The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica
International audience A record of accumulation and ablation from a network of 47 stakes at a coastal blue-ice area in Terre Adélie, Antarctica, is presented and analyzed. The record covers early 2004 to early 2006, from 25 field surveys including some in austral winter. The two years are very diffe...
Published in: | Journal of Glaciology |
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Main Authors: | , , |
Other Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2007
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Subjects: | |
Online Access: | https://hal-insu.archives-ouvertes.fr/insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314/document https://hal-insu.archives-ouvertes.fr/insu-00376314/file/the-surface-accumulation-and-ablation-of-a-coastal-blue-ice-area-near-cap-prudhomme-terre-adelie-antarctica.pdf https://doi.org/10.3189/002214307784409333 |
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ftunivnantes:oai:HAL:insu-00376314v1 |
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openpolar |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
[SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology |
spellingShingle |
[SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology Genthon, Christophe Lardeux, Pierre Krinner, Gerhard The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
topic_facet |
[SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology |
description |
International audience A record of accumulation and ablation from a network of 47 stakes at a coastal blue-ice area in Terre Adélie, Antarctica, is presented and analyzed. The record covers early 2004 to early 2006, from 25 field surveys including some in austral winter. The two years are very different, with a virtually null surface mass balance during the 2004 winter but large accumulation during the 2005 winter. A snow/ice energy- and mass-balance model is used to reproduce the accumulation and ablation record. A parameterization for snow erosion by wind is included. Input meteorology is from the European Centre for Medium-Range Weather Forecasts (ECMWF) analyses and forecasts, corrected using 1 year of local meteorological observations from an automatic weather station. Model results agree reasonably well with the observations. Wind erosion is the largest contributor to ablation, removing much of the precipitation. Sublimation and, to a lesser extent, melt/runoff together account for >60 cm w.e. of ablation in 2 years, mainly in summer. Although the record is short, it confirms high interannual variability and thus high sensitivity to meteorology and climate. Monitoring and understanding the mass balance of such coastal blue-ice areas may help monitor and detect climate change in the Antarctic coastal regions. |
author2 |
Laboratoire de glaciologie et géophysique de l'environnement (LGGE) 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 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)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Genthon, Christophe Lardeux, Pierre Krinner, Gerhard |
author_facet |
Genthon, Christophe Lardeux, Pierre Krinner, Gerhard |
author_sort |
Genthon, Christophe |
title |
The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
title_short |
The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
title_full |
The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
title_fullStr |
The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
title_full_unstemmed |
The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica |
title_sort |
surface accumulation and ablation of a coastal blue-ice area near cap prudhomme, terre adélie, antarctica |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal-insu.archives-ouvertes.fr/insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314/document https://hal-insu.archives-ouvertes.fr/insu-00376314/file/the-surface-accumulation-and-ablation-of-a-coastal-blue-ice-area-near-cap-prudhomme-terre-adelie-antarctica.pdf https://doi.org/10.3189/002214307784409333 |
long_lat |
ENVELOPE(139.000,139.000,-67.000,-67.000) ENVELOPE(138.991,138.991,-59.999,-59.999) |
geographic |
Antarctic The Antarctic Austral Terre Adélie Terre-Adélie |
geographic_facet |
Antarctic The Antarctic Austral Terre Adélie Terre-Adélie |
genre |
Antarc* Antarctic Antarctica Journal of Glaciology |
genre_facet |
Antarc* Antarctic Antarctica Journal of Glaciology |
op_source |
ISSN: 0022-1430 EISSN: 1727-5652 Journal of Glaciology https://hal-insu.archives-ouvertes.fr/insu-00376314 Journal of Glaciology, 2007, 53 (183), pp.635 à 645. ⟨10.3189/002214307784409333⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3189/002214307784409333 insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314/document https://hal-insu.archives-ouvertes.fr/insu-00376314/file/the-surface-accumulation-and-ablation-of-a-coastal-blue-ice-area-near-cap-prudhomme-terre-adelie-antarctica.pdf doi:10.3189/002214307784409333 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.3189/002214307784409333 |
container_title |
Journal of Glaciology |
container_volume |
53 |
container_issue |
183 |
container_start_page |
635 |
op_container_end_page |
645 |
_version_ |
1766213566055055360 |
spelling |
ftunivnantes:oai:HAL:insu-00376314v1 2023-05-15T13:45:08+02:00 The surface accumulation and ablation of a coastal blue-ice area near Cap Prudhomme, Terre Adélie, Antarctica Genthon, Christophe Lardeux, Pierre Krinner, Gerhard Laboratoire de glaciologie et géophysique de l'environnement (LGGE) 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 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)-Centre National de la Recherche Scientifique (CNRS) 2007 https://hal-insu.archives-ouvertes.fr/insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314/document https://hal-insu.archives-ouvertes.fr/insu-00376314/file/the-surface-accumulation-and-ablation-of-a-coastal-blue-ice-area-near-cap-prudhomme-terre-adelie-antarctica.pdf https://doi.org/10.3189/002214307784409333 en eng HAL CCSD International Glaciological Society info:eu-repo/semantics/altIdentifier/doi/10.3189/002214307784409333 insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314 https://hal-insu.archives-ouvertes.fr/insu-00376314/document https://hal-insu.archives-ouvertes.fr/insu-00376314/file/the-surface-accumulation-and-ablation-of-a-coastal-blue-ice-area-near-cap-prudhomme-terre-adelie-antarctica.pdf doi:10.3189/002214307784409333 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 0022-1430 EISSN: 1727-5652 Journal of Glaciology https://hal-insu.archives-ouvertes.fr/insu-00376314 Journal of Glaciology, 2007, 53 (183), pp.635 à 645. ⟨10.3189/002214307784409333⟩ [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology info:eu-repo/semantics/article Journal articles 2007 ftunivnantes https://doi.org/10.3189/002214307784409333 2023-03-01T02:05:47Z International audience A record of accumulation and ablation from a network of 47 stakes at a coastal blue-ice area in Terre Adélie, Antarctica, is presented and analyzed. The record covers early 2004 to early 2006, from 25 field surveys including some in austral winter. The two years are very different, with a virtually null surface mass balance during the 2004 winter but large accumulation during the 2005 winter. A snow/ice energy- and mass-balance model is used to reproduce the accumulation and ablation record. A parameterization for snow erosion by wind is included. Input meteorology is from the European Centre for Medium-Range Weather Forecasts (ECMWF) analyses and forecasts, corrected using 1 year of local meteorological observations from an automatic weather station. Model results agree reasonably well with the observations. Wind erosion is the largest contributor to ablation, removing much of the precipitation. Sublimation and, to a lesser extent, melt/runoff together account for >60 cm w.e. of ablation in 2 years, mainly in summer. Although the record is short, it confirms high interannual variability and thus high sensitivity to meteorology and climate. Monitoring and understanding the mass balance of such coastal blue-ice areas may help monitor and detect climate change in the Antarctic coastal regions. Article in Journal/Newspaper Antarc* Antarctic Antarctica Journal of Glaciology Université de Nantes: HAL-UNIV-NANTES Antarctic The Antarctic Austral Terre Adélie ENVELOPE(139.000,139.000,-67.000,-67.000) Terre-Adélie ENVELOPE(138.991,138.991,-59.999,-59.999) Journal of Glaciology 53 183 635 645 |