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774 results for “glacier”
Supplementary material of : Glacier-permafrost interactions and GLOF's in Alpine terrain. Insights from seven decades of reconstructed dynamics of the Chauvet glacial and periglacial system, Southern French Alps
<p>This dataset is part of the supplementary material of "Glacier-permafrost interactions and GLOF’s in Alpine terrain. Insights from seven decades of reconstructed dynamics of the Chauvet glacial and periglacial system, Southern French Alps" paper, published in Earth Surface Processes and Landforms (ESPL) journal.<br> This dataset contain raw DEM's, surface velocities and videos of Chauvet system, that served as a basis for the long-term monitoring of glacial and periglacial systems and its interactions.</p>
Compounding seasonal variations in outlet glacier dynamics revealed by high-resolution observations
<p>It contains the code, terminus data, flowlines, and hybridDEMs used in the paper titled "Compounding seasonal variations in outlet glacier dynamics revealed by high-resolution observations". </p>
Data for "Impact of time-dependent data assimilation on ice flow model initialization and projections: a case study of Kjer Glacier, Greenland"
<p>Data for the main figures for "Impact of time-dependent data assimilation on ice flow model initialization: A case study of Kjer Glacier, Greenland"</p>
Data from: Compositional turnover and ecological changes related to the waxing and waning of glaciers during the Late Paleozoic ice age in ice-proximal regions (Pennsylvanian, western Argentina)
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Root associated fungi in Arctic Glacier Forlands raw sequences
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Data from: Evolution in situ: hybrid origin and establishment of willows (Salix L.) on alpine glacier forefields
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Data from: Historical retreat of alpine glaciers in the Ahklun Mountains, western Alaska
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Data from: Vertical distribution of the soil microbiota along a successional gradient in a glacier forefield
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Data from: Dynamic ice loss from the Greenland Ice Sheet driven by sustained glacier retreat
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Data from: The last 50 years of climate-induced melting of the Maliy Aktru glacier (Altai Mountains, Russia) revealed in a primary ecological succession
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Glacier Bay National Park mammal and plant community data
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Data from: Modelling the consequence of glacier retreat on mixotrophic nanoflagellate bacterivory: a Bayesian approach
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Accelerating ice loss from peripheral glaciers in North Greenland
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Greenland Marine-Terminating Glacier Retreat Data
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Dataset for: Fast retreat of Pope, Smith, and Kohler glaciers in West Antarctica observed by satellite interferometry
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Automatic delineation of glacier grounding lines in differential interferometric synthetic-aperture radar data using deep learning
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Automated Greenland Glacier Termini Position Time Series, Version 1
This data set contains shapefiles of termini traces from 294 Greenland glaciers, derived using a deep learning algorithm (AutoTerm) applied to satellite imagery. The model functions as a pipeline, imputing publicly availably satellite imagery from Google Earth Engine (GEE) and outputting shapefiles of glacial termini positions for each image. Also available are supplementary data, including temporal coverage of termini traces, time series data of termini variations, and updated land, ocean, and ice masks derived from the <a href="https://nsidc.org/data/nsidc-0714/versions/1">Greenland Ice Sheet Mapping Project (GrIMP) ice masks</a>.
A deep learning reconstruction of mass balance series for all glaciers in the French Alps: 1967-2015
<p>Glacier surface mass balance (SMB) data are crucial to understand and quantify the regional effects of climate on<br> glaciers and the high-mountain water cycle, yet observations cover only a small fraction of glaciers in the world. We present<br> a dataset of annual glacier-wide surface mass balance of all the glaciers in the French Alps for the 1967-2015 period. This<br> dataset has been reconstructed using deep learning (i.e. a deep artificial neural network), based on direct and remote sensing<br> SMB observations, meteorological reanalyses and topographical data from glacier inventories. This data science reconstruction<br> approach is embedded as a SMB component of the open-source ALpine Parameterized Glacier Model (ALPGM: https://zenodo.org/record/3609136). An extensive cross-validation allowed to assess the method’s validity, with an estimated average error (RMSE) of 0.49 m.w.e. a<sup>-</sup><sup>1</sup>, an explained variance (r<sup>2</sup>) of 79% and an average bias of +0.017 m.w.e. a<sup>-</sup><sup>1</sup>. We estimate an average regional area-weighted glacier-wide SMB of -0.72±0.20 m.w.e. a<sup>-</sup><sup>1</sup> for the 1967-2015 period, with moderately negative mass balances in the 1970s (-0.52 m.w.e. a<sup>-</sup><sup>1</sup>) and 1980s (-0.12 m.w.e. a<sup>-</sup><sup>1</sup>), and an increasing negative trend from the 1990s onwards, up to -1.39<br> m.w.e. a<sup>-</sup><sup>1</sup> in the 2010s. Following a topographical and regional analysis, we estimate that the massifs with the highest mass losses for this period are the Chablais (-0.90 m.w.e. a<sup>-</sup><sup>1</sup>) and Ubaye and Champsaur (-0.91 m.w.e. a<sup>-</sup><sup>1</sup> both) ranges, and the ones presenting the lowest mass losses are the Mont-Blanc and Oisans ranges (-0.74 and -0.78 m.w.e. a<sup>-</sup><sup>1</sup> respectively). This dataset provides relevant and timely data for studies in the fields of glaciology, hydrology and ecology in the French Alps, in need of regional or glacier-specific meltwater contributions in glacierized catchments.</p> <p>The SMB dataset is comprised of multiple <em>CSV</em> files, one for each of the 661 glaciers from the 2003 glacier inventory (Gardent et al., 2014), named with its GLIMS ID and RGI ID with the following format: <em>GLIMS-ID_RGI-ID_SMB.csv</em>. Both indexes are used since some glaciers that split into multiple sub-glaciers do not have an RGI ID. Split glaciers have the GLIMS ID of their "parent" glacier and an RGI ID equal to 0. Every file contains one column for the year number between 1967 and 2015 and another column for the annual glacier-wide SMB time series. Glaciers with remote sensing-derived observations (Rabatel et al., 2016) include this information as an additional column. This allows the user to choose the source of data, with remote sensing data having lower uncertainties (0.35±0.06 () m.w.e. a<sup>-</sup><sup>1</sup> as estimated in Rabatel et al. (2016)). Columns are separated by semicolon (;). All topographical data for the 661 glaciers can be found in the updated version of the 2003 glacier inventory included in the Supplementary material.</p>
Elevation change time series, Kjer and Hayes glacier drainage basins, NW Greenland
<p>This data set includes ice sheet elevation time series reconstructed at 19 locations in the Kjer and Hayes glacier drainage basins. Time series were derived from Digital Elevation Models (DEMs) and altimetry data collected from 1993 to 2015 by using the SERAC approach (Schenk and Csatho, 2012).</p> <p>Reference: Schenk, T. & Csatho, B. A New Methodology for Detecting Ice Sheet Surface Elevation Changes From Laser Altimetry Data. <em>Geoscience and Remote Sensing, IEEE Transactions on</em> <strong>50,</strong> 3302–3316 (2012).</p>
Proglacial discharge measurements, Kiattuut Sermiat glacier, south Greenland (near Narsarsuaq)
<p>Measurements of water discharge during the 2013 the melt season in the proglacial river draining from the proglacial lake of Kiattuut Sermiat, a land-terminating glacier in the south of the Greenland Ice Sheet (61.2°N, 45.3°W). The measurements were made in a stable bedrock section approximately 1 km downstream from the proglacial lake terminus. Data loggers recorded measurements every 15 minutes from April to September. Water depth (stage) was converted to discharge (Q) using season-specific ratings curves derived from 51 repeat dye-dilution injections undertaken across the stage values. This research is part of the UK Natural Environment Research Council, NERC-funded DELVE project (NERC grant NE/I008845/1). Additional funding was provided by Cabot Institute (University of Bristol). </p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.