Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland)
International audience This paper presents latest results from the combined use of SAR (Synthetic Aperture Radar) remote sensing and GIS providing detailed insights into recent volcanic activity under Vatnajökull ice cap (Iceland). Glaciers atop active volcanoes pose a constant potential danger to a...
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ftccsdartic:oai:HAL:hal-00299470v1 2023-05-15T16:21:45+02:00 Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) Scharrer, K. Malservisi, R. Mayer, Ch. Spieler, O. Münzer, U. Department für Geo-und Umweltwissenschaften München Ludwig-Maximilians-Universität München (LMU) Bavarian Academy of Sciences and Humanities Commission for Glaciology 2007-11-27 https://hal.archives-ouvertes.fr/hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470/document https://hal.archives-ouvertes.fr/hal-00299470/file/nhess-7-717-2007.pdf en eng HAL CCSD Copernicus Publ. / European Geosciences Union hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470/document https://hal.archives-ouvertes.fr/hal-00299470/file/nhess-7-717-2007.pdf info:eu-repo/semantics/OpenAccess ISSN: 1561-8633 EISSN: 1684-9981 Natural Hazards and Earth System Sciences https://hal.archives-ouvertes.fr/hal-00299470 Natural Hazards and Earth System Sciences, Copernicus Publ. / European Geosciences Union, 2007, 7 (6), pp.717-722 [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2007 ftccsdartic 2021-08-21T23:04:17Z International audience This paper presents latest results from the combined use of SAR (Synthetic Aperture Radar) remote sensing and GIS providing detailed insights into recent volcanic activity under Vatnajökull ice cap (Iceland). Glaciers atop active volcanoes pose a constant potential danger to adjacent inhabited regions and infrastructure. Besides the usual volcanic hazards (lava flows, pyroclastic clouds, tephra falls, etc.), the volcano-ice interaction leads to enormous meltwater torrents (icelandic: jökulhlaup), devastating large areas in the surroundings of the affected glacier. The presented monitoring strategy addresses the three crucial questions: When will an eruption occur, where is the eruption site and which area is endangered by the accompanying jökulhlaup. Therefore, sufficient early-warning and hazard zonation for future subglacial volcanic eruptions becomes possible, as demonstrated for the Bardárbunga volcano under the northern parts of Vatnajökull. Seismic activity revealed unrest at the northern flanks of Bardárbunga caldera at the end of September 2006. The exact location of the corresponding active vent and therefore a potentially eruptive area could be detected by continuous ENVISAT-ASAR monitoring. With this knowledge a precise prediction of peri-glacial regions prone to a devastating outburst flood accompanying a possible future eruption is possible. Article in Journal/Newspaper glacier Ice cap Iceland Vatnajökull Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Asar ENVELOPE(134.033,134.033,68.667,68.667) Vatnajökull ENVELOPE(-16.823,-16.823,64.420,64.420) |
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.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Scharrer, K. Malservisi, R. Mayer, Ch. Spieler, O. Münzer, U. Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
topic_facet |
[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience This paper presents latest results from the combined use of SAR (Synthetic Aperture Radar) remote sensing and GIS providing detailed insights into recent volcanic activity under Vatnajökull ice cap (Iceland). Glaciers atop active volcanoes pose a constant potential danger to adjacent inhabited regions and infrastructure. Besides the usual volcanic hazards (lava flows, pyroclastic clouds, tephra falls, etc.), the volcano-ice interaction leads to enormous meltwater torrents (icelandic: jökulhlaup), devastating large areas in the surroundings of the affected glacier. The presented monitoring strategy addresses the three crucial questions: When will an eruption occur, where is the eruption site and which area is endangered by the accompanying jökulhlaup. Therefore, sufficient early-warning and hazard zonation for future subglacial volcanic eruptions becomes possible, as demonstrated for the Bardárbunga volcano under the northern parts of Vatnajökull. Seismic activity revealed unrest at the northern flanks of Bardárbunga caldera at the end of September 2006. The exact location of the corresponding active vent and therefore a potentially eruptive area could be detected by continuous ENVISAT-ASAR monitoring. With this knowledge a precise prediction of peri-glacial regions prone to a devastating outburst flood accompanying a possible future eruption is possible. |
author2 |
Department für Geo-und Umweltwissenschaften München Ludwig-Maximilians-Universität München (LMU) Bavarian Academy of Sciences and Humanities Commission for Glaciology |
format |
Article in Journal/Newspaper |
author |
Scharrer, K. Malservisi, R. Mayer, Ch. Spieler, O. Münzer, U. |
author_facet |
Scharrer, K. Malservisi, R. Mayer, Ch. Spieler, O. Münzer, U. |
author_sort |
Scharrer, K. |
title |
Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
title_short |
Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
title_full |
Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
title_fullStr |
Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
title_full_unstemmed |
Combination of SAR remote sensing and GIS for monitoring subglacial volcanic activity ? recent results from Vatnajökull ice cap (Iceland) |
title_sort |
combination of sar remote sensing and gis for monitoring subglacial volcanic activity ? recent results from vatnajökull ice cap (iceland) |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.archives-ouvertes.fr/hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470/document https://hal.archives-ouvertes.fr/hal-00299470/file/nhess-7-717-2007.pdf |
long_lat |
ENVELOPE(134.033,134.033,68.667,68.667) ENVELOPE(-16.823,-16.823,64.420,64.420) |
geographic |
Asar Vatnajökull |
geographic_facet |
Asar Vatnajökull |
genre |
glacier Ice cap Iceland Vatnajökull |
genre_facet |
glacier Ice cap Iceland Vatnajökull |
op_source |
ISSN: 1561-8633 EISSN: 1684-9981 Natural Hazards and Earth System Sciences https://hal.archives-ouvertes.fr/hal-00299470 Natural Hazards and Earth System Sciences, Copernicus Publ. / European Geosciences Union, 2007, 7 (6), pp.717-722 |
op_relation |
hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470 https://hal.archives-ouvertes.fr/hal-00299470/document https://hal.archives-ouvertes.fr/hal-00299470/file/nhess-7-717-2007.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1766009735803305984 |