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description Publicationkeyboard_double_arrow_right Article 2018 Italy, Belgium, BelgiumPublisher:Springer Science and Business Media LLC Stefano Cannicci; Marco Fusi; Filippo Cimò; Farid Dahdouh-Guebas; Sara Fratini;pmid: 29448932
pmc: PMC5815208
Background: The spatial distribution of mangrove crabs has been commonly associated with tree zonation and abiotic factors such as ground temperature and soil granulometry. Conversely, no studies were designed to investigate the role of competition for resources and predation in shaping crab distribution in mangroves, despite these biotic factors are recognised as key determinants for spatial patterns observed in the communities colonising rocky and sandy intertidal habitats.We studied floral and faunal assemblages in two zones of a Sri Lankan mangrove, a man-made upper intertidal level and a natural eulittoral, mid-shore one. Leaf choice experiments were designed to study both feeding rate and intra and inter-specific interactions for food of sesarmid crabs in the two habitats in order to better understand crab spatial distribution. Results: The two intertidal belts differed in terms of floral composition and crab species abundance. The eulittoral zone was strongly dominated by Neosarmatium smithi, while within the elevated littoral fringe four sesarmids (N. smithi, N. asiaticum, N. malabaricum and Muradium tetragonum) were more evenly distributed. At both levels, all sesarmids showed to collect significantly more Bruguiera spp. and Rhizophora apiculata leaves than Excoecaria agallocha ones. There was no temporal segregation in feeding activity among the four species, resulting in a high interference competition for leaves. Regardless of the habitat, N. smithi was always successful in winning inter-specific fights. Conclusions: Our results showed that the elevated littoral fringe was more crowded with crabs, but was less favourable in terms of food availability and environmental conditions. The dominance of N. smithi in gathering mangrove leaves suggests that this species may segregate the other sesarmids into less favourable habitats. The present data strongly suggest for the first time that interference competition for food can contribute to shape mangrove crab spatial distribution. info:eu-repo/semantics/published SCOPUS: ar.j
Flore (Florence Rese... arrow_drop_down Flore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)Europe PubMed CentralArticle . 2018Full-Text: http://europepmc.org/articles/PMC5815208Data sources: PubMed CentralVrije Universiteit Brussel Research PortalArticle . 2018Data sources: Vrije Universiteit Brussel Research PortalFlore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)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=10.1186/s12898-018-0164-1&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 18 citations 18 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Flore (Florence Rese... arrow_drop_down Flore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)Europe PubMed CentralArticle . 2018Full-Text: http://europepmc.org/articles/PMC5815208Data sources: PubMed CentralVrije Universiteit Brussel Research PortalArticle . 2018Data sources: Vrije Universiteit Brussel Research PortalFlore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)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=10.1186/s12898-018-0164-1&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2020 Germany, Belgium, Netherlands, France, Belgium, France, United Kingdom, United Kingdom, United KingdomPublisher:Copernicus GmbH Funded by:NSF | Collaborative Research: I..., NWO | Perturbations of System E..., EC | ERA-PLANET +1 projectsNSF| Collaborative Research: Ice sheet sensitivity in a changing Arctic system - using data and modeling to test the stable Greenland Ice Sheet hypothesis ,NWO| Perturbations of System Earth: Reading the Past to Project the Future - A proposal to create the Netherlands Earth System Science Centre (ESSC) ,EC| ERA-PLANET ,NSF| The Management and Operation of the National Center for Atmoshperic Research (NCAR)H. Goelzer; H. Goelzer; H. Goelzer; S. Nowicki; A. Payne; E. Larour; H. Seroussi; W. H. Lipscomb; J. Gregory; J. Gregory; A. Abe-Ouchi; A. Shepherd; E. Simon; C. Agosta; P. Alexander; P. Alexander; A. Aschwanden; A. Barthel; R. Calov; C. Chambers; Y. Choi; Y. Choi; J. Cuzzone; C. Dumas; T. Edwards; D. Felikson; X. Fettweis; N. R. Golledge; R. Greve; R. Greve; A. Humbert; A. Humbert; P. Huybrechts; S. Le clec'h; V. Lee; G. Leguy; C. Little; D. P. Lowry; M. Morlighem; I. Nias; I. Nias; I. Nias; A. Quiquet; M. Rückamp; N.-J. Schlegel; D. A. Slater; D. A. Slater; R. S. Smith; F. Straneo; L. Tarasov; R. van de Wal; R. van de Wal; M. van den Broeke;Abstract. The Greenland ice sheet is one of the largest contributors to global meansea-level rise today and is expected to continue to lose mass as the Arcticcontinues to warm. The two predominant mass loss mechanisms are increasedsurface meltwater run-off and mass loss associated with the retreat ofmarine-terminating outlet glaciers. In this paper we use a large ensemble ofGreenland ice sheet models forced by output from a representative subset ofthe Coupled Model Intercomparison Project (CMIP5) global climate models to project ice sheet changes and sea-level risecontributions over the 21st century. The simulations are part of theIce Sheet Model Intercomparison Project for CMIP6 (ISMIP6). We estimate thesea-level contribution together with uncertainties due to future climateforcing, ice sheet model formulations and ocean forcing for the twogreenhouse gas concentration scenarios RCP8.5 and RCP2.6. The resultsindicate that the Greenland ice sheet will continue to lose mass in bothscenarios until 2100, with contributions of 90±50 and 32±17 mm to sea-level rise for RCP8.5 and RCP2.6, respectively. The largestmass loss is expected from the south-west of Greenland, which is governed bysurface mass balance changes, continuing what is already observed today.Because the contributions are calculated against an unforced controlexperiment, these numbers do not include any committed mass loss, i.e. massloss that would occur over the coming century if the climate forcingremained constant. Under RCP8.5 forcing, ice sheet model uncertaintyexplains an ensemble spread of 40 mm, while climate model uncertainty andocean forcing uncertainty account for a spread of 36 and 19 mm,respectively. Apart from those formally derived uncertainty ranges, thelargest gap in our knowledge is about the physical understanding andimplementation of the calving process, i.e. the interaction of the ice sheetwith the ocean. info:eu-repo/semantics/published
Mémoires en Sciences... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2020St Andrews Research RepositoryArticle . 2020 . Peer-reviewedData sources: St Andrews Research RepositoryElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterVrije Universiteit Brussel Research PortalArticle . 2020Data sources: Vrije Universiteit Brussel Research Portaladd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 145 citations 145 popularity Top 1% influence Top 10% impulse Top 0.1% Powered by BIP!visibility 10visibility views 10 download downloads 30 Powered bymore_vert Mémoires en Sciences... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2020St Andrews Research RepositoryArticle . 2020 . Peer-reviewedData sources: St Andrews Research RepositoryElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterVrije Universiteit Brussel Research PortalArticle . 2020Data sources: Vrije Universiteit Brussel Research Portaladd 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/tc-2019-319&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2023Publisher:Copernicus GmbH Funded by:UKRI | A novel approach to const..., UKRI | Constraining projections ..., ARC | Industrial Transformation... +1 projectsUKRI| A novel approach to constraining ice sheet models with glacial geomorphology ,UKRI| Constraining projections of ice sheet instabilities and future sea level rise ,ARC| Industrial Transformation Research Hubs - Grant ID: IH200100009 ,EC| RISeRO. G. Pollard; O. G. Pollard; N. L. M. Barlow; L. J. Gregoire; N. Gomez; V. Cartelle; V. Cartelle; J. C. Ely; L. C. Astfalck;The North Sea Last Interglacial sea level is sensitive to the fingerprint of mass loss from polar ice sheets. However, the signal is complicated by the influence of glacial isostatic adjustment driven by Penultimate Glacial Period ice-sheet changes, and yet these ice-sheet geometries remain significantly uncertain. Here, we produce new reconstructions of the Eurasian ice sheet during the Penultimate Glacial Maximum (PGM) by employing large ensemble experiments from a simple ice-sheet model that depends solely on basal shear stress, ice extent, and topography. To explore the range of uncertainty in possible ice geometries, we use a parameterised shear-stress map as input that has been developed to incorporate bedrock characteristics and the influence of ice-sheet basal processes. We perform Bayesian uncertainty quantification, utilising Gaussian process emulation, to calibrate against global ice-sheet reconstructions of the Last Deglaciation and rule out combinations of input parameters that produce unrealistic ice sheets. The refined parameter space is then applied to the PGM to create an ensemble of constrained 3D Eurasian ice-sheet geometries. Our reconstructed PGM Eurasian ice-sheet volume is 48±8 m sea-level equivalent (SLE). We find that the Barents–Kara Sea region displays both the largest mean volume and volume uncertainty of 24±8 m SLE while the British–Irish sector volume of 1.7±0.2 m SLE is the smallest. Our new workflow may be applied to other locations and periods where ice-sheet histories have limited empirical data.
The Cryosphere (TC) arrow_drop_down https://doi.org/10.5194/tc-202...Preprint . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefCopernicus Publications; The Cryosphere (TC)Other literature type . 2023Data sources: Copernicus 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/tc-2023-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert The Cryosphere (TC) arrow_drop_down https://doi.org/10.5194/tc-202...Preprint . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefCopernicus Publications; The Cryosphere (TC)Other literature type . 2023Data sources: Copernicus 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/tc-2023-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2012 United KingdomPublisher:Copernicus GmbH James, T.D.; Murray, T.; Barrand, N.E.; Sykes, H.J.; Fox, A.J.; King, M.A.;Changes in the volume and extent of land ice of the Svalbard archipelago have been the subject of considerable research since their sensitivity to changes in climate was first noted. However, the measurement of these changes is often necessarily based on point or profile measurements which may not be representative if extrapolated to a whole catchment or region. Combining high-resolution elevation data from contemporary laser-altimetry surveys and archived aerial photography makes it possible to measure historical changes across a glacier's surface without the need for extrapolation. Here we present a high spatial resolution time-series for six Arctic glaciers in the Svalbard archipelago spanning 1961 to 2005. We find high variability in thinning rates between sites with prevalent elevation changes at all sites averaging −0.59 ± 0.04 m a<sup>−1</sup> between 1961–2005. Prior to 1990, ice surface elevation was changing at an average rate of −0.52 ± 0.09 m a<sup>−1</sup> which decreased to −0.76 ± 0.10 m a<sup>−1</sup> after 1990. Setting the elevation changes against the glaciers' altitude distribution reveals that significant increases in thinning rates are occurring most notably in the glaciers' upper reaches. We find that these changes are coincident with a decrease in winter precipitation at the Longyearbyen meteorological station and could reflect a decrease in albedo or dynamic response to lower accumulation. Further work is required to understand fully the causes of this increase in thinning rates in the glaciers' upper reaches. If on-going and occurring elsewhere in the archipelago, these changes will have a significant effect on the region's future mass balance. Our results highlight the importance of understanding the climatological context of geodetic mass balance measurements and demonstrate the difficulty of using index glaciers to represent regional changes in areas of strong climatological gradients.
The Cryosphere (TC);... 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.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 51 citations 51 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 4visibility views 4 download downloads 80 Powered bymore_vert The Cryosphere (TC);... 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=10.5194/tc-6-1369-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint , Research 2022 United KingdomPublisher:Copernicus GmbH Funded by:UKRI | Reconstructing millennial..., UKRI | NSFPLR-NERC: Geological h..., UKRI | NSFPLR-NERC: Geological h... +1 projectsUKRI| Reconstructing millennial-scale ice sheet change in the western Amundsen Sea Embayment, Antarctica, using high-precision exposure dating. ,UKRI| NSFPLR-NERC: Geological history constraints on the magnitude of grounding line retreat in the Thwaites Glacier system ,UKRI| NSFPLR-NERC: Geological history constraints on the magnitude of grounding line retreat in the Thwaites Glacier system ,NSF| NSF-NERC: Geological History Constraints on the Magnitude of Grounding Line Retreat in the Thwaites Glacier SystemJ. R. Adams; J. R. Adams; J. S. Johnson; S. J. Roberts; P. J. Mason; K. A. Nichols; R. A. Venturelli; K. Wilcken; G. Balco; B. Goehring; B. Hall; J. Woodward; D. H. Rood;Evidence for the timing and pace of past grounding line retreat of the Thwaites Glacier system in the Amundsen Sea embayment (ASE) of Antarctica provides constraints for models that are used to predict the future trajectory of the West Antarctic Ice Sheet (WAIS). Existing cosmogenic nuclide surface exposure ages suggest that Pope Glacier, a former tributary of Thwaites Glacier, experienced rapid thinning in the early to mid-Holocene. There are relatively few exposure ages from the lower ice-free sections of Mt. Murphy (<300 m a.s.l.; metres above sea level) that are uncomplicated by either nuclide inheritance or scatter due to localised topographic complexities; this makes the trajectory for the latter stages of deglaciation uncertain. This paper presents 12 new 10Be exposure ages from erratic cobbles collected from the western flank of Mt. Murphy, within 160 m of the modern ice surface and 1 km from the present grounding line. The ages comprise two tightly clustered populations with mean deglaciation ages of 7.1 ± 0.1 and 6.4 ± 0.1 ka (1 SE). Linear regression analysis applied to the age–elevation array of all available exposure ages from Mt. Murphy indicates that the median rate of thinning of Pope Glacier was 0.27 m yr−1 between 8.1–6.3 ka, occurring 1.5 times faster than previously thought. Furthermore, this analysis better constrains the uncertainty (95 % confidence interval) in the timing of deglaciation at the base of the Mt. Murphy vertical profile (∼ 80 m above the modern ice surface), shifting it to earlier in the Holocene (from 5.2 ± 0.7 to 6.3 ± 0.4 ka). Taken together, the results presented here suggest that early- to mid-Holocene thinning of Pope Glacier occurred over a shorter interval than previously assumed and permit a longer duration over which subsequent late Holocene re-thickening could have occurred.
NERC Open Research A... arrow_drop_down Copernicus Publications; The Cryosphere (TC)Other literature type . 2022Data sources: Copernicus PublicationsSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryhttps://doi.org/10.5194/tc-202...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefSpiral - Imperial College Digital RepositoryResearch . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/tc-2022-82&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 2 citations 2 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 18visibility views 18 Powered bymore_vert NERC Open Research A... arrow_drop_down Copernicus Publications; The Cryosphere (TC)Other literature type . 2022Data sources: Copernicus PublicationsSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryhttps://doi.org/10.5194/tc-202...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefSpiral - Imperial College Digital RepositoryResearch . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/tc-2022-82&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Other literature type , Article 2008 France, United Kingdom, SwitzerlandPublisher:Copernicus GmbH Authors: Gudmundsson, Hilmar; Raymond, M.;Gudmundsson, Hilmar; Raymond, M.;An optimal estimation method for simultaneously determining both basal slipperiness and basal topography from variations in surface flow velocity and topography along a flow line on ice streams and ice sheets is presented. We use Bayesian inference to update prior statistical estimates for basal topography and slipperiness using surface measurements along a flow line. Our main focus here is on how errors and spacing of surface data affect estimates of basal quantities and on possibly aliasing/mixing between basal slipperiness and basal topography. We find that the effects of spatial variations in basal topography and basal slipperiness on surface data can be accurately separated from each other, and mixing in retrieval does not pose a serious problem. For realistic surface data errors and density, small-amplitude perturbations in basal slipperiness can only be resolved for wavelengths larger than about 50 times the mean ice thickness. Bedrock topography is well resolved down to horizontal scale equal to about one ice thickness. Estimates of basal slipperiness are not significantly improved by accurate prior estimates of basal topography. However, retrieval of basal slipperiness is found to be highly sensitive to unmodelled errors in basal topography. The Cryosphere, 2 (2) ISSN:1994-0424 ISSN:1994-0416
CORE (RIOXX-UK Aggre... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2008Full-Text: https://hal.science/hal-00298550/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=10.5194/tcd-2-413-2008&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 53 citations 53 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 3visibility views 3 download downloads 30 Powered bymore_vert CORE (RIOXX-UK Aggre... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2008Full-Text: https://hal.science/hal-00298550/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=10.5194/tcd-2-413-2008&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2017 Germany, Belgium EnglishPublisher:Lund University, Sweden Hall, Per O. J.; Almroth Rosell, Elin; Bonaglia, Stefano; Dale, Andrew W.; Hylén, Astrid; Kononets, Mikhail; Nilsson, Madeleine; Sommer, Stefan; van de Velde, Sebastiaan; Viktorsson, Lena;At the end of 2014, a Major Baltic Inflow (MBI) brought oxygenated, salty water into the Baltic proper and reached the long-term anoxic Eastern Gotland Basin (EGB) by March 2015. In July 2015, we measured benthic fluxes of phosphorus (P), nitrogen (N) and silicon (Si) nutrients and dissolved inorganic carbon (DIC) in situ using an autonomous benthic lander at deep sites (170-210 m) in the EGB, where the bottom water oxygen concentration was 30-45 μM. The same in situ methodology was used to measure benthic fluxes at the same sites in 2008-2010, but then under anoxic conditions. The high efflux of phosphate under anoxic conditions became lower upon oxygenation, and turned into an influx in about 50% of the flux measurements. The C:P and N:P ratios of the benthic solute flux changed from clearly below the Redfield ratio (on average about 70 and 3-4, respectively) under anoxia to approaching or being well above the Redfield ratio upon oxygenation. These observations demonstrate retention of P in newly oxygenated sediments. We found no significant effect of oxygenation on the benthic ammonium, silicate and DIC flux. We also measured benthic denitrification, anammox, and dissimilatory nitrate reduction to ammonium (DNRA) rates at the same sites using isotope-pairing techniques. The bottom water of the long-term anoxic EGB contained less than 0.5 μM nitrate in 2008-2010, but the oxygenation event created bottom water nitrate concentrations of about 10 μM in July 2015 and the benthic flux of nitrate was consistently directed into the sediment. Nitrate reduction to both dinitrogen gas (denitrification) and ammonium (DNRA) was initiated in the newly oxygenated sediments, while anammox activity was negligible. We estimated the influence of this oxygenation event on the magnitudes of the integrated benthic P flux (the internal P load) and the fixed N removal through benthic and pelagic denitrification by comparing with a hypothetical scenario without the MBI. Our calculations suggest that the oxygenation triggered by the MBI in July 2015, extrapolated to the basin-wide scale of the Baltic proper, decreased the internal P load by 23% and increased the total (benthic plus pelagic) denitrification by 18%.
OceanRep arrow_drop_down Vrije Universiteit Brussel Research PortalArticle . 2017Data sources: Vrije Universiteit Brussel Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2101::ac873c75f6f763561f42a7aca2d2e944&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert OceanRep arrow_drop_down Vrije Universiteit Brussel Research PortalArticle . 2017Data sources: Vrije Universiteit Brussel Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 Denmark, Belgium, GermanyPublisher:Pensoft Publishers Funded by:EC | MixITiNEC| MixITiNSchneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem;An important functional trait of organisms is their trophic mode. It determines their position within food webs, as well as their function within an ecosystem. For the better part of the 20th century, aquatic protist communities were thought to consist mainly of producers (phytoplankton) and consumers (protozooplankton). Phytoplankton cover their energy requirements through photosynthesis (phototrophy), while protozooplankton graze on prey and organic particles (phagotrophy). However, over the past decades, it was shown that another trophic group (mixoplankton) comprise a notable part of aquatic protist communities. Mixoplankton employ a third trophic mode by combining phototrophy and phagotrophy (mixotrophy). Due to the historical dichotomy, it is not straightforward to gain adequate and correct information on the trophic mode of aquatic protists. Long hours of literature research or expert knowledge are needed to correctly assign trophic modes. Additionally, aquatic protists also have a long history of undergoing taxonomic changes which make it difficult to compare past and present literature. While WoRMS, the World Register of Marine Species, keeps track of the taxonomic changes and assigns each species a unique AphiaID that can be linked to its various historic and present taxonomic hierarchy, there is currently no machine-readable database to query aquatic protists for their trophic modes. This paper describes a dataset that was submitted to WoRMS and links aquatic protist taxa, with a focus on marine taxa, to their AphiaID and their trophic mode. The bulk of the data used for this dataset stems from (routine) monitoring stations in the North Sea and the Baltic Sea. The data were augmented and checked against state-of-the-art knowledge on mixoplankton taxa by consulting literature and experts. Thus, this dataset provides a first attempt to make the trophic mode of aquatic protists easily accessible in both a human- and machine-readable format.
Pensoft; Biodiversit... arrow_drop_down Pensoft; Biodiversity Data JournalArticle . Data Paper . 2020License: CC BYFull-Text: https://doi.org/10.3897/BDJ.8.e56648Europe PubMed CentralArticle . 2020Full-Text: http://europepmc.org/articles/PMC7599203Data sources: PubMed CentralCopenhagen University Research Information SystemArticle . 2020Data sources: Copenhagen University Research Information SystemElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterMémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03971058/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 16 citations 16 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 15visibility views 15 download downloads 26 Powered bymore_vert Pensoft; Biodiversit... arrow_drop_down Pensoft; Biodiversity Data JournalArticle . Data Paper . 2020License: CC BYFull-Text: https://doi.org/10.3897/BDJ.8.e56648Europe PubMed CentralArticle . 2020Full-Text: http://europepmc.org/articles/PMC7599203Data sources: PubMed CentralCopenhagen University Research Information SystemArticle . 2020Data sources: Copenhagen University Research Information SystemElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterMémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03971058/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1886 Belgium FrenchAuthors: Dollo, L.;Dollo, L.;info:eu-repo/semantics/published
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=od_______232::401460796e247b113cffd9f05209f465&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______232::401460796e247b113cffd9f05209f465&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2018Publisher:Copernicus GmbH Kristoffer Aalstad; Sebastian Westermann; Thomas V. Schuler; Julia Boike; Laurent Bertino;handle: 10852/71167
Abstract. With its high albedo, low thermal conductivity and large water storing capacity, snow strongly modulates the surface energy and water balance, which makes it a critical factor in mid- to high-latitude and mountain environments. However, estimating the snow water equivalent (SWE) is challenging in remote-sensing applications already at medium spatial resolutions of 1 km. We present an ensemble-based data assimilation framework that estimates the peak subgrid SWE distribution (SSD) at the 1 km scale by assimilating fractional snow-covered area (fSCA) satellite retrievals in a simple snow model forced by downscaled reanalysis data. The basic idea is to relate the timing of the snow cover depletion (accessible from satellite products) to the peak SSD. Peak subgrid SWE is assumed to be lognormally distributed, which can be translated to a modeled time series of fSCA through the snow model. Assimilation of satellite-derived fSCA facilitates the estimation of the peak SSD, while taking into account uncertainties in both the model and the assimilated data sets. As an extension to previous studies, our method makes use of the novel (to snow data assimilation) ensemble smoother with multiple data assimilation (ES-MDA) scheme combined with analytical Gaussian anamorphosis to assimilate time series of Moderate Resolution Imaging Spectroradiometer (MODIS) and Sentinel-2 fSCA retrievals. The scheme is applied to Arctic sites near Ny-Ålesund (79° N, Svalbard, Norway) where field measurements of fSCA and SWE distributions are available. The method is able to successfully recover accurate estimates of peak SSD on most of the occasions considered. Through the ES-MDA assimilation, the root-mean-square error (RMSE) for the fSCA, peak mean SWE and peak subgrid coefficient of variation is improved by around 75, 60 and 20 %, respectively, when compared to the prior, yielding RMSEs of 0.01, 0.09 m water equivalent (w.e.) and 0.13, respectively. The ES-MDA either outperforms or at least nearly matches the performance of other ensemble-based batch smoother schemes with regards to various evaluation metrics. Given the modularity of the method, it could prove valuable for a range of satellite-era hydrometeorological reanalyses.
Norwegian Open Resea... 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=10.5194/tc-12-247-2018&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 36 citations 36 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Norwegian Open Resea... 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.
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description Publicationkeyboard_double_arrow_right Article 2018 Italy, Belgium, BelgiumPublisher:Springer Science and Business Media LLC Stefano Cannicci; Marco Fusi; Filippo Cimò; Farid Dahdouh-Guebas; Sara Fratini;pmid: 29448932
pmc: PMC5815208
Background: The spatial distribution of mangrove crabs has been commonly associated with tree zonation and abiotic factors such as ground temperature and soil granulometry. Conversely, no studies were designed to investigate the role of competition for resources and predation in shaping crab distribution in mangroves, despite these biotic factors are recognised as key determinants for spatial patterns observed in the communities colonising rocky and sandy intertidal habitats.We studied floral and faunal assemblages in two zones of a Sri Lankan mangrove, a man-made upper intertidal level and a natural eulittoral, mid-shore one. Leaf choice experiments were designed to study both feeding rate and intra and inter-specific interactions for food of sesarmid crabs in the two habitats in order to better understand crab spatial distribution. Results: The two intertidal belts differed in terms of floral composition and crab species abundance. The eulittoral zone was strongly dominated by Neosarmatium smithi, while within the elevated littoral fringe four sesarmids (N. smithi, N. asiaticum, N. malabaricum and Muradium tetragonum) were more evenly distributed. At both levels, all sesarmids showed to collect significantly more Bruguiera spp. and Rhizophora apiculata leaves than Excoecaria agallocha ones. There was no temporal segregation in feeding activity among the four species, resulting in a high interference competition for leaves. Regardless of the habitat, N. smithi was always successful in winning inter-specific fights. Conclusions: Our results showed that the elevated littoral fringe was more crowded with crabs, but was less favourable in terms of food availability and environmental conditions. The dominance of N. smithi in gathering mangrove leaves suggests that this species may segregate the other sesarmids into less favourable habitats. The present data strongly suggest for the first time that interference competition for food can contribute to shape mangrove crab spatial distribution. info:eu-repo/semantics/published SCOPUS: ar.j
Flore (Florence Rese... arrow_drop_down Flore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)Europe PubMed CentralArticle . 2018Full-Text: http://europepmc.org/articles/PMC5815208Data sources: PubMed CentralVrije Universiteit Brussel Research PortalArticle . 2018Data sources: Vrije Universiteit Brussel Research PortalFlore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)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=10.1186/s12898-018-0164-1&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 18 citations 18 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Flore (Florence Rese... arrow_drop_down Flore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)Europe PubMed CentralArticle . 2018Full-Text: http://europepmc.org/articles/PMC5815208Data sources: PubMed CentralVrije Universiteit Brussel Research PortalArticle . 2018Data sources: Vrije Universiteit Brussel Research PortalFlore (Florence Research Repository)Article . 2018Data sources: Flore (Florence Research Repository)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=10.1186/s12898-018-0164-1&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2020 Germany, Belgium, Netherlands, France, Belgium, France, United Kingdom, United Kingdom, United KingdomPublisher:Copernicus GmbH Funded by:NSF | Collaborative Research: I..., NWO | Perturbations of System E..., EC | ERA-PLANET +1 projectsNSF| Collaborative Research: Ice sheet sensitivity in a changing Arctic system - using data and modeling to test the stable Greenland Ice Sheet hypothesis ,NWO| Perturbations of System Earth: Reading the Past to Project the Future - A proposal to create the Netherlands Earth System Science Centre (ESSC) ,EC| ERA-PLANET ,NSF| The Management and Operation of the National Center for Atmoshperic Research (NCAR)H. Goelzer; H. Goelzer; H. Goelzer; S. Nowicki; A. Payne; E. Larour; H. Seroussi; W. H. Lipscomb; J. Gregory; J. Gregory; A. Abe-Ouchi; A. Shepherd; E. Simon; C. Agosta; P. Alexander; P. Alexander; A. Aschwanden; A. Barthel; R. Calov; C. Chambers; Y. Choi; Y. Choi; J. Cuzzone; C. Dumas; T. Edwards; D. Felikson; X. Fettweis; N. R. Golledge; R. Greve; R. Greve; A. Humbert; A. Humbert; P. Huybrechts; S. Le clec'h; V. Lee; G. Leguy; C. Little; D. P. Lowry; M. Morlighem; I. Nias; I. Nias; I. Nias; A. Quiquet; M. Rückamp; N.-J. Schlegel; D. A. Slater; D. A. Slater; R. S. Smith; F. Straneo; L. Tarasov; R. van de Wal; R. van de Wal; M. van den Broeke;Abstract. The Greenland ice sheet is one of the largest contributors to global meansea-level rise today and is expected to continue to lose mass as the Arcticcontinues to warm. The two predominant mass loss mechanisms are increasedsurface meltwater run-off and mass loss associated with the retreat ofmarine-terminating outlet glaciers. In this paper we use a large ensemble ofGreenland ice sheet models forced by output from a representative subset ofthe Coupled Model Intercomparison Project (CMIP5) global climate models to project ice sheet changes and sea-level risecontributions over the 21st century. The simulations are part of theIce Sheet Model Intercomparison Project for CMIP6 (ISMIP6). We estimate thesea-level contribution together with uncertainties due to future climateforcing, ice sheet model formulations and ocean forcing for the twogreenhouse gas concentration scenarios RCP8.5 and RCP2.6. The resultsindicate that the Greenland ice sheet will continue to lose mass in bothscenarios until 2100, with contributions of 90±50 and 32±17 mm to sea-level rise for RCP8.5 and RCP2.6, respectively. The largestmass loss is expected from the south-west of Greenland, which is governed bysurface mass balance changes, continuing what is already observed today.Because the contributions are calculated against an unforced controlexperiment, these numbers do not include any committed mass loss, i.e. massloss that would occur over the coming century if the climate forcingremained constant. Under RCP8.5 forcing, ice sheet model uncertaintyexplains an ensemble spread of 40 mm, while climate model uncertainty andocean forcing uncertainty account for a spread of 36 and 19 mm,respectively. Apart from those formally derived uncertainty ranges, thelargest gap in our knowledge is about the physical understanding andimplementation of the calving process, i.e. the interaction of the ice sheetwith the ocean. info:eu-repo/semantics/published
Mémoires en Sciences... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2020St Andrews Research RepositoryArticle . 2020 . Peer-reviewedData sources: St Andrews Research RepositoryElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterVrije Universiteit Brussel Research PortalArticle . 2020Data sources: Vrije Universiteit Brussel Research Portaladd 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/tc-2019-319&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 145 citations 145 popularity Top 1% influence Top 10% impulse Top 0.1% Powered by BIP!visibility 10visibility views 10 download downloads 30 Powered bymore_vert Mémoires en Sciences... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2020St Andrews Research RepositoryArticle . 2020 . Peer-reviewedData sources: St Andrews Research RepositoryElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterVrije Universiteit Brussel Research PortalArticle . 2020Data sources: Vrije Universiteit Brussel Research Portaladd 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/tc-2019-319&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2023Publisher:Copernicus GmbH Funded by:UKRI | A novel approach to const..., UKRI | Constraining projections ..., ARC | Industrial Transformation... +1 projectsUKRI| A novel approach to constraining ice sheet models with glacial geomorphology ,UKRI| Constraining projections of ice sheet instabilities and future sea level rise ,ARC| Industrial Transformation Research Hubs - Grant ID: IH200100009 ,EC| RISeRO. G. Pollard; O. G. Pollard; N. L. M. Barlow; L. J. Gregoire; N. Gomez; V. Cartelle; V. Cartelle; J. C. Ely; L. C. Astfalck;The North Sea Last Interglacial sea level is sensitive to the fingerprint of mass loss from polar ice sheets. However, the signal is complicated by the influence of glacial isostatic adjustment driven by Penultimate Glacial Period ice-sheet changes, and yet these ice-sheet geometries remain significantly uncertain. Here, we produce new reconstructions of the Eurasian ice sheet during the Penultimate Glacial Maximum (PGM) by employing large ensemble experiments from a simple ice-sheet model that depends solely on basal shear stress, ice extent, and topography. To explore the range of uncertainty in possible ice geometries, we use a parameterised shear-stress map as input that has been developed to incorporate bedrock characteristics and the influence of ice-sheet basal processes. We perform Bayesian uncertainty quantification, utilising Gaussian process emulation, to calibrate against global ice-sheet reconstructions of the Last Deglaciation and rule out combinations of input parameters that produce unrealistic ice sheets. The refined parameter space is then applied to the PGM to create an ensemble of constrained 3D Eurasian ice-sheet geometries. Our reconstructed PGM Eurasian ice-sheet volume is 48±8 m sea-level equivalent (SLE). We find that the Barents–Kara Sea region displays both the largest mean volume and volume uncertainty of 24±8 m SLE while the British–Irish sector volume of 1.7±0.2 m SLE is the smallest. Our new workflow may be applied to other locations and periods where ice-sheet histories have limited empirical data.
The Cryosphere (TC) arrow_drop_down https://doi.org/10.5194/tc-202...Preprint . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefCopernicus Publications; The Cryosphere (TC)Other literature type . 2023Data sources: Copernicus 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/tc-2023-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert The Cryosphere (TC) arrow_drop_down https://doi.org/10.5194/tc-202...Preprint . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefCopernicus Publications; The Cryosphere (TC)Other literature type . 2023Data sources: Copernicus 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/tc-2023-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2012 United KingdomPublisher:Copernicus GmbH James, T.D.; Murray, T.; Barrand, N.E.; Sykes, H.J.; Fox, A.J.; King, M.A.;Changes in the volume and extent of land ice of the Svalbard archipelago have been the subject of considerable research since their sensitivity to changes in climate was first noted. However, the measurement of these changes is often necessarily based on point or profile measurements which may not be representative if extrapolated to a whole catchment or region. Combining high-resolution elevation data from contemporary laser-altimetry surveys and archived aerial photography makes it possible to measure historical changes across a glacier's surface without the need for extrapolation. Here we present a high spatial resolution time-series for six Arctic glaciers in the Svalbard archipelago spanning 1961 to 2005. We find high variability in thinning rates between sites with prevalent elevation changes at all sites averaging −0.59 ± 0.04 m a<sup>−1</sup> between 1961–2005. Prior to 1990, ice surface elevation was changing at an average rate of −0.52 ± 0.09 m a<sup>−1</sup> which decreased to −0.76 ± 0.10 m a<sup>−1</sup> after 1990. Setting the elevation changes against the glaciers' altitude distribution reveals that significant increases in thinning rates are occurring most notably in the glaciers' upper reaches. We find that these changes are coincident with a decrease in winter precipitation at the Longyearbyen meteorological station and could reflect a decrease in albedo or dynamic response to lower accumulation. Further work is required to understand fully the causes of this increase in thinning rates in the glaciers' upper reaches. If on-going and occurring elsewhere in the archipelago, these changes will have a significant effect on the region's future mass balance. Our results highlight the importance of understanding the climatological context of geodetic mass balance measurements and demonstrate the difficulty of using index glaciers to represent regional changes in areas of strong climatological gradients.
The Cryosphere (TC);... 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=10.5194/tc-6-1369-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 51 citations 51 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 4visibility views 4 download downloads 80 Powered bymore_vert The Cryosphere (TC);... 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=10.5194/tc-6-1369-2012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Preprint , Research 2022 United KingdomPublisher:Copernicus GmbH Funded by:UKRI | Reconstructing millennial..., UKRI | NSFPLR-NERC: Geological h..., UKRI | NSFPLR-NERC: Geological h... +1 projectsUKRI| Reconstructing millennial-scale ice sheet change in the western Amundsen Sea Embayment, Antarctica, using high-precision exposure dating. ,UKRI| NSFPLR-NERC: Geological history constraints on the magnitude of grounding line retreat in the Thwaites Glacier system ,UKRI| NSFPLR-NERC: Geological history constraints on the magnitude of grounding line retreat in the Thwaites Glacier system ,NSF| NSF-NERC: Geological History Constraints on the Magnitude of Grounding Line Retreat in the Thwaites Glacier SystemJ. R. Adams; J. R. Adams; J. S. Johnson; S. J. Roberts; P. J. Mason; K. A. Nichols; R. A. Venturelli; K. Wilcken; G. Balco; B. Goehring; B. Hall; J. Woodward; D. H. Rood;Evidence for the timing and pace of past grounding line retreat of the Thwaites Glacier system in the Amundsen Sea embayment (ASE) of Antarctica provides constraints for models that are used to predict the future trajectory of the West Antarctic Ice Sheet (WAIS). Existing cosmogenic nuclide surface exposure ages suggest that Pope Glacier, a former tributary of Thwaites Glacier, experienced rapid thinning in the early to mid-Holocene. There are relatively few exposure ages from the lower ice-free sections of Mt. Murphy (<300 m a.s.l.; metres above sea level) that are uncomplicated by either nuclide inheritance or scatter due to localised topographic complexities; this makes the trajectory for the latter stages of deglaciation uncertain. This paper presents 12 new 10Be exposure ages from erratic cobbles collected from the western flank of Mt. Murphy, within 160 m of the modern ice surface and 1 km from the present grounding line. The ages comprise two tightly clustered populations with mean deglaciation ages of 7.1 ± 0.1 and 6.4 ± 0.1 ka (1 SE). Linear regression analysis applied to the age–elevation array of all available exposure ages from Mt. Murphy indicates that the median rate of thinning of Pope Glacier was 0.27 m yr−1 between 8.1–6.3 ka, occurring 1.5 times faster than previously thought. Furthermore, this analysis better constrains the uncertainty (95 % confidence interval) in the timing of deglaciation at the base of the Mt. Murphy vertical profile (∼ 80 m above the modern ice surface), shifting it to earlier in the Holocene (from 5.2 ± 0.7 to 6.3 ± 0.4 ka). Taken together, the results presented here suggest that early- to mid-Holocene thinning of Pope Glacier occurred over a shorter interval than previously assumed and permit a longer duration over which subsequent late Holocene re-thickening could have occurred.
NERC Open Research A... arrow_drop_down Copernicus Publications; The Cryosphere (TC)Other literature type . 2022Data sources: Copernicus PublicationsSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryhttps://doi.org/10.5194/tc-202...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefSpiral - Imperial College Digital RepositoryResearch . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/tc-2022-82&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 2 citations 2 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 18visibility views 18 Powered bymore_vert NERC Open Research A... arrow_drop_down Copernicus Publications; The Cryosphere (TC)Other literature type . 2022Data sources: Copernicus PublicationsSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryhttps://doi.org/10.5194/tc-202...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefSpiral - Imperial College Digital RepositoryResearch . 2022License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/tc-2022-82&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Other literature type , Article 2008 France, United Kingdom, SwitzerlandPublisher:Copernicus GmbH Authors: Gudmundsson, Hilmar; Raymond, M.;Gudmundsson, Hilmar; Raymond, M.;An optimal estimation method for simultaneously determining both basal slipperiness and basal topography from variations in surface flow velocity and topography along a flow line on ice streams and ice sheets is presented. We use Bayesian inference to update prior statistical estimates for basal topography and slipperiness using surface measurements along a flow line. Our main focus here is on how errors and spacing of surface data affect estimates of basal quantities and on possibly aliasing/mixing between basal slipperiness and basal topography. We find that the effects of spatial variations in basal topography and basal slipperiness on surface data can be accurately separated from each other, and mixing in retrieval does not pose a serious problem. For realistic surface data errors and density, small-amplitude perturbations in basal slipperiness can only be resolved for wavelengths larger than about 50 times the mean ice thickness. Bedrock topography is well resolved down to horizontal scale equal to about one ice thickness. Estimates of basal slipperiness are not significantly improved by accurate prior estimates of basal topography. However, retrieval of basal slipperiness is found to be highly sensitive to unmodelled errors in basal topography. The Cryosphere, 2 (2) ISSN:1994-0424 ISSN:1994-0416
CORE (RIOXX-UK Aggre... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2008Full-Text: https://hal.science/hal-00298550/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=10.5194/tcd-2-413-2008&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 53 citations 53 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 3visibility views 3 download downloads 30 Powered bymore_vert CORE (RIOXX-UK Aggre... arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2008Full-Text: https://hal.science/hal-00298550/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=10.5194/tcd-2-413-2008&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2017 Germany, Belgium EnglishPublisher:Lund University, Sweden Hall, Per O. J.; Almroth Rosell, Elin; Bonaglia, Stefano; Dale, Andrew W.; Hylén, Astrid; Kononets, Mikhail; Nilsson, Madeleine; Sommer, Stefan; van de Velde, Sebastiaan; Viktorsson, Lena;At the end of 2014, a Major Baltic Inflow (MBI) brought oxygenated, salty water into the Baltic proper and reached the long-term anoxic Eastern Gotland Basin (EGB) by March 2015. In July 2015, we measured benthic fluxes of phosphorus (P), nitrogen (N) and silicon (Si) nutrients and dissolved inorganic carbon (DIC) in situ using an autonomous benthic lander at deep sites (170-210 m) in the EGB, where the bottom water oxygen concentration was 30-45 μM. The same in situ methodology was used to measure benthic fluxes at the same sites in 2008-2010, but then under anoxic conditions. The high efflux of phosphate under anoxic conditions became lower upon oxygenation, and turned into an influx in about 50% of the flux measurements. The C:P and N:P ratios of the benthic solute flux changed from clearly below the Redfield ratio (on average about 70 and 3-4, respectively) under anoxia to approaching or being well above the Redfield ratio upon oxygenation. These observations demonstrate retention of P in newly oxygenated sediments. We found no significant effect of oxygenation on the benthic ammonium, silicate and DIC flux. We also measured benthic denitrification, anammox, and dissimilatory nitrate reduction to ammonium (DNRA) rates at the same sites using isotope-pairing techniques. The bottom water of the long-term anoxic EGB contained less than 0.5 μM nitrate in 2008-2010, but the oxygenation event created bottom water nitrate concentrations of about 10 μM in July 2015 and the benthic flux of nitrate was consistently directed into the sediment. Nitrate reduction to both dinitrogen gas (denitrification) and ammonium (DNRA) was initiated in the newly oxygenated sediments, while anammox activity was negligible. We estimated the influence of this oxygenation event on the magnitudes of the integrated benthic P flux (the internal P load) and the fixed N removal through benthic and pelagic denitrification by comparing with a hypothetical scenario without the MBI. Our calculations suggest that the oxygenation triggered by the MBI in July 2015, extrapolated to the basin-wide scale of the Baltic proper, decreased the internal P load by 23% and increased the total (benthic plus pelagic) denitrification by 18%.
OceanRep arrow_drop_down Vrije Universiteit Brussel Research PortalArticle . 2017Data sources: Vrije Universiteit Brussel Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2101::ac873c75f6f763561f42a7aca2d2e944&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert OceanRep arrow_drop_down Vrije Universiteit Brussel Research PortalArticle . 2017Data sources: Vrije Universiteit Brussel Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2017 . Peer-reviewedadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2101::ac873c75f6f763561f42a7aca2d2e944&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 Denmark, Belgium, GermanyPublisher:Pensoft Publishers Funded by:EC | MixITiNEC| MixITiNSchneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem; Schneider, Lisa; Anestis, Konstantinos; Mansour, Joost; Anschütz, Anna; Gypens, Nathalie; Hansen, Per; John, Uwe; Klemm, Kerstin; Martin, Jon; Medic, Nikola; Not, Fabrice; Stolte, Willem;An important functional trait of organisms is their trophic mode. It determines their position within food webs, as well as their function within an ecosystem. For the better part of the 20th century, aquatic protist communities were thought to consist mainly of producers (phytoplankton) and consumers (protozooplankton). Phytoplankton cover their energy requirements through photosynthesis (phototrophy), while protozooplankton graze on prey and organic particles (phagotrophy). However, over the past decades, it was shown that another trophic group (mixoplankton) comprise a notable part of aquatic protist communities. Mixoplankton employ a third trophic mode by combining phototrophy and phagotrophy (mixotrophy). Due to the historical dichotomy, it is not straightforward to gain adequate and correct information on the trophic mode of aquatic protists. Long hours of literature research or expert knowledge are needed to correctly assign trophic modes. Additionally, aquatic protists also have a long history of undergoing taxonomic changes which make it difficult to compare past and present literature. While WoRMS, the World Register of Marine Species, keeps track of the taxonomic changes and assigns each species a unique AphiaID that can be linked to its various historic and present taxonomic hierarchy, there is currently no machine-readable database to query aquatic protists for their trophic modes. This paper describes a dataset that was submitted to WoRMS and links aquatic protist taxa, with a focus on marine taxa, to their AphiaID and their trophic mode. The bulk of the data used for this dataset stems from (routine) monitoring stations in the North Sea and the Baltic Sea. The data were augmented and checked against state-of-the-art knowledge on mixoplankton taxa by consulting literature and experts. Thus, this dataset provides a first attempt to make the trophic mode of aquatic protists easily accessible in both a human- and machine-readable format.
Pensoft; Biodiversit... arrow_drop_down Pensoft; Biodiversity Data JournalArticle . Data Paper . 2020License: CC BYFull-Text: https://doi.org/10.3897/BDJ.8.e56648Europe PubMed CentralArticle . 2020Full-Text: http://europepmc.org/articles/PMC7599203Data sources: PubMed CentralCopenhagen University Research Information SystemArticle . 2020Data sources: Copenhagen University Research Information SystemElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterMémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03971058/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=10.3897/bdj.8.e56648&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 16 citations 16 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 15visibility views 15 download downloads 26 Powered bymore_vert Pensoft; Biodiversit... arrow_drop_down Pensoft; Biodiversity Data JournalArticle . Data Paper . 2020License: CC BYFull-Text: https://doi.org/10.3897/BDJ.8.e56648Europe PubMed CentralArticle . 2020Full-Text: http://europepmc.org/articles/PMC7599203Data sources: PubMed CentralCopenhagen University Research Information SystemArticle . 2020Data sources: Copenhagen University Research Information SystemElectronic Publication Information CenterArticle . 2020Data sources: Electronic Publication Information CenterMémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03971058/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=10.3897/bdj.8.e56648&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1886 Belgium FrenchAuthors: Dollo, L.;Dollo, L.;info:eu-repo/semantics/published
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=od_______232::401460796e247b113cffd9f05209f465&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______232::401460796e247b113cffd9f05209f465&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2018Publisher:Copernicus GmbH Kristoffer Aalstad; Sebastian Westermann; Thomas V. Schuler; Julia Boike; Laurent Bertino;handle: 10852/71167
Abstract. With its high albedo, low thermal conductivity and large water storing capacity, snow strongly modulates the surface energy and water balance, which makes it a critical factor in mid- to high-latitude and mountain environments. However, estimating the snow water equivalent (SWE) is challenging in remote-sensing applications already at medium spatial resolutions of 1 km. We present an ensemble-based data assimilation framework that estimates the peak subgrid SWE distribution (SSD) at the 1 km scale by assimilating fractional snow-covered area (fSCA) satellite retrievals in a simple snow model forced by downscaled reanalysis data. The basic idea is to relate the timing of the snow cover depletion (accessible from satellite products) to the peak SSD. Peak subgrid SWE is assumed to be lognormally distributed, which can be translated to a modeled time series of fSCA through the snow model. Assimilation of satellite-derived fSCA facilitates the estimation of the peak SSD, while taking into account uncertainties in both the model and the assimilated data sets. As an extension to previous studies, our method makes use of the novel (to snow data assimilation) ensemble smoother with multiple data assimilation (ES-MDA) scheme combined with analytical Gaussian anamorphosis to assimilate time series of Moderate Resolution Imaging Spectroradiometer (MODIS) and Sentinel-2 fSCA retrievals. The scheme is applied to Arctic sites near Ny-Ålesund (79° N, Svalbard, Norway) where field measurements of fSCA and SWE distributions are available. The method is able to successfully recover accurate estimates of peak SSD on most of the occasions considered. Through the ES-MDA assimilation, the root-mean-square error (RMSE) for the fSCA, peak mean SWE and peak subgrid coefficient of variation is improved by around 75, 60 and 20 %, respectively, when compared to the prior, yielding RMSEs of 0.01, 0.09 m water equivalent (w.e.) and 0.13, respectively. The ES-MDA either outperforms or at least nearly matches the performance of other ensemble-based batch smoother schemes with regards to various evaluation metrics. Given the modularity of the method, it could prove valuable for a range of satellite-era hydrometeorological reanalyses.
Norwegian Open Resea... 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=10.5194/tc-12-247-2018&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 36 citations 36 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Norwegian Open Resea... 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=10.5194/tc-12-247-2018&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu