Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations

This paper develops a spatial and comparative approach focused on the accessibility during a volcanic crisis. After an assessment of the resources and populations exposed, it leads to a cartography of the territorial isolation risk in case of lahars. This indirect risk is modeled using road accessib...

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Autores principales:	Frédéric Leone, Jean-Christophe Komorowski, Monique Gherardi-Leone, Guillaume Lalubie, Thierry Lesales, Jean-Raphaël Gros-Désormeaux, Julien Deymier
Formato:	article
Lenguaje:	DE EN FR IT PT
Publicado:	Unité Mixte de Recherche 8504 Géographie-cités 2018
Materias:	volcanic risk exposure accessibility spatial modelling Geography (General) G1-922
Acceso en línea:	https://doaj.org/article/c5039b2d8f854f259dd04b06142258c8
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id	oai:doaj.org-article:c5039b2d8f854f259dd04b06142258c8
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spelling	oai:doaj.org-article:c5039b2d8f854f259dd04b06142258c82021-12-02T11:19:18ZAccessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations1278-336610.4000/cybergeo.29425https://doaj.org/article/c5039b2d8f854f259dd04b06142258c82018-10-01T00:00:00Zhttp://journals.openedition.org/cybergeo/29425https://doaj.org/toc/1278-3366This paper develops a spatial and comparative approach focused on the accessibility during a volcanic crisis. After an assessment of the resources and populations exposed, it leads to a cartography of the territorial isolation risk in case of lahars. This indirect risk is modeled using road accessibility graph-based calculations and indicators taking into account the specific vulnerability of river crossings and historical lahars knowledge. Another application of these calculations concerns the evacuation of populations by providing an optimized zonation of evacuation while showing its potential gain on the road network load. These results are integrated in two prototypes of evacuation maps intended for the authorities. The situation of Guadeloupe is more worrying than Martinique’s one due to the quantity of exposed stakes, the potential losses of accessibility, and the increased activity of its volcano, La Soufrière.Frédéric LeoneJean-Christophe KomorowskiMonique Gherardi-LeoneGuillaume LalubieThierry LesalesJean-Raphaël Gros-DésormeauxJulien DeymierUnité Mixte de Recherche 8504 Géographie-citésarticlevolcanic riskexposureaccessibilityspatial modellingGeography (General)G1-922DEENFRITPTCybergeo (2018)
institution	DOAJ
collection	DOAJ
language	DE EN FR IT PT
topic	volcanic risk exposure accessibility spatial modelling Geography (General) G1-922
spellingShingle	volcanic risk exposure accessibility spatial modelling Geography (General) G1-922 Frédéric Leone Jean-Christophe Komorowski Monique Gherardi-Leone Guillaume Lalubie Thierry Lesales Jean-Raphaël Gros-Désormeaux Julien Deymier Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
description	This paper develops a spatial and comparative approach focused on the accessibility during a volcanic crisis. After an assessment of the resources and populations exposed, it leads to a cartography of the territorial isolation risk in case of lahars. This indirect risk is modeled using road accessibility graph-based calculations and indicators taking into account the specific vulnerability of river crossings and historical lahars knowledge. Another application of these calculations concerns the evacuation of populations by providing an optimized zonation of evacuation while showing its potential gain on the road network load. These results are integrated in two prototypes of evacuation maps intended for the authorities. The situation of Guadeloupe is more worrying than Martinique’s one due to the quantity of exposed stakes, the potential losses of accessibility, and the increased activity of its volcano, La Soufrière.
format	article
author	Frédéric Leone Jean-Christophe Komorowski Monique Gherardi-Leone Guillaume Lalubie Thierry Lesales Jean-Raphaël Gros-Désormeaux Julien Deymier
author_facet	Frédéric Leone Jean-Christophe Komorowski Monique Gherardi-Leone Guillaume Lalubie Thierry Lesales Jean-Raphaël Gros-Désormeaux Julien Deymier
author_sort	Frédéric Leone
title	Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
title_short	Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
title_full	Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
title_fullStr	Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
title_full_unstemmed	Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations
title_sort	accessibilité territoriale et gestion de crise volcanique aux antilles françaises (guadeloupe & martinique) : contribution à la planification des évacuations
publisher	Unité Mixte de Recherche 8504 Géographie-cités
publishDate	2018
url	https://doaj.org/article/c5039b2d8f854f259dd04b06142258c8
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Accessibilité territoriale et gestion de crise volcanique aux Antilles françaises (Guadeloupe & Martinique) : contribution à la planification des évacuations

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