Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)?
International audience In Iceland, the Late Weichselian deglaciation led to paraglacial topographic readjustments in the form of extensivedeep-seated gravitational slope deformation (DSGSD) and large rockslope failures (landslides and rock-avalanches).Here we provide age estimates for the Stí"...
Published in: | Géomorphologie : relief, processus, environnement |
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Online Access: | https://doi.org/10.4000/geomorphologie.11295 https://hal.archives-ouvertes.fr/hal-01318136 |
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fttriple:oai:gotriple.eu:10670/1.mzgh8j 2023-05-15T16:44:49+02:00 Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? Coquin, Julien Mercier, Denis Bourgeois, Olivier Feuillet, Thierry Decaulne, Armelle Littoral, Environnement, Télédétection, Géomatique (LETG - Nantes) Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN) Université de Nantes (UN)-Université de Nantes (UN)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Université de Brest (UBO)-Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) Espaces, Nature et Culture (ENeC) Université Paris-Sorbonne (UP4)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Planétologie et Géodynamique UMR 6112 (LPG) Université d'Angers (UA)-Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) Université de Nantes (UN)-Université de Nantes (UN)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire Dynamiques Sociales et Recomposition des Espaces (LADYSS) Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris 8 Vincennes-Saint-Denis (UP8)-Université Paris Nanterre (UPN)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) 2016-01-01 https://doi.org/10.4000/geomorphologie.11295 https://hal.archives-ouvertes.fr/hal-01318136 en eng HAL CCSD Groupe français de géomorphologie (GFG) hal-01318136 doi:10.4000/geomorphologie.11295 10670/1.mzgh8j https://hal.archives-ouvertes.fr/hal-01318136 undefined Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 1266-5304 EISSN: 1957-777X Géomorphologie : relief, processus, environnement Géomorphologie : relief, processus, environnement, Groupe français de géomorphologie (GFG), 2016, 22 (1), pp.9-24. ⟨10.4000/geomorphologie.11295⟩ Landslide Holocene Paraglacial Geomorphology Iceland geo envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2016 fttriple https://doi.org/10.4000/geomorphologie.11295 2023-01-22T16:38:32Z International audience In Iceland, the Late Weichselian deglaciation led to paraglacial topographic readjustments in the form of extensivedeep-seated gravitational slope deformation (DSGSD) and large rockslope failures (landslides and rock-avalanches).Here we provide age estimates for the Stí" uhólar landslide (Tröllaskagi Peninsula, Northern Central Iceland),which indicate that this occurred between the end of the Late Weichselian deglaciation (15-13 ka cal. yr. BP) and8200 ± 1400 cal. yr. BP. Our surface observations also suggest that the Stífluhólar landslide was probably initiatedby propagation and connection of DSGSD failure planes. This observation suggests that the DSGSD can act as aprecursor for landsliding in paraglacial settings. However, further investigations are still required to fully assess therole of DSGSD as a landslide precursor, both at the local and at a regional scale. Comparisons with other examplesof paraglacial rock slope failures in Northern Iceland and in the world suggest that DSGSD is not the main orsuficient precondition for large landslides. The landslide of Stífluhólar occurred due to some combination offavorable preconditioning, predisposing and triggering controls. Predisposing controls include: the favourable dipof the bedding planes in the basaltic bedrock and the presence of intercalated poorly cohesive layers of palagonitebetween the lava layers, probably acting as basal sliding planes for the landslide. Article in Journal/Newspaper Iceland Unknown Skagafjörður ENVELOPE(-19.561,-19.561,65.875,65.875) Géomorphologie : relief, processus, environnement 22 1 9 24 |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
Landslide Holocene Paraglacial Geomorphology Iceland geo envir |
spellingShingle |
Landslide Holocene Paraglacial Geomorphology Iceland geo envir Coquin, Julien Mercier, Denis Bourgeois, Olivier Feuillet, Thierry Decaulne, Armelle Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
topic_facet |
Landslide Holocene Paraglacial Geomorphology Iceland geo envir |
description |
International audience In Iceland, the Late Weichselian deglaciation led to paraglacial topographic readjustments in the form of extensivedeep-seated gravitational slope deformation (DSGSD) and large rockslope failures (landslides and rock-avalanches).Here we provide age estimates for the Stí" uhólar landslide (Tröllaskagi Peninsula, Northern Central Iceland),which indicate that this occurred between the end of the Late Weichselian deglaciation (15-13 ka cal. yr. BP) and8200 ± 1400 cal. yr. BP. Our surface observations also suggest that the Stífluhólar landslide was probably initiatedby propagation and connection of DSGSD failure planes. This observation suggests that the DSGSD can act as aprecursor for landsliding in paraglacial settings. However, further investigations are still required to fully assess therole of DSGSD as a landslide precursor, both at the local and at a regional scale. Comparisons with other examplesof paraglacial rock slope failures in Northern Iceland and in the world suggest that DSGSD is not the main orsuficient precondition for large landslides. The landslide of Stífluhólar occurred due to some combination offavorable preconditioning, predisposing and triggering controls. Predisposing controls include: the favourable dipof the bedding planes in the basaltic bedrock and the presence of intercalated poorly cohesive layers of palagonitebetween the lava layers, probably acting as basal sliding planes for the landslide. |
author2 |
Littoral, Environnement, Télédétection, Géomatique (LETG - Nantes) Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN) Université de Nantes (UN)-Université de Nantes (UN)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Université de Brest (UBO)-Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) Espaces, Nature et Culture (ENeC) Université Paris-Sorbonne (UP4)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Planétologie et Géodynamique UMR 6112 (LPG) Université d'Angers (UA)-Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST) Université de Nantes (UN)-Université de Nantes (UN)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire Dynamiques Sociales et Recomposition des Espaces (LADYSS) Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris 8 Vincennes-Saint-Denis (UP8)-Université Paris Nanterre (UPN)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Coquin, Julien Mercier, Denis Bourgeois, Olivier Feuillet, Thierry Decaulne, Armelle |
author_facet |
Coquin, Julien Mercier, Denis Bourgeois, Olivier Feuillet, Thierry Decaulne, Armelle |
author_sort |
Coquin, Julien |
title |
Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
title_short |
Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
title_full |
Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
title_fullStr |
Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
title_full_unstemmed |
Is gravitational spreading a precursor for the Stífluhólar landslide (Skagafjörður, Northern Iceland)? |
title_sort |
is gravitational spreading a precursor for the stífluhólar landslide (skagafjörður, northern iceland)? |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://doi.org/10.4000/geomorphologie.11295 https://hal.archives-ouvertes.fr/hal-01318136 |
long_lat |
ENVELOPE(-19.561,-19.561,65.875,65.875) |
geographic |
Skagafjörður |
geographic_facet |
Skagafjörður |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 1266-5304 EISSN: 1957-777X Géomorphologie : relief, processus, environnement Géomorphologie : relief, processus, environnement, Groupe français de géomorphologie (GFG), 2016, 22 (1), pp.9-24. ⟨10.4000/geomorphologie.11295⟩ |
op_relation |
hal-01318136 doi:10.4000/geomorphologie.11295 10670/1.mzgh8j https://hal.archives-ouvertes.fr/hal-01318136 |
op_rights |
undefined |
op_doi |
https://doi.org/10.4000/geomorphologie.11295 |
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Géomorphologie : relief, processus, environnement |
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22 |
container_issue |
1 |
container_start_page |
9 |
op_container_end_page |
24 |
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