The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ...
<!--!introduction!--> In East Antarctica, melt maxima observed near ice-shelf grounding lines have been attributed to katabatic winds. Despite being a characteristically cool, dense airflow, this wind is responsible for warm-air anomalies along the Antarctic coastline due to disruption of the...
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GFZ German Research Centre for Geosciences
2023
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ftdatacite:10.57757/iugg23-2293 2023-07-23T04:15:52+02:00 The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... Elvidge, Andrew 2023 https://dx.doi.org/10.57757/iugg23-2293 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018471 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/iugg23-2293 2023-07-03T18:07:05Z <!--!introduction!--> In East Antarctica, melt maxima observed near ice-shelf grounding lines have been attributed to katabatic winds. Despite being a characteristically cool, dense airflow, this wind is responsible for warm-air anomalies along the Antarctic coastline due to disruption of the surface temperature inversion that typically pervades here. However, this offers an incomplete explanation for the large local amplifications in melt observed (such as a doubling for Roi Baudouin Ice Shelf), implying that a true mechanistic understanding of how downslope flows mediate air temperatures and melt at the foot of the Antarctic plateau is lacking. Here, we use ground observations from AWS located on and upstream of Roi Baudouin Ice Shelf in tandem with atmospheric reanalysis data to identify the meteorological regimes responsible for this melt, and to explain the physical mechanisms by which these regimes deliver heat to the ice shelf. ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Antarc* Antarctic Antarctica East Antarctica Ice Shelf DataCite Metadata Store (German National Library of Science and Technology) Antarctic The Antarctic East Antarctica Roi Baudouin ENVELOPE(24.461,24.461,-70.438,-70.438) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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<!--!introduction!--> In East Antarctica, melt maxima observed near ice-shelf grounding lines have been attributed to katabatic winds. Despite being a characteristically cool, dense airflow, this wind is responsible for warm-air anomalies along the Antarctic coastline due to disruption of the surface temperature inversion that typically pervades here. However, this offers an incomplete explanation for the large local amplifications in melt observed (such as a doubling for Roi Baudouin Ice Shelf), implying that a true mechanistic understanding of how downslope flows mediate air temperatures and melt at the foot of the Antarctic plateau is lacking. Here, we use ground observations from AWS located on and upstream of Roi Baudouin Ice Shelf in tandem with atmospheric reanalysis data to identify the meteorological regimes responsible for this melt, and to explain the physical mechanisms by which these regimes deliver heat to the ice shelf. ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Elvidge, Andrew |
spellingShingle |
Elvidge, Andrew The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
author_facet |
Elvidge, Andrew |
author_sort |
Elvidge, Andrew |
title |
The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
title_short |
The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
title_full |
The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
title_fullStr |
The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
title_full_unstemmed |
The meteorological drivers of elevated surface melt over the grounding zone of Roi Baudouin Ice Shelf ... |
title_sort |
meteorological drivers of elevated surface melt over the grounding zone of roi baudouin ice shelf ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-2293 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018471 |
long_lat |
ENVELOPE(24.461,24.461,-70.438,-70.438) |
geographic |
Antarctic The Antarctic East Antarctica Roi Baudouin |
geographic_facet |
Antarctic The Antarctic East Antarctica Roi Baudouin |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Shelf |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Shelf |
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/iugg23-2293 |
_version_ |
1772177000396488704 |