Multi-method monitoring of Glacier d’Argentière dynamics
International audience The flow of Glacier d’Argentière, French Alps, has been extensively studied by glaciologistsfor >100 years, but high-temporal- and high-spatial-resolution monitoring of its dynamics has rarelybeen carried out. In this paper, the terminal part of the main glacier was selecte...
Published in: | Annals of Glaciology |
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Main Authors: | , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2015
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Subjects: | |
Online Access: | https://hal.archives-ouvertes.fr/hal-01154174 https://hal.archives-ouvertes.fr/hal-01154174/document https://hal.archives-ouvertes.fr/hal-01154174/file/div-class-title-multi-method-monitoring-of-glacier-d-argentiere-dynamics-div.pdf https://doi.org/10.3189/2015AoG70A985 |
Summary: | International audience The flow of Glacier d’Argentière, French Alps, has been extensively studied by glaciologistsfor >100 years, but high-temporal- and high-spatial-resolution monitoring of its dynamics has rarelybeen carried out. In this paper, the terminal part of the main glacier was selected to undertake such asurvey. The 2 month experiment (September–November 2013) included remote sensing to map thevelocity field of the whole area, and a network of in situ measurements to record the ice velocity at thesurface as well as at the base of the glacier with high precision and at high temporal resolution. Thesemonitoring methods are combined to produce a comprehensive and reliable picture of the ice flow.Basal and surface in situ measurements are used to precisely monitor the temporal variability of the iceflow at a section of the glacier where crevassed areas and non-cracked ice coexist. The achieved resultsare an innovative and efficient tool to investigate the acceleration/deceleration pattern heterogeneitiesin ice flow that occur after heavy rainfall |
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