Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean
The ongoing retreat of glaciers at southern sub-polar latitudes is particularly rapid and widespread. Akin to northern sub-polar latitudes, this retreat is generally assumed to be linked to warming. However, no long-term and well-constrained glacier modeling has ever been performed to confirm this h...
Published in: | Scientific Reports |
---|---|
Main Authors: | , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Nature Publishing Group
2016
|
Subjects: | |
Online Access: | https://archimer.ifremer.fr/doc/00488/60016/63266.pdf https://archimer.ifremer.fr/doc/00488/60016/63267.pdf https://doi.org/10.1038/srep32396 https://archimer.ifremer.fr/doc/00488/60016/ |
id |
ftarchimer:oai:archimer.ifremer.fr:60016 |
---|---|
record_format |
openpolar |
spelling |
ftarchimer:oai:archimer.ifremer.fr:60016 2023-05-15T16:38:14+02:00 Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean Favier, V. Verfaillie, D. Berthier, E. Menegoz, M. Jomelli, V. Kay, J. E. Ducret, L. Malbeteau, Y. Brunstein, D. Gallee, H. Park, Y. -h. Rinterknecht, V. 2016-09 application/pdf https://archimer.ifremer.fr/doc/00488/60016/63266.pdf https://archimer.ifremer.fr/doc/00488/60016/63267.pdf https://doi.org/10.1038/srep32396 https://archimer.ifremer.fr/doc/00488/60016/ eng eng Nature Publishing Group https://archimer.ifremer.fr/doc/00488/60016/63266.pdf https://archimer.ifremer.fr/doc/00488/60016/63267.pdf doi:10.1038/srep32396 https://archimer.ifremer.fr/doc/00488/60016/ info:eu-repo/semantics/openAccess restricted use Scientific Reports (2045-2322) (Nature Publishing Group), 2016-09 , Vol. 6 , N. 32396 , P. 12p. text Publication info:eu-repo/semantics/article 2016 ftarchimer https://doi.org/10.1038/srep32396 2021-09-23T20:32:23Z The ongoing retreat of glaciers at southern sub-polar latitudes is particularly rapid and widespread. Akin to northern sub-polar latitudes, this retreat is generally assumed to be linked to warming. However, no long-term and well-constrained glacier modeling has ever been performed to confirm this hypothesis. Here, we model the Cook Ice Cap mass balance on the Kerguelen Islands (Southern Indian Ocean, 49 degrees S) since the 1850s. We show that glacier wastage during the 2000s in the Kerguelen was among the most dramatic on Earth. We attribute 77% of the increasingly negative mass balance since the 1960s to atmospheric drying associated with a poleward shift of the mid-latitude storm track. Because precipitation modeling is very challenging for the current generation of climate models over the study area, models incorrectly simulate the climate drivers behind the recent glacier wastage in the Kerguelen. This suggests that future glacier wastage projections should be considered cautiously where changes in atmospheric circulation are expected. Article in Journal/Newspaper Ice cap Kerguelen Islands Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Indian Kerguelen Kerguelen Islands Scientific Reports 6 1 |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
description |
The ongoing retreat of glaciers at southern sub-polar latitudes is particularly rapid and widespread. Akin to northern sub-polar latitudes, this retreat is generally assumed to be linked to warming. However, no long-term and well-constrained glacier modeling has ever been performed to confirm this hypothesis. Here, we model the Cook Ice Cap mass balance on the Kerguelen Islands (Southern Indian Ocean, 49 degrees S) since the 1850s. We show that glacier wastage during the 2000s in the Kerguelen was among the most dramatic on Earth. We attribute 77% of the increasingly negative mass balance since the 1960s to atmospheric drying associated with a poleward shift of the mid-latitude storm track. Because precipitation modeling is very challenging for the current generation of climate models over the study area, models incorrectly simulate the climate drivers behind the recent glacier wastage in the Kerguelen. This suggests that future glacier wastage projections should be considered cautiously where changes in atmospheric circulation are expected. |
format |
Article in Journal/Newspaper |
author |
Favier, V. Verfaillie, D. Berthier, E. Menegoz, M. Jomelli, V. Kay, J. E. Ducret, L. Malbeteau, Y. Brunstein, D. Gallee, H. Park, Y. -h. Rinterknecht, V. |
spellingShingle |
Favier, V. Verfaillie, D. Berthier, E. Menegoz, M. Jomelli, V. Kay, J. E. Ducret, L. Malbeteau, Y. Brunstein, D. Gallee, H. Park, Y. -h. Rinterknecht, V. Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
author_facet |
Favier, V. Verfaillie, D. Berthier, E. Menegoz, M. Jomelli, V. Kay, J. E. Ducret, L. Malbeteau, Y. Brunstein, D. Gallee, H. Park, Y. -h. Rinterknecht, V. |
author_sort |
Favier, V. |
title |
Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
title_short |
Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
title_full |
Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
title_fullStr |
Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
title_full_unstemmed |
Atmospheric drying as the main driver of dramatic glacier wastage in the southern Indian Ocean |
title_sort |
atmospheric drying as the main driver of dramatic glacier wastage in the southern indian ocean |
publisher |
Nature Publishing Group |
publishDate |
2016 |
url |
https://archimer.ifremer.fr/doc/00488/60016/63266.pdf https://archimer.ifremer.fr/doc/00488/60016/63267.pdf https://doi.org/10.1038/srep32396 https://archimer.ifremer.fr/doc/00488/60016/ |
geographic |
Indian Kerguelen Kerguelen Islands |
geographic_facet |
Indian Kerguelen Kerguelen Islands |
genre |
Ice cap Kerguelen Islands |
genre_facet |
Ice cap Kerguelen Islands |
op_source |
Scientific Reports (2045-2322) (Nature Publishing Group), 2016-09 , Vol. 6 , N. 32396 , P. 12p. |
op_relation |
https://archimer.ifremer.fr/doc/00488/60016/63266.pdf https://archimer.ifremer.fr/doc/00488/60016/63267.pdf doi:10.1038/srep32396 https://archimer.ifremer.fr/doc/00488/60016/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1038/srep32396 |
container_title |
Scientific Reports |
container_volume |
6 |
container_issue |
1 |
_version_ |
1766028520873525248 |