Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica
To fully exploit data from the Gravity Recovery and Climate Experiment (GRACE), we separate geophysical signals observed by GRACE in Antarctica by deriving high-spatial resolution maps for present-day glacial isostatic adjustment (GIA) and ice-mass changes with the least possible noise level. For th...
Published in: | Geophysical Research Letters |
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Online Access: | http://resolver.tudelft.nl/uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f https://doi.org/10.1029/2018GL079670 |
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fttudelft:oai:tudelft.nl:uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f 2024-04-28T07:54:43+00:00 Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica Engels, Olga (author) Gunter, B.C. (author) Riva, R.E.M. (author) Klees, R. (author) 2018-01-01 http://resolver.tudelft.nl/uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f https://doi.org/10.1029/2018GL079670 en eng http://www.scopus.com/inward/record.url?scp=85057126085&partnerID=8YFLogxK Geophysical Research Letters--0094-8276--06456208-fd35-4a1a-bb03-32af520213ad http://resolver.tudelft.nl/uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f https://doi.org/10.1029/2018GL079670 © 2018 Olga Engels, B.C. Gunter, R.E.M. Riva, R. Klees Antarctica data-driven approach GIA GRACE post-processing high spatial resolution ice mass changes journal article 2018 fttudelft https://doi.org/10.1029/2018GL079670 2024-04-09T23:49:51Z To fully exploit data from the Gravity Recovery and Climate Experiment (GRACE), we separate geophysical signals observed by GRACE in Antarctica by deriving high-spatial resolution maps for present-day glacial isostatic adjustment (GIA) and ice-mass changes with the least possible noise level. For this, we simultaneously (i) improve the postprocessing of gravity data and (ii) consistently combine them with high-resolution data from Ice Cloud and land Elevation Satellite altimeter (ICESat) and Regional Atmospheric Climate Model 2.3 (RACMO). We use GPS observations to discriminate between various candidate spatial patterns of vertical motions caused by GIA. The ICESat-RACMO combination determines the spatial resolution of estimated ice-mass changes. The results suggest the capability of the developed approach to retrieve the complex spatial pattern of present-day GIA, such as a pronounced subsidence in the proximity of the Kamb Ice Stream and pronounced uplift in the Amundsen Sea Sector. Physical and Space Geodesy Article in Journal/Newspaper Amundsen Sea Antarc* Antarctica Kamb Ice Stream Delft University of Technology: Institutional Repository Geophysical Research Letters 45 22 12,340 12,349 |
institution |
Open Polar |
collection |
Delft University of Technology: Institutional Repository |
op_collection_id |
fttudelft |
language |
English |
topic |
Antarctica data-driven approach GIA GRACE post-processing high spatial resolution ice mass changes |
spellingShingle |
Antarctica data-driven approach GIA GRACE post-processing high spatial resolution ice mass changes Engels, Olga (author) Gunter, B.C. (author) Riva, R.E.M. (author) Klees, R. (author) Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
topic_facet |
Antarctica data-driven approach GIA GRACE post-processing high spatial resolution ice mass changes |
description |
To fully exploit data from the Gravity Recovery and Climate Experiment (GRACE), we separate geophysical signals observed by GRACE in Antarctica by deriving high-spatial resolution maps for present-day glacial isostatic adjustment (GIA) and ice-mass changes with the least possible noise level. For this, we simultaneously (i) improve the postprocessing of gravity data and (ii) consistently combine them with high-resolution data from Ice Cloud and land Elevation Satellite altimeter (ICESat) and Regional Atmospheric Climate Model 2.3 (RACMO). We use GPS observations to discriminate between various candidate spatial patterns of vertical motions caused by GIA. The ICESat-RACMO combination determines the spatial resolution of estimated ice-mass changes. The results suggest the capability of the developed approach to retrieve the complex spatial pattern of present-day GIA, such as a pronounced subsidence in the proximity of the Kamb Ice Stream and pronounced uplift in the Amundsen Sea Sector. Physical and Space Geodesy |
format |
Article in Journal/Newspaper |
author |
Engels, Olga (author) Gunter, B.C. (author) Riva, R.E.M. (author) Klees, R. (author) |
author_facet |
Engels, Olga (author) Gunter, B.C. (author) Riva, R.E.M. (author) Klees, R. (author) |
author_sort |
Engels, Olga (author) |
title |
Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
title_short |
Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
title_full |
Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
title_fullStr |
Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
title_full_unstemmed |
Separating Geophysical Signals Using GRACE and High-Resolution Data: A Case Study in Antarctica |
title_sort |
separating geophysical signals using grace and high-resolution data: a case study in antarctica |
publishDate |
2018 |
url |
http://resolver.tudelft.nl/uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f https://doi.org/10.1029/2018GL079670 |
genre |
Amundsen Sea Antarc* Antarctica Kamb Ice Stream |
genre_facet |
Amundsen Sea Antarc* Antarctica Kamb Ice Stream |
op_relation |
http://www.scopus.com/inward/record.url?scp=85057126085&partnerID=8YFLogxK Geophysical Research Letters--0094-8276--06456208-fd35-4a1a-bb03-32af520213ad http://resolver.tudelft.nl/uuid:be1dc9c7-6aac-477b-b22d-e95c2cbeb01f https://doi.org/10.1029/2018GL079670 |
op_rights |
© 2018 Olga Engels, B.C. Gunter, R.E.M. Riva, R. Klees |
op_doi |
https://doi.org/10.1029/2018GL079670 |
container_title |
Geophysical Research Letters |
container_volume |
45 |
container_issue |
22 |
container_start_page |
12,340 |
op_container_end_page |
12,349 |
_version_ |
1797576729934430208 |