Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations
International audience Since 2003, a monitoring program has been conducted on several glaciers and glacierets in the Pascua-Lama region of the Chilean Andes (29◦S/70◦W; 5000 m a.s.l.), permitting the study of glaciological processes on ice bodies in a subtropical, arid, high-elevation area where no...
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Online Access: | https://hal-insu.archives-ouvertes.fr/insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498/document https://hal-insu.archives-ouvertes.fr/insu-00843498/file/tc-5-1029-2011.pdf https://doi.org/10.5194/tc-5-1029-2011 |
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ftccsdartic:oai:HAL:insu-00843498v1 2023-05-15T18:32:14+02:00 Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations Rabatel, A. Castebrunet, H. Favier, V. Nicholson, L. Kinnard, C. Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS) Groupe d'étude de l'atmosphère météorologique (CNRM-GAME) Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS) Institut für Geographie Innsbruck Universität Innsbruck Innsbruck Centro de Estudios Avanzados en Zonas Aridas (CEAZA) 2011-11-22 https://hal-insu.archives-ouvertes.fr/insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498/document https://hal-insu.archives-ouvertes.fr/insu-00843498/file/tc-5-1029-2011.pdf https://doi.org/10.5194/tc-5-1029-2011 en eng HAL CCSD Copernicus info:eu-repo/semantics/altIdentifier/doi/10.5194/tc-5-1029-2011 insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498/document https://hal-insu.archives-ouvertes.fr/insu-00843498/file/tc-5-1029-2011.pdf doi:10.5194/tc-5-1029-2011 info:eu-repo/semantics/OpenAccess ISSN: 1994-0424 EISSN: 1994-0416 The Cryosphere https://hal-insu.archives-ouvertes.fr/insu-00843498 The Cryosphere, Copernicus 2011, 5, pp.1029- 1041. ⟨10.5194/tc-5-1029-2011⟩ [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2011 ftccsdartic https://doi.org/10.5194/tc-5-1029-2011 2021-10-24T14:51:14Z International audience Since 2003, a monitoring program has been conducted on several glaciers and glacierets in the Pascua-Lama region of the Chilean Andes (29◦S/70◦W; 5000 m a.s.l.), permitting the study of glaciological processes on ice bodies in a subtropical, arid, high-elevation area where no measurements were previously available. In this paper we present: (1) six years of glaciological surface mass balance measurements from four ice bodies in the area, including a discussion of the nature of the studied glaciers and glacierets and characterization of the importance of winter mass balance to annual mass balance variability; and (2) changes in surface area of twenty ice bodies in the region since 1955, reconstructed from aerial photographs and satellite images, which shows that the total glaciated surface area reduced by ∼29 % between 1955 and 2007, and that the rate of surface area shrinkage increased in the late 20th century. Based on these datasets we present a first interpretation of glacier changes in relation with climatic parameters at both local and regional scales. Article in Journal/Newspaper The Cryosphere Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) The Cryosphere 5 4 1029 1041 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences Rabatel, A. Castebrunet, H. Favier, V. Nicholson, L. Kinnard, C. Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
topic_facet |
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience Since 2003, a monitoring program has been conducted on several glaciers and glacierets in the Pascua-Lama region of the Chilean Andes (29◦S/70◦W; 5000 m a.s.l.), permitting the study of glaciological processes on ice bodies in a subtropical, arid, high-elevation area where no measurements were previously available. In this paper we present: (1) six years of glaciological surface mass balance measurements from four ice bodies in the area, including a discussion of the nature of the studied glaciers and glacierets and characterization of the importance of winter mass balance to annual mass balance variability; and (2) changes in surface area of twenty ice bodies in the region since 1955, reconstructed from aerial photographs and satellite images, which shows that the total glaciated surface area reduced by ∼29 % between 1955 and 2007, and that the rate of surface area shrinkage increased in the late 20th century. Based on these datasets we present a first interpretation of glacier changes in relation with climatic parameters at both local and regional scales. |
author2 |
Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS) Groupe d'étude de l'atmosphère météorologique (CNRM-GAME) Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS) Institut für Geographie Innsbruck Universität Innsbruck Innsbruck Centro de Estudios Avanzados en Zonas Aridas (CEAZA) |
format |
Article in Journal/Newspaper |
author |
Rabatel, A. Castebrunet, H. Favier, V. Nicholson, L. Kinnard, C. |
author_facet |
Rabatel, A. Castebrunet, H. Favier, V. Nicholson, L. Kinnard, C. |
author_sort |
Rabatel, A. |
title |
Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
title_short |
Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
title_full |
Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
title_fullStr |
Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
title_full_unstemmed |
Glacier changes in the Pascua-Lama region, Chilean Andes (29° S): recent mass balance and 50 yr surface area variations |
title_sort |
glacier changes in the pascua-lama region, chilean andes (29° s): recent mass balance and 50 yr surface area variations |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal-insu.archives-ouvertes.fr/insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498/document https://hal-insu.archives-ouvertes.fr/insu-00843498/file/tc-5-1029-2011.pdf https://doi.org/10.5194/tc-5-1029-2011 |
genre |
The Cryosphere |
genre_facet |
The Cryosphere |
op_source |
ISSN: 1994-0424 EISSN: 1994-0416 The Cryosphere https://hal-insu.archives-ouvertes.fr/insu-00843498 The Cryosphere, Copernicus 2011, 5, pp.1029- 1041. ⟨10.5194/tc-5-1029-2011⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/tc-5-1029-2011 insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498 https://hal-insu.archives-ouvertes.fr/insu-00843498/document https://hal-insu.archives-ouvertes.fr/insu-00843498/file/tc-5-1029-2011.pdf doi:10.5194/tc-5-1029-2011 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/tc-5-1029-2011 |
container_title |
The Cryosphere |
container_volume |
5 |
container_issue |
4 |
container_start_page |
1029 |
op_container_end_page |
1041 |
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