Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing
International audience We assess the volume change and mass balance of three ice caps in southern Iceland for two periods, 1979 1984 to 1998 and 1998 to 2004, by comparing digital elevation models (DEMs). The ice caps are Eyjafjallajo¨ kull (ca. 81 km2), Tindfjallajo¨ kull (ca. 15 km2) and Torfajo¨...
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Language: | English |
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ftccsdartic:oai:HAL:hal-00626059v1 2023-05-15T16:09:38+02:00 Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing Gudmundsson, S. Björnsson, Helgi Magnusson, E. Berthier, Etienne Palsson, F. Gudmundsson, M.T. Högnadottir, T. Dall, J. University of Iceland Reykjavik Laboratoire d'études en Géophysique et océanographie spatiales (LEGOS) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP) Météo France-Centre National d'Études Spatiales Toulouse (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS) Institute of Earth Sciences Reykjavik Technical University of Denmark Lyngby (DTU) 2011 https://hal.archives-ouvertes.fr/hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059/document https://hal.archives-ouvertes.fr/hal-00626059/file/7282-26519-1-PB.pdf https://doi.org/10.3402/polar.v30i0.7282 en eng HAL CCSD Co-Action Publishing info:eu-repo/semantics/altIdentifier/doi/10.3402/polar.v30i0.7282 hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059/document https://hal.archives-ouvertes.fr/hal-00626059/file/7282-26519-1-PB.pdf doi:10.3402/polar.v30i0.7282 info:eu-repo/semantics/OpenAccess ISSN: 0800-0395 EISSN: 1751-8369 Polar Research https://hal.archives-ouvertes.fr/hal-00626059 Polar Research, Co-Action Publishing, 2011, 30, pp.7282. ⟨10.3402/polar.v30i0.7282⟩ [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2011 ftccsdartic https://doi.org/10.3402/polar.v30i0.7282 2021-10-24T17:25:04Z International audience We assess the volume change and mass balance of three ice caps in southern Iceland for two periods, 1979 1984 to 1998 and 1998 to 2004, by comparing digital elevation models (DEMs). The ice caps are Eyjafjallajo¨ kull (ca. 81 km2), Tindfjallajo¨ kull (ca. 15 km2) and Torfajo¨ kull (ca. 14 km2). The DEMs were compiled using aerial photographs from 1979 to 1984, airborne Synthetic Aperture Radar (SAR) images obtained in 1998 and two image pairs from the SPOT 5 satellite's high-resolution stereoscopic (HRS) instrument acquired in 2004. The ice-free part of the accurate DEM from 1998 was used as a reference map for co-registration and correction of the vertical offset of the other DEMs. The average specific mass balance was estimated from the mean elevation difference between glaciated areas of the DEMs. The glacier mass balance declined significantly between the two periods: from 0.2 to 0.2 m yr 1 w. eq. during the earlier period (1980s through 1998) to 1.8 to 1.5 m yr 1 w. eq. for the more recent period (1998 2004). The declining mass balance is consistent with increased temperature over the two periods. The low mass balance and the small accumulation area ratio of Tindfjallajo¨ kull and Torfajo¨ kull indicate that they will disappear if the presentday climate continues. The future lowering rate of Eyjafjallajo¨ kull will, however, be influenced by the 2010 subglacial eruption in the Eyjafjallajo¨ kull volcano. Article in Journal/Newspaper Eyjafjallajökull glacier Iceland Polar Research Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Tindfjallajökull ENVELOPE(-19.590,-19.590,63.796,63.796) Torfajökull ENVELOPE(-19.027,-19.027,63.898,63.898) Polar Research 30 1 7282 |
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.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Gudmundsson, S. Björnsson, Helgi Magnusson, E. Berthier, Etienne Palsson, F. Gudmundsson, M.T. Högnadottir, T. Dall, J. Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience We assess the volume change and mass balance of three ice caps in southern Iceland for two periods, 1979 1984 to 1998 and 1998 to 2004, by comparing digital elevation models (DEMs). The ice caps are Eyjafjallajo¨ kull (ca. 81 km2), Tindfjallajo¨ kull (ca. 15 km2) and Torfajo¨ kull (ca. 14 km2). The DEMs were compiled using aerial photographs from 1979 to 1984, airborne Synthetic Aperture Radar (SAR) images obtained in 1998 and two image pairs from the SPOT 5 satellite's high-resolution stereoscopic (HRS) instrument acquired in 2004. The ice-free part of the accurate DEM from 1998 was used as a reference map for co-registration and correction of the vertical offset of the other DEMs. The average specific mass balance was estimated from the mean elevation difference between glaciated areas of the DEMs. The glacier mass balance declined significantly between the two periods: from 0.2 to 0.2 m yr 1 w. eq. during the earlier period (1980s through 1998) to 1.8 to 1.5 m yr 1 w. eq. for the more recent period (1998 2004). The declining mass balance is consistent with increased temperature over the two periods. The low mass balance and the small accumulation area ratio of Tindfjallajo¨ kull and Torfajo¨ kull indicate that they will disappear if the presentday climate continues. The future lowering rate of Eyjafjallajo¨ kull will, however, be influenced by the 2010 subglacial eruption in the Eyjafjallajo¨ kull volcano. |
author2 |
University of Iceland Reykjavik Laboratoire d'études en Géophysique et océanographie spatiales (LEGOS) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP) Météo France-Centre National d'Études Spatiales Toulouse (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS) Institute of Earth Sciences Reykjavik Technical University of Denmark Lyngby (DTU) |
format |
Article in Journal/Newspaper |
author |
Gudmundsson, S. Björnsson, Helgi Magnusson, E. Berthier, Etienne Palsson, F. Gudmundsson, M.T. Högnadottir, T. Dall, J. |
author_facet |
Gudmundsson, S. Björnsson, Helgi Magnusson, E. Berthier, Etienne Palsson, F. Gudmundsson, M.T. Högnadottir, T. Dall, J. |
author_sort |
Gudmundsson, S. |
title |
Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
title_short |
Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
title_full |
Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
title_fullStr |
Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
title_full_unstemmed |
Response of Eyjafjallajökull, Torfajökull and Tindfjallajökull ice caps in Iceland to regional warming, deduced by remote sensing |
title_sort |
response of eyjafjallajökull, torfajökull and tindfjallajökull ice caps in iceland to regional warming, deduced by remote sensing |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.archives-ouvertes.fr/hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059/document https://hal.archives-ouvertes.fr/hal-00626059/file/7282-26519-1-PB.pdf https://doi.org/10.3402/polar.v30i0.7282 |
long_lat |
ENVELOPE(-19.590,-19.590,63.796,63.796) ENVELOPE(-19.027,-19.027,63.898,63.898) |
geographic |
Tindfjallajökull Torfajökull |
geographic_facet |
Tindfjallajökull Torfajökull |
genre |
Eyjafjallajökull glacier Iceland Polar Research |
genre_facet |
Eyjafjallajökull glacier Iceland Polar Research |
op_source |
ISSN: 0800-0395 EISSN: 1751-8369 Polar Research https://hal.archives-ouvertes.fr/hal-00626059 Polar Research, Co-Action Publishing, 2011, 30, pp.7282. ⟨10.3402/polar.v30i0.7282⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3402/polar.v30i0.7282 hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059 https://hal.archives-ouvertes.fr/hal-00626059/document https://hal.archives-ouvertes.fr/hal-00626059/file/7282-26519-1-PB.pdf doi:10.3402/polar.v30i0.7282 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.3402/polar.v30i0.7282 |
container_title |
Polar Research |
container_volume |
30 |
container_issue |
1 |
container_start_page |
7282 |
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1766405487188770816 |