Analysis of spatial interactions in the run-off process

The level of risk is defined by two standards : uncertainty and vulnerability. The latter is commonly estimated by an overlay of the different information layers, in order to obtain a local quantitative measure of the exposed properties. This approach is convenient for hazardous events clearly delim...

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Autores principales:	Daniel Delahaye, Yves Guermond, Patrice Langlois
Formato:	article
Lenguaje:	DE EN FR IT PT
Publicado:	Unité Mixte de Recherche 8504 Géographie-cités 2002
Materias:	cellular automata runoff dynamic system GIS Pays-de-Caux simulation Geography (General) G1-922
Acceso en línea:	https://doaj.org/article/e5161452fe72458f9412ae5585bfb956
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id	oai:doaj.org-article:e5161452fe72458f9412ae5585bfb956
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spelling	oai:doaj.org-article:e5161452fe72458f9412ae5585bfb9562021-12-02T11:15:44ZAnalysis of spatial interactions in the run-off process1278-336610.4000/cybergeo.3795https://doaj.org/article/e5161452fe72458f9412ae5585bfb9562002-05-01T00:00:00Zhttp://journals.openedition.org/cybergeo/3795https://doaj.org/toc/1278-3366The level of risk is defined by two standards : uncertainty and vulnerability. The latter is commonly estimated by an overlay of the different information layers, in order to obtain a local quantitative measure of the exposed properties. This approach is convenient for hazardous events clearly delimited and without any spatial diffusion, such as landslides or soil pollution. This approach is however soon bounded in the case of a dynamic process, such as the hydrological hazard. The overlay of different data gives a valuable appreciation of the streaming surfaces, but this remains insufficient to express the spatial dynamics of the flow. The global sensibility of a basin is not merely the sum of the local sensibilities. The global hazard is defined by the spatial organisation of the production or infiltration areas, and by their mutual relations, which validates the cellular automata approach to measure the level of organisation of the sensitive areas and to model the diffusion of the flows between these areas.Daniel DelahayeYves GuermondPatrice LangloisUnité Mixte de Recherche 8504 Géographie-citésarticlecellular automatarunoffdynamic systemGISPays-de-CauxsimulationGeography (General)G1-922DEENFRITPTCybergeo (2002)
institution	DOAJ
collection	DOAJ
language	DE EN FR IT PT
topic	cellular automata runoff dynamic system GIS Pays-de-Caux simulation Geography (General) G1-922
spellingShingle	cellular automata runoff dynamic system GIS Pays-de-Caux simulation Geography (General) G1-922 Daniel Delahaye Yves Guermond Patrice Langlois Analysis of spatial interactions in the run-off process
description	The level of risk is defined by two standards : uncertainty and vulnerability. The latter is commonly estimated by an overlay of the different information layers, in order to obtain a local quantitative measure of the exposed properties. This approach is convenient for hazardous events clearly delimited and without any spatial diffusion, such as landslides or soil pollution. This approach is however soon bounded in the case of a dynamic process, such as the hydrological hazard. The overlay of different data gives a valuable appreciation of the streaming surfaces, but this remains insufficient to express the spatial dynamics of the flow. The global sensibility of a basin is not merely the sum of the local sensibilities. The global hazard is defined by the spatial organisation of the production or infiltration areas, and by their mutual relations, which validates the cellular automata approach to measure the level of organisation of the sensitive areas and to model the diffusion of the flows between these areas.
format	article
author	Daniel Delahaye Yves Guermond Patrice Langlois
author_facet	Daniel Delahaye Yves Guermond Patrice Langlois
author_sort	Daniel Delahaye
title	Analysis of spatial interactions in the run-off process
title_short	Analysis of spatial interactions in the run-off process
title_full	Analysis of spatial interactions in the run-off process
title_fullStr	Analysis of spatial interactions in the run-off process
title_full_unstemmed	Analysis of spatial interactions in the run-off process
title_sort	analysis of spatial interactions in the run-off process
publisher	Unité Mixte de Recherche 8504 Géographie-cités
publishDate	2002
url	https://doaj.org/article/e5161452fe72458f9412ae5585bfb956
work_keys_str_mv	AT danieldelahaye analysisofspatialinteractionsintherunoffprocess AT yvesguermond analysisofspatialinteractionsintherunoffprocess AT patricelanglois analysisofspatialinteractionsintherunoffprocess
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Analysis of spatial interactions in the run-off process

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