.2022.107463&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Serveur académique l... arrow_drop_down Serveur académique lausannoisArticle . 2022License: CC BYData sources: Serveur académique lausannoisCork Open Research Archive (CORA)Article . 2022License: CC BYData sources: Cork Open Research Archive (CORA)add 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.quascirev.2022.107463&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 United Kingdom, FrancePublisher:American Geophysical Union (AGU) Publicly fundedFunded by:SFI | Data analytics and machin..., UKRI | EPSRC Centre for Doctoral..., UKRI | How does the aurora heat ...SFI| Data analytics and machine learning in Space Science ,UKRI| EPSRC Centre for Doctoral Training in Next Generation Computational Modelling ,UKRI| How does the aurora heat the upper atmosphere?J. E. Waters; C. M. Jackman; L. Lamy; Baptiste Cecconi; Daniel Whiter; X. Bonnin; K. Issautier; A. R. Fogg;doi: 10.1029/2021ja029425
AbstractAuroral Kilometric Radiation (AKR) is terrestrial radio emission that originates in particle acceleration regions along magnetic field lines, coinciding with discrete auroral arcs. AKR viewing geometry is complex due to the confinement of the source regions to nightside local times (LTs) and the anisotropy of the beaming pattern, so observations are highly dependent on spacecraft viewing position. We present a novel, empirical technique that selects AKR emission from observations made with the spin‐axis aligned antenna of the Wind/WAVES instrument, based on the rapidly varying amplitude of AKR across spacecraft spin timescales. We apply the technique to Wind/WAVES data during 1999 day of year 227–257, when the Cassini spacecraft flew past Earth and provided an opportunity to observe AKR from two remote locations. We examine the AKR flux and power, with observations made from LTs of 1700–0300 hr having an average power up to 104 Wsr‐1 larger than those on the dayside and an increasing AKR power observed at higher magnetic latitudes. We perform a linear cross‐correlation between the Wind AKR power and the spacecraft magnetic latitude, showing positive then negative correlation as Wind travels from the Northern to Southern magnetic hemisphere. Statistically significant diurnal modulations are found in the whole 30‐day period and in subsets of the data covering different local time sectors, indicative of a predominantly geometrical effect for remote AKR viewing. The reproduction of well‐known features of the AKR verifies the empirical selection and shows the promise of its application to Wind/WAVES observations.
e-Prints Soton arrow_drop_down Journal of Geophysical Research Space PhysicsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2021License: CC BYFull-Text: https://hal.science/hal-03451507/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=10.1029/2021ja029425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 4visibility views 4 download downloads 2 Powered bymore_vert e-Prints Soton arrow_drop_down Journal of Geophysical Research Space PhysicsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2021License: CC BYFull-Text: https://hal.science/hal-03451507/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=10.1029/2021ja029425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 FrancePublisher:Wiley Publicly fundedFunded by:EC | AAT-NAA, SFI | Irish Centre for Research...EC| AAT-NAA ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG)Authors: Mark Wildman; Kerry Gallagher; David Chew; Andrew Carter;Mark Wildman; Kerry Gallagher; David Chew; Andrew Carter;doi: 10.1111/bre.12527
AbstractProducts of onshore passive continental margin erosion are best preserved in offshore sedimentary basins. Therefore, these basins potentially hold a recoverable record of the onshore erosion history. Here, we present apatite fission track (AFT) data for 13 samples from a borehole in the southern Walvis basin, offshore Namibia. All samples show AFT central ages older or similar to their respective stratigraphic ages, while many single grain ages are older, implying none of the samples has been totally annealed post‐deposition. Furthermore, large dispersion in single grain ages in some samples suggests multiple age components related to separate source regions. Using Bayesian mixture modelling we classify single grain ages from a given sample to particular age components to create ‘subsamples’ and then jointly invert the entire dataset to obtain a thermal history. For each sample, the post‐depositional thermal history is required to be the same for all age components, but each component (‘subsample’) has an independent pre‐depositional thermal history. With this approach we can resolve pre‐ and post‐depositional thermal events and identify changes in sediment provenance in response to the syn‐ and post‐rift tectonic evolution of Namibia and southern Africa. Apatite U‐Pb and compositional data obtained during the acquisition of LA‐ICP‐MS FT data are also presented to help track changes in provenance with time. We constrain multiple thermal events linked to the exhumation and burial history of the continental and offshore sectors of the margin over a longer timescale than has been possible using only onshore AFT thermochronological data.
CORE (RIOXX-UK Aggre... arrow_drop_down add 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=10.1111/bre.12527&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid more_vert CORE (RIOXX-UK Aggre... arrow_drop_down add 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=10.1111/bre.12527&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021 France, France, SpainPublisher:Oxford University Press (OUP) Publicly fundedFunded by:Marine Institute, Geological Survey of Ireland, SFI | Structure, evolution and ... +1 projectsMarine Institute ,Geological Survey of Ireland ,SFI| Structure, evolution and seismic hazard of the Irish offshore: An investigation using the first broadband, ocean-bottom seismometer deployment offshore Ireland ,SFI| Structure and Seismicity of Ireland's CrustP. Arroucau; Susana Custódio; Chiara Civiero; Graça Silveira; Nuno Dias; Jordi Diaz; Antonio Villaseñor; Thomas Bodin;doi: 10.1093/gji/ggab005
handle: 10261/239857 , 10400.21/13415
We present PRISM3D, a 3-D reference seismic model of P- and S-wave velocities for Iberia and adjacent areas. PRISM3D results from the combination of the most up-to-date earth models available for the region. It extends horizontally from 15°W to 5°E in longitude, 34°N to 46°N in latitude and vertically from 3.5 km above to 200 km below sea level, and is modelled on a regular grid with 10 and 0.5 km of grid node spacing in the horizontal and vertical directions, respectively. It was designed using models inferred from local and teleseismic body-wave tomography, earthquake and ambient noise surface wave tomography, receiver function analysis and active source experiments. It includes two interfaces, namely the topography/bathymetry and the Mohorovičić (Moho) discontinuity. The Moho was modelled from previously published receiver function analysis and deep seismic sounding results. To that end we used a probabilistic surface reconstruction algorithm that allowed to extract the mean of the Moho depth surface along with its associated standard deviation, which provides a depth uncertainty estimate. The Moho depth model is in good agreement with previously published models, although it presents slightly sharper gardients in orogenic areas such as the Pyrenees or the Betic-Rif system. Crustal and mantle P- and S-wave wave speed grids were built separately on each side of the Moho depth surface by weighted average of existing models, thus allowing to realistically render the speed gradients across that interface. The associated weighted standard deviation was also calculated, which provides an uncertainty estimation on the average wave speed values at any point of the grid. At shallow depths (<10 km), low P and S wave speeds and high VP/VS are observed in offshore basins, while the Iberian Massif, which covers a large part of western Iberia, appears characterized by a rather flat Moho, higher than average VP and VS and low VP/VS. Conversely, the Betic-Rif system seems to be associated with low VP and VS, combined with high VP/VS in comparison to the rest of the study area. The most prominent feature of the mantle is the well known high wave speed anomaly related to the Alboran slab imaged in various mantle tomography studies. The consistency of PRISM3D with previous work is verified by comparing it with two recent studies, with which it shows a good general agreement.The impact of the new 3-D model is illustrated through a simple synthetic experiment, which shows that the lateral variations of the wave speed can produce traveltime differences ranging from –1.5 and 1.5 s for P waves and from –2.5 and 2.5 s for S waves at local to regional distances. Such values are far larger than phase picking uncertainties and would likely affect earthquake hypocentral parameter estimations. The new 3-D model thus provides a basis for regional studies including earthquake source studies, Earth structure investigations and geodynamic modelling of Iberia and its surroundings. This publication is supported by the FCT project SPIDER - Seismogenic processes in slowly deforming regions (PTDC/GEO-FIQ/2590/2014). The work presented is a contribution to FCT UIDB/50019/2020 IDL. P. Arroucau acknowledges support from Science Foundation Ireland (grant 13/CDA/2192) and from the Geological Survey of Ireland (grant 2016-PD-06). C. Civiero was supported by the Science Foundation Ireland, the Geological Survey of Ireland, and the Marine Institute (grants 13/CDA/2192 and 16/IA/4598). Figures were plotted using the GMT - Generic Mapping Tools software (Wessel & Smith 1998) and Python Matplotlib and Basemap packages. NonLinLoc was used for the forward computation of arrival times (Lomax et al. 2000). We also wish to thank Catarina Matos for the tests she performed on an early version of the model. With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI). 22 pages, 17 figures, 2 tables, supporting information https://doi.org/10.1093/gji/ggab005 Peer reviewed
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . Peer-reviewedLAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; Geophysical Journal InternationalArticle . 2021 . Peer-reviewedLicense: OUP Standard Publication Reuseadd 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=10.1093/gji/ggab005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 107visibility views 107 download downloads 127 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . Peer-reviewedLAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; Geophysical Journal InternationalArticle . 2021 . Peer-reviewedLicense: OUP Standard Publication Reuseadd 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=10.1093/gji/ggab005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 France, Switzerland, FrancePublisher:Elsevier BV Publicly fundedFunded by:SFI | Microchemical and isotopi..., SFI | Laser ablation ion counti..., EC | RHEOLITH +3 projectsSFI| Microchemical and isotopic constraints on granite petrogenesis. ,SFI| Laser ablation ion counting analytical system ,EC| RHEOLITH ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG) ,ANR| PLANEX ,SNSF| Advancing alkali feldspar and muscovite 40Ar/39Ar thermochronologyDaniil Popov; Richard Alan Spikings; Stéphane Scaillet; Gary O'Sullivan; David Chew; Eszter Badenszki; J. Stephen Daly; Théodore Razakamanana; Joshua Davies;International audience; Alkali feldspar 40Ar/39Ar and apatite UPb geochronological studies have typically invoked two mechanisms to account for apparent loss of radiogenic 40Ar and 206-208Pb. Some studies have suggested that the radiogenic isotopes were lost by volume diffusion and used these dates to constrain temporal variations of rock temperatures; others have argued that the radiogenic isotopes were lost due to interaction with fluids and related these dates to chemical alteration. These two end-member interpretations have fundamentally different implications for tectonic models derived from geochronological data, and therefore it is important to reliably identify the principal mechanism for loss of radiogenic isotopes. Here, we revisit the mechanisms of 40Ar loss in the famous gem-quality alkali feldspar from the Itrongay pegmatite in Madagascar. Previous studies have suggested that volume diffusion is the dominant mechanism of 40Ar loss, providing key evidence to support the use of 40Ar/39Ar dating of alkali feldspar for thermochronology. We attempted to verify these results by obtaining time-temperature paths from petrologically characterised cogenetic feldspar and apatite from the Itrongay pegmatite and comparing them with each other. However, our results suggest that only a minor component in the variability of 40Ar/39Ar dates of Itrongay feldspar is related to the diffusive loss of 40Ar, and that this loss was not compatible with the majority of previously proposed models, which hinders quantitative interpretations. The crystal studied here grew in five episodes related to the influx initially of co-existing dense SiO2-rich solution and CO2-dominated fluid (the first and supposedly the following two episodes) and subsequently of H2O-rich fluid (supposedly the final two episodes). Much greater component in the variability of the acquired 40Ar/39Ar dates is interpreted to reflect the differences in the ages of these growth episodes, which we estimate to span from 477 Ma to 176 Ma (the first four episodes). Apatite inclusions in this crystal are interpreted to be xenocrysts derived from the country rocks of the Itrongay pegmatite. These yield older UPb dates than the estimated age of their host feldspar and have apparently experienced diffusive loss of 206,207Pb prior to entrapment. Our 40Ar/39Ar results indicate that there is a lack of unambiguous evidence for diffusive loss of 40Ar from alkali feldspar that can be readily interpreted for thermochronological purposes. However, in situ 40Ar/39Ar dating of alkali feldspar appears to be a promising tool for tracking fluid-flow events in the Earth's crust whose applicability is not restricted to sedimentary rocks. Our UPb results corroborate previous suggestions that UPb dating of apatite can be used for thermochronology.
Archive ouverte UNIG... arrow_drop_down HAL Descartes; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BY 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=10.1016/j.chemgeo.2020.119841&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down HAL Descartes; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BY 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=10.1016/j.chemgeo.2020.119841&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2020 France, IrelandPublisher:Cambridge University Press (CUP) Publicly fundedFunded by:SFI | Nonlinear wave-current in...SFI| Nonlinear wave-current interactions in the nearshore: addressing the role of vorticity and nonlinearity in the modelling of ocean energyAuthors: Didier Clamond; David Henry;Didier Clamond; David Henry;handle: 10468/12188
International audience; The aim of this note is to examine the efficacy of a recently developed approach to the recovery of nonlinear water waves from pressure measurements at the seabed, by applying it to the celebrated extreme Stokes wave.
Cork Open Research A... arrow_drop_down Cork Open Research Archive (CORA)Article . 2020License: CC BY NC NDData sources: Cork Open Research Archive (CORA)Journal of Fluid MechanicsArticle . 2020 . Peer-reviewedLicense: Cambridge Core User AgreementData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02638111/documenthttps://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=10.1017/jfm.2020.729&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 14 citations 14 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Cork Open Research A... arrow_drop_down Cork Open Research Archive (CORA)Article . 2020License: CC BY NC NDData sources: Cork Open Research Archive (CORA)Journal of Fluid MechanicsArticle . 2020 . Peer-reviewedLicense: Cambridge Core User AgreementData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02638111/documenthttps://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=10.1017/jfm.2020.729&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 United Kingdom, Netherlands, Switzerland, FrancePublisher:Copernicus GmbH Publicly fundedFunded by:SFI | Irish Centre for Research..., EC | FORCeS, EC | PyroTRACHSFI| Irish Centre for Research in Applied Geosciences (iCRAG) ,EC| FORCeS ,EC| PyroTRACHAlex R. Baker; Maria Kanakidou; Athanasios Nenes; Stelios Myriokefalitakis; Peter Croot; Robert A. Duce; Yuan Gao; Cécile Guieu; Akinori Ito; Tim Jickells; Natalie M. Mahowald; Rob Middag; Morgane M. G. Perron; Manmohan Sarin; Rachel U. Shelley; David R. Turner;Anthropogenic emissions to the atmosphere have increased the flux of nutrients, especially nitrogen, to the ocean, but they have also altered the acidity of aerosol, cloud water, and precipitation over much of the marine atmosphere. For nitrogen, acidity-driven changes in chemical speciation result in altered partitioning between the gas and particulate phases that subsequently affect long-range transport. Other important nutrients, notably iron and phosphorus, are affected, because their soluble fractions increase upon exposure to acidic environments during atmospheric transport. These changes affect the magnitude, distribution, and deposition mode of individual nutrients supplied to the ocean, the extent to which nutrient deposition interacts with the sea surface microlayer during its passage into bulk seawater, and the relative abundances of soluble nutrients in atmospheric deposition. Atmospheric acidity change therefore affects ecosystem composition, in addition to overall marine productivity, and these effects will continue to evolve with changing anthropogenic emissions in the future. Changing atmospheric acidity alters the delivery of nutrients to the ocean and affects marine productivity and ecology.
ZENODO; Science Adva... arrow_drop_down ZENODO; Science Advances; NARCISOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8262812Data sources: PubMed CentralMémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2021License: CC BYUniversity of East Anglia digital repositoryArticle . 2021 . Peer-reviewedData sources: University of East Anglia digital repositoryInfoscience - EPFL scientific publicationsOther literature typeData sources: Infoscience - EPFL scientific publicationsadd 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/egusphere-egu2020-19425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 40 citations 40 popularity Top 1% influence Average impulse Top 1% Powered by BIP!visibility 1visibility views 1 download downloads 12 Powered bymore_vert ZENODO; Science Adva... arrow_drop_down ZENODO; Science Advances; NARCISOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC8262812Data sources: PubMed CentralMémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2021License: CC BYUniversity of East Anglia digital repositoryArticle . 2021 . Peer-reviewedData sources: University of East Anglia digital repositoryInfoscience - EPFL scientific publicationsOther literature typeData sources: Infoscience - EPFL scientific publicationsadd 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/egusphere-egu2020-19425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 France, ItalyPublisher:Oxford University Press (OUP) Funded by:FWF | Seismic properties of the..., SFI | Shallow crustal explorati..., SFI | Irish Centre for Research...FWF| Seismic properties of the Vienna basin ,SFI| Shallow crustal exploration using passive seismics: bridging the gap between academic research and industrial-scale applications ,SFI| Irish Centre for Research in Applied Geosciences (iCRAG)Authors: Andrea Licciardi; Richard England; N. Piana Agostinetti; Kerry Gallagher;Andrea Licciardi; Richard England; N. Piana Agostinetti; Kerry Gallagher;doi: 10.1093/gji/ggaa021
SUMMARYWe present a new Moho depth model of the British Isles and surrounding areas from the most up-to-date compilation of Moho depth estimates obtained from refraction, reflection and receiver function data. We use a probabilistic, trans-dimensional and hierarchical approach for the surface reconstruction of Moho topography. This fully data-driven approach allows for adaptive parametrization, assessment of relative importance between different data-types and uncertainties quantification on the reconstructed surface. Our results confirm the first order features of the Moho topography obtained in previous work such as deeper Moho (29–36 km) in continental areas (e.g. Ireland and Great Britain) and shallower Moho (12–22 km) offshore (e.g. in the Atlantic Ocean, west of Ireland). Resolution is improved by including recent available data, especially around the Porcupine Basin, onshore Ireland and Great Britain. NE trending features in Moho topography are highlighted above the Rockall High (about 28 km) and the Rockall Trough (with a NE directed deepening from 12 to about 20 km). A perpendicular SE oriented feature (Moho depth 26–28 km) is located between the Orkney and the Shetland, extending further SW in the North Sea. Onshore, our results highlight the crustal thinning towards the N in Ireland and an E–W oriented transition between deep (34 km) and shallow (about 28 km) Moho in Scotland. Our probabilistic results are compared with previous models showing overall differences around ±2 km, within the posterior uncertainties calculated with our approach. Bigger differences are located where different data are used between models or in less constrained areas where posterior uncertainties are high.
BOA - Bicocca Open A... arrow_drop_down BOA - Bicocca Open Archive; Geophysical Journal InternationalArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020add 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=10.1093/gji/ggaa021&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 6 citations 6 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert BOA - Bicocca Open A... arrow_drop_down BOA - Bicocca Open Archive; Geophysical Journal InternationalArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020add 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=10.1093/gji/ggaa021&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu