Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events
Over the last century, the increase in snow accumulation has partly mitigated the total dynamic Antarctic Ice Sheet mass loss. However, the mechanisms behind this increase are poorly understood. Here we analyze the Antarctic Ice Sheet atmospheric moisture budget based on climate reanalysis and model...
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Online Access: | http://hdl.handle.net/2078.1/239937 https://doi.org/10.1038/s43247-020-00062-x |
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ftunivlouvain:oai:dial.uclouvain.be:boreal:239937 2024-05-12T07:54:47+00:00 Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events Dalaiden, Quentin Goosse, Hugues Lenaerts, Jan T. M. Cavitte, Marie Henderson, Naomi UCL - SST/ELI/ELIC - Earth & Climate 2020 http://hdl.handle.net/2078.1/239937 https://doi.org/10.1038/s43247-020-00062-x eng eng Springer Science and Business Media LLC boreal:239937 http://hdl.handle.net/2078.1/239937 doi:10.1038/s43247-020-00062-x urn:EISSN:2662-4435 info:eu-repo/semantics/openAccess Communications Earth & Environment, Vol. 1, no. 1, p. 9 (2020) info:eu-repo/semantics/article 2020 ftunivlouvain https://doi.org/10.1038/s43247-020-00062-x 2024-04-17T16:42:12Z Over the last century, the increase in snow accumulation has partly mitigated the total dynamic Antarctic Ice Sheet mass loss. However, the mechanisms behind this increase are poorly understood. Here we analyze the Antarctic Ice Sheet atmospheric moisture budget based on climate reanalysis and model simulations to reveal that the interannual variability of regional snow accumulation is controlled by both the large-scale atmospheric circulation and short-lived synoptic-scale events (i.e. storm systems). Yet, when considering the entire continent at the multi-decadal scale, only the synoptic-scale events can explain the recent and expected future snow accumulation increase. In a warmer climate induced by climate change, these synoptic-scale events transport air that can contain more humidity due to the increasing temperatures leading to more precipitation on the continent. Our findings highlight that the multi-decadal and interannual snow accumulation variability is governed by different processes, and that we thus cannot rely directly on the mechanisms driving interannual variations to predict long-term changes in snow accumulation in the future. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet DIAL@UCLouvain (Université catholique de Louvain) Antarctic The Antarctic Communications Earth & Environment 1 1 |
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DIAL@UCLouvain (Université catholique de Louvain) |
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ftunivlouvain |
language |
English |
description |
Over the last century, the increase in snow accumulation has partly mitigated the total dynamic Antarctic Ice Sheet mass loss. However, the mechanisms behind this increase are poorly understood. Here we analyze the Antarctic Ice Sheet atmospheric moisture budget based on climate reanalysis and model simulations to reveal that the interannual variability of regional snow accumulation is controlled by both the large-scale atmospheric circulation and short-lived synoptic-scale events (i.e. storm systems). Yet, when considering the entire continent at the multi-decadal scale, only the synoptic-scale events can explain the recent and expected future snow accumulation increase. In a warmer climate induced by climate change, these synoptic-scale events transport air that can contain more humidity due to the increasing temperatures leading to more precipitation on the continent. Our findings highlight that the multi-decadal and interannual snow accumulation variability is governed by different processes, and that we thus cannot rely directly on the mechanisms driving interannual variations to predict long-term changes in snow accumulation in the future. |
author2 |
UCL - SST/ELI/ELIC - Earth & Climate |
format |
Article in Journal/Newspaper |
author |
Dalaiden, Quentin Goosse, Hugues Lenaerts, Jan T. M. Cavitte, Marie Henderson, Naomi |
spellingShingle |
Dalaiden, Quentin Goosse, Hugues Lenaerts, Jan T. M. Cavitte, Marie Henderson, Naomi Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
author_facet |
Dalaiden, Quentin Goosse, Hugues Lenaerts, Jan T. M. Cavitte, Marie Henderson, Naomi |
author_sort |
Dalaiden, Quentin |
title |
Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
title_short |
Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
title_full |
Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
title_fullStr |
Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
title_full_unstemmed |
Future Antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
title_sort |
future antarctic snow accumulation trend is dominated by atmospheric synoptic-scale events |
publisher |
Springer Science and Business Media LLC |
publishDate |
2020 |
url |
http://hdl.handle.net/2078.1/239937 https://doi.org/10.1038/s43247-020-00062-x |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Ice Sheet |
genre_facet |
Antarc* Antarctic Ice Sheet |
op_source |
Communications Earth & Environment, Vol. 1, no. 1, p. 9 (2020) |
op_relation |
boreal:239937 http://hdl.handle.net/2078.1/239937 doi:10.1038/s43247-020-00062-x urn:EISSN:2662-4435 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1038/s43247-020-00062-x |
container_title |
Communications Earth & Environment |
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1 |
container_issue |
1 |
_version_ |
1798852237423804416 |