Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ...
<!--!introduction!--> In recent decades, the Ross Ice Shelf (RIS) has experienced frequent summer surface melting, which accelerates ice loss and increases the instability of ice sheets. This study investigates the remote forcing and local air-ice interaction responsible for the surface meltin...
Main Authors: | , , , |
---|---|
Format: | Conference Object |
Language: | unknown |
Published: |
GFZ German Research Centre for Geosciences
2023
|
Subjects: | |
Online Access: | https://dx.doi.org/10.57757/iugg23-1138 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017459 |
id |
ftdatacite:10.57757/iugg23-1138 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.57757/iugg23-1138 2023-06-11T04:07:02+02:00 Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... Hu, Xiaoming Li, Wenyi Fang, Yingfei Yang, Song 2023 https://dx.doi.org/10.57757/iugg23-1138 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017459 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 ConferencePaper Oral Article 2023 ftdatacite https://doi.org/10.57757/iugg23-1138 2023-06-01T11:55:23Z <!--!introduction!--> In recent decades, the Ross Ice Shelf (RIS) has experienced frequent summer surface melting, which accelerates ice loss and increases the instability of ice sheets. This study investigates the remote forcing and local air-ice interaction responsible for the surface melting process. The northerly wind anomaly over RIS is established as part of a quasi-geostrophic barotropic Rossby wave train from subtropical Australia toward West Antarctica. After the northern wind anomaly is established, the response of the surface energy budget to the warm and moist air intrusion is discussed. By applying Climate Feedback-Response Analysis Method (CFRAM), the temporal surge of the downward longwave (LW) surface radiative fluxes over the Ross Ice Shelf (RIS) and adjacent regions during four historically massive RIS surface melting events are decomposed to identify the main contributor. It is found that the intrusion of warm and humid air flows from lower latitudes conduces to warm air temperature ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Antarc* Antarctica Ice Sheet Ice Shelf Ross Ice Shelf West Antarctica DataCite Metadata Store (German National Library of Science and Technology) Ross Ice Shelf West Antarctica |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
description |
<!--!introduction!--> In recent decades, the Ross Ice Shelf (RIS) has experienced frequent summer surface melting, which accelerates ice loss and increases the instability of ice sheets. This study investigates the remote forcing and local air-ice interaction responsible for the surface melting process. The northerly wind anomaly over RIS is established as part of a quasi-geostrophic barotropic Rossby wave train from subtropical Australia toward West Antarctica. After the northern wind anomaly is established, the response of the surface energy budget to the warm and moist air intrusion is discussed. By applying Climate Feedback-Response Analysis Method (CFRAM), the temporal surge of the downward longwave (LW) surface radiative fluxes over the Ross Ice Shelf (RIS) and adjacent regions during four historically massive RIS surface melting events are decomposed to identify the main contributor. It is found that the intrusion of warm and humid air flows from lower latitudes conduces to warm air temperature ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Hu, Xiaoming Li, Wenyi Fang, Yingfei Yang, Song |
spellingShingle |
Hu, Xiaoming Li, Wenyi Fang, Yingfei Yang, Song Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
author_facet |
Hu, Xiaoming Li, Wenyi Fang, Yingfei Yang, Song |
author_sort |
Hu, Xiaoming |
title |
Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
title_short |
Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
title_full |
Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
title_fullStr |
Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
title_full_unstemmed |
Surface melting events over Ross Ice Sheet: From the local air-ice interaction to the remote forcing ... |
title_sort |
surface melting events over ross ice sheet: from the local air-ice interaction to the remote forcing ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-1138 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017459 |
geographic |
Ross Ice Shelf West Antarctica |
geographic_facet |
Ross Ice Shelf West Antarctica |
genre |
Antarc* Antarctica Ice Sheet Ice Shelf Ross Ice Shelf West Antarctica |
genre_facet |
Antarc* Antarctica Ice Sheet Ice Shelf Ross Ice Shelf West Antarctica |
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/iugg23-1138 |
_version_ |
1768379524014145536 |