Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ...
<!--!introduction!--> Greenland´s peripheral glaciers are losing mass and are contributing significantly to sea level rise. As direct observations are scarce our knowledge is mainly based on remote sensing studies, that can hardly identify individual processes. Here, we use the unique combinat...
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ftdatacite:10.57757/iugg23-2367 2023-07-23T04:19:21+02:00 Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... Hynek, Bernhard Binder, Daniel Citterio, Michele Abermann, Jakob Larsen, Signe H. Ludewig, Elke Schöner, Wolfgang 2023 https://dx.doi.org/10.57757/iugg23-2367 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018378 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Article ConferencePaper Oral 2023 ftdatacite https://doi.org/10.57757/iugg23-2367 2023-07-03T17:52:39Z <!--!introduction!--> Greenland´s peripheral glaciers are losing mass and are contributing significantly to sea level rise. As direct observations are scarce our knowledge is mainly based on remote sensing studies, that can hardly identify individual processes. Here, we use the unique combination of remote sensing data and direct observations to quantify the effect of avalanches on the mass balance of Freya Glacier, a small (5.3km²) coastal valley glacier in Northeast Greenland with direct mass balance observations since 2007. We calculate elevation changes and geodetic mass balance of Freya Glacier from repeated high resolution photogrammetric surveys in 2013 and 2021 using a structure from motion workflow. Elevation changes between 18.8. 2013 and 28.7.2021 range from -10 m to +16 m, with an overall mean of +1.5 m. Seasonal mass balance observations show, that the overall positive mass balance is mainly due to the exceptional winter accumulation of 2018 when in addition avalanche deposits affected 1/3 ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object glacier Greenland DataCite Metadata Store (German National Library of Science and Technology) Greenland Freya ENVELOPE(160.850,160.850,-77.600,-77.600) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> Greenland´s peripheral glaciers are losing mass and are contributing significantly to sea level rise. As direct observations are scarce our knowledge is mainly based on remote sensing studies, that can hardly identify individual processes. Here, we use the unique combination of remote sensing data and direct observations to quantify the effect of avalanches on the mass balance of Freya Glacier, a small (5.3km²) coastal valley glacier in Northeast Greenland with direct mass balance observations since 2007. We calculate elevation changes and geodetic mass balance of Freya Glacier from repeated high resolution photogrammetric surveys in 2013 and 2021 using a structure from motion workflow. Elevation changes between 18.8. 2013 and 28.7.2021 range from -10 m to +16 m, with an overall mean of +1.5 m. Seasonal mass balance observations show, that the overall positive mass balance is mainly due to the exceptional winter accumulation of 2018 when in addition avalanche deposits affected 1/3 ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Hynek, Bernhard Binder, Daniel Citterio, Michele Abermann, Jakob Larsen, Signe H. Ludewig, Elke Schöner, Wolfgang |
spellingShingle |
Hynek, Bernhard Binder, Daniel Citterio, Michele Abermann, Jakob Larsen, Signe H. Ludewig, Elke Schöner, Wolfgang Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
author_facet |
Hynek, Bernhard Binder, Daniel Citterio, Michele Abermann, Jakob Larsen, Signe H. Ludewig, Elke Schöner, Wolfgang |
author_sort |
Hynek, Bernhard |
title |
Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
title_short |
Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
title_full |
Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
title_fullStr |
Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
title_full_unstemmed |
Glaciological and geodetic mass balance of Freya Glacier (NE-Greenland) ... |
title_sort |
glaciological and geodetic mass balance of freya glacier (ne-greenland) ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-2367 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018378 |
long_lat |
ENVELOPE(160.850,160.850,-77.600,-77.600) |
geographic |
Greenland Freya |
geographic_facet |
Greenland Freya |
genre |
glacier Greenland |
genre_facet |
glacier Greenland |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-2367 |
_version_ |
1772182349431177216 |