Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ...
<!--!introduction!--> Antarctic glaciers are losing ice rapidly to the ocean through basal melting of ice shelves/tongues. To better predicate future sea level rise, it is urgent to detect the rapid basal melting of ice shelves/tongues as well as ocean’s role in this process. In this study, ba...
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GFZ German Research Centre for Geosciences
2023
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Online Access: | https://dx.doi.org/10.57757/iugg23-1619 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017985 |
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ftdatacite:10.57757/iugg23-1619 2023-07-23T04:15:07+02:00 Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... Wang, Xianwei Nicholls, Keith Lee, Won Sang Lee, Choon Ki Stevens, Craig Holland, David 2023 https://dx.doi.org/10.57757/iugg23-1619 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017985 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/iugg23-1619 2023-07-03T16:18:25Z <!--!introduction!--> Antarctic glaciers are losing ice rapidly to the ocean through basal melting of ice shelves/tongues. To better predicate future sea level rise, it is urgent to detect the rapid basal melting of ice shelves/tongues as well as ocean’s role in this process. In this study, basal melting of Drygalski Ice Tongue (DIT), the seaward extension of David Glacier in Northern Victoria Land, East Antarctica has been detected using a surface deployed Autonomous Phase-sensitive Radio-Echo-Sounder (ApRES). The ocean water changes adjacent to DIT front has been revealed using an ocean mooring. ApRES observation suggests a rapid basal melting > 10 m/a close to DIT front in February and mooring data shows a synchronous ocean warming in austral summer, indicating Antarctica Surface Water intrusion to the base of DIT. The mooring data has been used to simulate the basal melting of DIT front, which coincides with ApRES measurements. We conclude that rapid basal melting close to the tongue front was ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Antarc* Antarctic Antarctica David Glacier East Antarctica Ice Shelves Victoria Land DataCite Metadata Store (German National Library of Science and Technology) Antarctic East Antarctica Austral Victoria Land Drygalski ENVELOPE(-61.000,-61.000,-64.717,-64.717) Drygalski Ice Tongue ENVELOPE(163.500,163.500,-75.400,-75.400) David Glacier ENVELOPE(160.000,160.000,-75.333,-75.333) |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> Antarctic glaciers are losing ice rapidly to the ocean through basal melting of ice shelves/tongues. To better predicate future sea level rise, it is urgent to detect the rapid basal melting of ice shelves/tongues as well as ocean’s role in this process. In this study, basal melting of Drygalski Ice Tongue (DIT), the seaward extension of David Glacier in Northern Victoria Land, East Antarctica has been detected using a surface deployed Autonomous Phase-sensitive Radio-Echo-Sounder (ApRES). The ocean water changes adjacent to DIT front has been revealed using an ocean mooring. ApRES observation suggests a rapid basal melting > 10 m/a close to DIT front in February and mooring data shows a synchronous ocean warming in austral summer, indicating Antarctica Surface Water intrusion to the base of DIT. The mooring data has been used to simulate the basal melting of DIT front, which coincides with ApRES measurements. We conclude that rapid basal melting close to the tongue front was ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Wang, Xianwei Nicholls, Keith Lee, Won Sang Lee, Choon Ki Stevens, Craig Holland, David |
spellingShingle |
Wang, Xianwei Nicholls, Keith Lee, Won Sang Lee, Choon Ki Stevens, Craig Holland, David Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
author_facet |
Wang, Xianwei Nicholls, Keith Lee, Won Sang Lee, Choon Ki Stevens, Craig Holland, David |
author_sort |
Wang, Xianwei |
title |
Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
title_short |
Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
title_full |
Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
title_fullStr |
Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
title_full_unstemmed |
Antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east Antarctica ... |
title_sort |
antarctic surface water intrusion triggering seasonal rapid basal melting of drygalski ice tongue, east antarctica ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-1619 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017985 |
long_lat |
ENVELOPE(-61.000,-61.000,-64.717,-64.717) ENVELOPE(163.500,163.500,-75.400,-75.400) ENVELOPE(160.000,160.000,-75.333,-75.333) |
geographic |
Antarctic East Antarctica Austral Victoria Land Drygalski Drygalski Ice Tongue David Glacier |
geographic_facet |
Antarctic East Antarctica Austral Victoria Land Drygalski Drygalski Ice Tongue David Glacier |
genre |
Antarc* Antarctic Antarctica David Glacier East Antarctica Ice Shelves Victoria Land |
genre_facet |
Antarc* Antarctic Antarctica David Glacier East Antarctica Ice Shelves Victoria Land |
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/iugg23-1619 |
_version_ |
1772189115162296320 |