Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps
[Departement_IRSTEA]Eaux [TR1_IRSTEA]RIVAGE International audience The Laurichard active rock glacier is the permafrost-related landform with the longest record of monitoring in France, including an annual geodetic survey, repeated geoelectrical campaigns from 1979 onwards and continuous recording o...
Published in: | Permafrost and Periglacial Processes |
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Main Authors: | , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2009
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Subjects: | |
Online Access: | https://hal.inrae.fr/hal-02592365 https://doi.org/10.1002/ppp.665 |
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Open Polar |
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AgroParisTech: HAL (Institut des sciences et industries du vivant et de l'environnement) |
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language |
English |
topic |
rock glacier surface kinematics DC resistivity climate controls French Alps [SDE]Environmental Sciences |
spellingShingle |
rock glacier surface kinematics DC resistivity climate controls French Alps [SDE]Environmental Sciences Bodin, X. Thibert, Emmanuel Fabre, D. Ribolini, A. Schoeneich, Philippe Francou, B. Reynaud, L. Fort, Myriam Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
topic_facet |
rock glacier surface kinematics DC resistivity climate controls French Alps [SDE]Environmental Sciences |
description |
[Departement_IRSTEA]Eaux [TR1_IRSTEA]RIVAGE International audience The Laurichard active rock glacier is the permafrost-related landform with the longest record of monitoring in France, including an annual geodetic survey, repeated geoelectrical campaigns from 1979 onwards and continuous recording of ground temperature since 2003. These data were used to examine changes in creep rates and internal structure from 1986 to 2006. The control that climatic variables exert on rock glacier kinematics was investigated over three time scales. Between the 1980s and the early 2000s, the main observed changes were a general increase in surface velocity and a decrease in internal resistivity. At a multi-year scale, the high correlation between surface movement and snow thickness in the preceding December appears to confirm the importance of snow cover conditions in early winter through their influence on the ground thermal regime. A comparison of surface velocities, regional climatic datasets and ground sub-surface temperatures over six years suggests a strong relation between rock glacier deformation and ground temperature, as well as a role for liquid water due to melt of thick snow cover. Finally, unusual surface lowering that accompanied peak velocities in 2004 may be due to a general thaw of the top of the permafrost, probably caused both by two successive snowy winters and by high energy inputs during the warm summer of 2003. |
author2 |
Pôle de recherche pour l'organisation et la diffusion de l'information géographique (PRODIG (UMR_8586 / UMR_D_215 / UM_115)) Université Paris 1 Panthéon-Sorbonne (UP1)-Institut de Recherche pour le Développement (IRD)-AgroParisTech-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Université Joseph Fourier - Grenoble 1 - Institut de géographie alpine (UJF IGA) Université Joseph Fourier - Grenoble 1 (UJF) Érosion torrentielle, neige et avalanches (UR ETGR (ETNA)) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) Parc national des Ecrins Conservatoire National des Arts et Métiers CNAM (CNAM) HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM) DEPT SC DELLA TERRA UNIVERSITE DE PISA ITA Partenaires IRSTEA Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Laboratoire d'étude des transferts en hydrologie et environnement (LTHE) 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)-Institut de Recherche pour le Développement (IRD)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS) Institut de Recherche pour le Développement (IRD) Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Bodin, X. Thibert, Emmanuel Fabre, D. Ribolini, A. Schoeneich, Philippe Francou, B. Reynaud, L. Fort, Myriam |
author_facet |
Bodin, X. Thibert, Emmanuel Fabre, D. Ribolini, A. Schoeneich, Philippe Francou, B. Reynaud, L. Fort, Myriam |
author_sort |
Bodin, X. |
title |
Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
title_short |
Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
title_full |
Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
title_fullStr |
Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
title_full_unstemmed |
Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps |
title_sort |
two decades of responses (1986-2006) to climate by the laurichard rock glacier, french alps |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.inrae.fr/hal-02592365 https://doi.org/10.1002/ppp.665 |
genre |
permafrost Permafrost and Periglacial Processes |
genre_facet |
permafrost Permafrost and Periglacial Processes |
op_source |
ISSN: 1045-6740 EISSN: 1099-1530 Permafrost and Periglacial Processes https://hal.inrae.fr/hal-02592365 Permafrost and Periglacial Processes, 2009, 20 (4), pp.331-334. ⟨10.1002/ppp.665⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/ppp.665 hal-02592365 https://hal.inrae.fr/hal-02592365 doi:10.1002/ppp.665 IRSTEA: PUB00027291 WOS: 000273091700003 |
op_doi |
https://doi.org/10.1002/ppp.665 |
container_title |
Permafrost and Periglacial Processes |
container_volume |
20 |
container_issue |
4 |
container_start_page |
331 |
op_container_end_page |
344 |
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1796951669138784256 |
spelling |
ftagroparistech:oai:HAL:hal-02592365v1 2024-04-21T08:10:17+00:00 Two Decades of Responses (1986-2006) to Climate by the Laurichard Rock Glacier, French Alps Vingt années de réponse climatique (1986-2006) du Glacier du Lauarichard, Alpes Françaises Bodin, X. Thibert, Emmanuel Fabre, D. Ribolini, A. Schoeneich, Philippe Francou, B. Reynaud, L. Fort, Myriam Pôle de recherche pour l'organisation et la diffusion de l'information géographique (PRODIG (UMR_8586 / UMR_D_215 / UM_115)) Université Paris 1 Panthéon-Sorbonne (UP1)-Institut de Recherche pour le Développement (IRD)-AgroParisTech-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Université Joseph Fourier - Grenoble 1 - Institut de géographie alpine (UJF IGA) Université Joseph Fourier - Grenoble 1 (UJF) Érosion torrentielle, neige et avalanches (UR ETGR (ETNA)) Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) Parc national des Ecrins Conservatoire National des Arts et Métiers CNAM (CNAM) HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM) DEPT SC DELLA TERRA UNIVERSITE DE PISA ITA Partenaires IRSTEA Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) Laboratoire d'étude des transferts en hydrologie et environnement (LTHE) 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)-Institut de Recherche pour le Développement (IRD)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS) Institut de Recherche pour le Développement (IRD) Centre National de la Recherche Scientifique (CNRS) 2009-10 https://hal.inrae.fr/hal-02592365 https://doi.org/10.1002/ppp.665 en eng HAL CCSD Wiley info:eu-repo/semantics/altIdentifier/doi/10.1002/ppp.665 hal-02592365 https://hal.inrae.fr/hal-02592365 doi:10.1002/ppp.665 IRSTEA: PUB00027291 WOS: 000273091700003 ISSN: 1045-6740 EISSN: 1099-1530 Permafrost and Periglacial Processes https://hal.inrae.fr/hal-02592365 Permafrost and Periglacial Processes, 2009, 20 (4), pp.331-334. ⟨10.1002/ppp.665⟩ rock glacier surface kinematics DC resistivity climate controls French Alps [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2009 ftagroparistech https://doi.org/10.1002/ppp.665 2024-04-11T00:40:44Z [Departement_IRSTEA]Eaux [TR1_IRSTEA]RIVAGE International audience The Laurichard active rock glacier is the permafrost-related landform with the longest record of monitoring in France, including an annual geodetic survey, repeated geoelectrical campaigns from 1979 onwards and continuous recording of ground temperature since 2003. These data were used to examine changes in creep rates and internal structure from 1986 to 2006. The control that climatic variables exert on rock glacier kinematics was investigated over three time scales. Between the 1980s and the early 2000s, the main observed changes were a general increase in surface velocity and a decrease in internal resistivity. At a multi-year scale, the high correlation between surface movement and snow thickness in the preceding December appears to confirm the importance of snow cover conditions in early winter through their influence on the ground thermal regime. A comparison of surface velocities, regional climatic datasets and ground sub-surface temperatures over six years suggests a strong relation between rock glacier deformation and ground temperature, as well as a role for liquid water due to melt of thick snow cover. Finally, unusual surface lowering that accompanied peak velocities in 2004 may be due to a general thaw of the top of the permafrost, probably caused both by two successive snowy winters and by high energy inputs during the warm summer of 2003. Article in Journal/Newspaper permafrost Permafrost and Periglacial Processes AgroParisTech: HAL (Institut des sciences et industries du vivant et de l'environnement) Permafrost and Periglacial Processes 20 4 331 344 |