ECS approach to model GRACE gravity data ...
<!--!introduction!--> Started in 2002, the GRACE “Gravity Recovery and Climate Experiment” gravity mission has allowed mapping the changes in the Earth’s gravitational field over about 15 years (2002-2017). We introduce a method to compute the ice mass-balance from GRACE gravity variations, wh...
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GFZ German Research Centre for Geosciences
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ftdatacite:10.57757/iugg23-2740 2023-07-23T04:19:34+02:00 ECS approach to model GRACE gravity data ... Maiolino, Marco Fedi, Maurizio Florio, Giovanni 2023 https://dx.doi.org/10.57757/iugg23-2740 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019137 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/iugg23-2740 2023-07-03T18:47:43Z <!--!introduction!--> Started in 2002, the GRACE “Gravity Recovery and Climate Experiment” gravity mission has allowed mapping the changes in the Earth’s gravitational field over about 15 years (2002-2017). We introduce a method to compute the ice mass-balance from GRACE gravity variations, which is particularly suited to suppress the leakage contribution to the field. The method, called ECS (Extremely Compact Source) yields an ECS model, where the sources are very efficiently separated. It thus allows the user to compute the associated mass and gravity field of each source and to remove unwanted effects, such as those related to the leakage. We apply the method to estimate the mass changes of the main Icelandic glaciers, in the period 2002-2017. The leakage effect is particularly evident in the Vatnajökull ice cap area, due to its proximity to the strong gravity field related to the Greenland ice sheet melting. We show that ECS eliminates the need for independent data sets (e.g., ICEsat or Envisat) ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Greenland Ice cap Ice Sheet Vatnajökull DataCite Metadata Store (German National Library of Science and Technology) Greenland Vatnajökull ENVELOPE(-16.823,-16.823,64.420,64.420) |
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<!--!introduction!--> Started in 2002, the GRACE “Gravity Recovery and Climate Experiment” gravity mission has allowed mapping the changes in the Earth’s gravitational field over about 15 years (2002-2017). We introduce a method to compute the ice mass-balance from GRACE gravity variations, which is particularly suited to suppress the leakage contribution to the field. The method, called ECS (Extremely Compact Source) yields an ECS model, where the sources are very efficiently separated. It thus allows the user to compute the associated mass and gravity field of each source and to remove unwanted effects, such as those related to the leakage. We apply the method to estimate the mass changes of the main Icelandic glaciers, in the period 2002-2017. The leakage effect is particularly evident in the Vatnajökull ice cap area, due to its proximity to the strong gravity field related to the Greenland ice sheet melting. We show that ECS eliminates the need for independent data sets (e.g., ICEsat or Envisat) ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Maiolino, Marco Fedi, Maurizio Florio, Giovanni |
spellingShingle |
Maiolino, Marco Fedi, Maurizio Florio, Giovanni ECS approach to model GRACE gravity data ... |
author_facet |
Maiolino, Marco Fedi, Maurizio Florio, Giovanni |
author_sort |
Maiolino, Marco |
title |
ECS approach to model GRACE gravity data ... |
title_short |
ECS approach to model GRACE gravity data ... |
title_full |
ECS approach to model GRACE gravity data ... |
title_fullStr |
ECS approach to model GRACE gravity data ... |
title_full_unstemmed |
ECS approach to model GRACE gravity data ... |
title_sort |
ecs approach to model grace gravity data ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-2740 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019137 |
long_lat |
ENVELOPE(-16.823,-16.823,64.420,64.420) |
geographic |
Greenland Vatnajökull |
geographic_facet |
Greenland Vatnajökull |
genre |
Greenland Ice cap Ice Sheet Vatnajökull |
genre_facet |
Greenland Ice cap Ice Sheet Vatnajökull |
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/iugg23-2740 |
_version_ |
1772182798689370112 |