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774 results for “glacier”
Rapid glacier shrinkage and glacial lake expansion of a China-Nepal transboundary catchment in the Central Himalaya, between 1964 and 2020
<p>Glacial data set of Tama Koshi Basin (1964-2020), including glacier, glacial lake, and code.</p>
Glacier evolution projections in the French Alps (2015-2100)
<p>Dataset describing the evolution of all individual glaciers in the French Alps for the 2015-2100 period under 29 different RCM-GCM-RCP combinations. The dataset includes annual topographical data (e.g. mean glacier altitude, surface area, slope...), climate data at the glacier's mean altitude (cumulative positive degree-days, winter snowfall, summer snowfall...) and annual glacier-wide mass balance data.</p> <p>The dataset is available in two formats: netCDF and CSV. The netCDF file is the recommended format, as it is well structured to be browsed across dimensions, particularly using tools such as xarray.</p> <p>A secondary dataset (.zip file) includes individual raster files for each glacier and year representing the evolving glacier ice thickness for each of the 29 climate scenarios.</p>
Glacier thickness and ice volume of the inner tropical Andes
<p>Glacier thickness and ice volume of the inner tropical Andes <br> ------------------------------------------------------------</p> <p>Data folder</p> <p>This folder contains all of the velocity, thickness and basin-divided water volume described in our Scientific Data data decriptor, along with the code we used to generate the dataset.</p> <p>File structure:<br> ./Ice_velocities_individual_maps -> Contains individual ice velocity maps for each glacier in our study area (glacier velocity in metres per year)</p> <p><br> ./Ice_thicknesses_individual_maps -> Contains individual ice thickness maps for each glacier in our study area (ice thickness in m)</p> <p><br> ./Ice_thickness_stdev_individual_maps -> Contains ice thickness standard deviation maps for each glacier in our study area (standard deviation in metres)</p> <p><br> ./Basin_divided_water_eq_volumes -> Contains a map of ice equivalent water volume for each glacier basin. Three maps are provided for each glacier, for buffer distances of 1km, 5km and 20 km. Values represent cubic metres of water equivalent ice volume in a given catchment area.</p> <p><br> ./Code -> The code used to generate our results. See a separate README in that folder. Our study also used the GIV toolbox (10.5281/zenodo.4904544). All code is commented for easy re-use.</p> <p><br> Please contact Max Van Wyk de Vries (vanwy048@umn.edu) with any queries.</p>
BISICLES Pine Island Glacier simulations with strongly nonlinear friction
<p>Model simulations of the ice sheet model BISICLES for 100 years on a set of topographies, sampled form a GP (plus BM2 and BedMachine) with m=1/8 Weertman friction law exponent.</p> <p>See chapter 5 of DOI: <a href="https://doi.org/10.21954/ou.ro.0001223d">https://doi.org/10.21954/ou.ro.0001223d</a> for more information</p>
Figures 1-3 from: Li W-C, Liu D (2015) A new species of Metaeuchromius (Lepidoptera, Crambidae) from the Tibetan glacier area. ZooKeys 475: 113-118. https://doi.org/10.3897/zookeys.475.8766
Figures 1-3 - Metaeuchromius glacialis Li, sp. n. 1 Adult, Holotype 2 Abdomen, paratype a Tympanal and scent organs with scales b Tympanal and scent organs without scales 3 Male genitalia, paratype a Without phallus b Phallus c Cornuti.
Figures 4-6 from: Li W-C, Liu D (2015) A new species of Metaeuchromius (Lepidoptera, Crambidae) from the Tibetan glacier area. ZooKeys 475: 113-118. https://doi.org/10.3897/zookeys.475.8766
Figures 4-6 - Metaeuchromius circe Bleszynski. 4 Adult, paratype, female 5 Tympanal organ 6 Male genitalia, additional specimen a Without phallus b Phallus.
Output from the Glacier Energy and Mass Balance (GEMB v1.0) forced with 3-hourly RACMO fields, Greenland and Antarctica 1979-2014
<p>These model output are those presented in the manuscript that provides the first description of version 1.0 of the open-source Glacier Energy and Mass Balance model. GEMB is a column model of ice sheet and glacier surface-atmospheric energy and mass exchange as well as firn state. GEMB has been integrated into the open-source Ice-Sheet and Sea-level System Model which can be downloaded at https://issm.jpl.nasa.gov/. Here, GEMB is forced with 3-hourly RACMO output from 1979-2014. </p>
Data for Widespread seasonal speed-up of west Antarctic Peninsula glaciers from 2014-2021
<p>Data made available to support "Widespread seasonal speed-up of west Antarctic Peninsula glaciers from 2014-2021" Wallis et al. 2023 (accepted). For details, see publication.</p> <p>Data included:</p> <p>Calving front positions for 8 glaciers 2015-2021.</p> <p>Ice speed time series for 105 glaciers 2014-2021, raw measurements and smoothed.</p> <p>Glacier drainage basin ice speed measurements for 8 glaciers 2014-2021.</p> <p>RACMO 2.3p2 5.5km Antarctic Peninsula data: snowfall, precipitation, snowmelt, runoff, smb.</p> <p>All geospatial definitions.</p> <p>Version 2 was updated to include a mean ice speed map.</p>
Monthly glacier mass changes from CryoSat-2 radar altimetry
<p>We generate a record of ice loss across glaciers globally for the first time from CryoSat-2 swath interferometric radar altimetry. CryoSat-2’s orbital sub-cycle of 30 days allows us to resolve changes at high temporal resolution for Alaska, Arctic Canada North and South, Greenland periphery glaciers, Iceland, Svalbard, Franz Josef Land, Novaya Zemlya, Severnaya Zemlya, High Mountain Asia, Southern Andes and Antarctic periphery glaciers between 2010 and 2020.</p>
Svalbard marine-terminating glaciers change and related geoinformation (1936-2019)
<p>The dataset supports the results published in the paper Kavan & Strzelecki (2023) Glacier decay boosts formation of new Arctic coastal environments – perspectives from Svalbard" in Land Degradation & Development.</p> <p>This study is a contribution to the National Science Centre project ‘GLAVE’ (Award No. UMO-2020/38/E/ST10/00042).</p>
Map of the rate of elevation change of Mont-Blanc glaciers derived from Pléiades stereo-images
<p>This collection contains three map of elevation changes derived form Pléiades images acquired in 2012, 2021 and 2022 over the Mont-Blanc Massif (Alps) with a horizontal grid spacing of 4 m. They were derived from stereo-pairs acquired 19 August 2012, 15 August 2021, 12 October 2022, 8 August 2022 and 5 October 2022. No data are indicated by the -9999 value.</p> <p>We generated 4-m DEMs from five Pléiades stereo-pairs using the semi-global matching algorithm of the Ames Stereo Pipeline (Beyer et al., 2018) and the set of parameters defined in Deschamps-Berger et al. (2020). The DEMs were first coregistered on stable terrain, masking out glacierized areas using a glacier inventory from year 2015 (Paul et al., 2020). Spatially-coherent biases in the elevation difference maps were next corrected using a polynomial fit across-track and a spline fit in the along-track direction (Falaschi et al., 2023). </p> <p>Pléiades stereo-images were obtained thanks to DINAMIS Project, for “Dispositif Institutionnel National d’Approvisionnement Mutualisé en Imagerie Satellitaire”, a French platform that acquires and distributes very high resolution Earth satellite imagery for French and foreign institutional users under specific subscription conditions.</p>
Model setup for simulations of melting beneath Thwaites Glacier
<p>Model parameter and forcing files needed to simulate the ocean beneath Thwaites Glacier during the period 2011-2022 as described in the paper "Strong ocean melting feedback during the recent retreat of Thwaites Glacier" in Geophysical Research Letters by the same authors. This is version 2 of the model setup. Version 1 had the seabed bathymetry and ice shelf topography files incorrectly oriented.</p>
Data for Ocean warming drives rapid dynamic activation of marine-terminating glacier on the west Antarctic Peninsula
<p>Data made available to support "Ocean warming drives rapid dynamic activation of marine-terminating glacier on the west Antarctic Peninsula" Wallis et al. 2023 (accepted). For details, see publication.</p><p>Data included:</p><p>Altimetry data for Cadman, Funk and Lever Glaciers.</p><p>Bathymetric data for Beascochia Bay.</p><p>Calving fronts 1984-2022 for Cadman Glacier.</p><p>Co-registered DEMs.</p><p>All geometric definitions.</p><p>Ice velocity time-series for Cadman, Funk and Lever Glaciers.</p><p>Ice discharge time-series for Cadman Glacier.</p><p>Ocean reanalysis data, oceanographic station data.</p><p>Ice velocity Kalman filter code.</p>
Predicting hydrologic responses to climate changes in highly glacierized and mountainous region Upper Indus Basin
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Data from: Intraguild predation in pioneer predator communities of Alpine glacier forelands
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Marine communities of the newly created Kawésqar National Reserve, Chile: from glaciers to the Pacific Ocean
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Jakobshavn Glacier Bed Elevation
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Data from: Widespread grounding line retreat of Totten Glacier, East Antarctica, over the 21st century
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Evolution of Northwest Greenland Glaciers
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Data for: Seasonal acceleration of Petermann Glacier, Greenland, from changes in subglacial hydrology
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