Cartographies préventives du risque lié aux " crues rapides " dans le nord de la France
Identifieur interne : 000429 ( Hal/Curation ); précédent : 000428; suivant : 000430Cartographies préventives du risque lié aux " crues rapides " dans le nord de la France
Auteurs : Johnny Douvinet [France] ; Daniel Delahaye [France] ; Patrice Langlois [France]Source :
Descripteurs français
Abstract
This article aims to better assess the risk due to flash floods occurring at the end of the spring or during summer in the north of the Parisian Basin. Most of the hydrological studies focused in this area on classical floods as overflowing and water table rising but not on floods rarely occurring in dry valleys. Based on sensitive and relevant parameters observed at two various scales, such approach might address to the stakeholders and to the risk managements a few preventive maps. The mapping firstly defines the flash floods risk at a regional scale comparing urban densities and the spatial distribution of sensitive watersheds to hazard. The latter are identified according to morphological characteristics. This exploratory approach permits us to detect high degree of risk in several bottom valleys due to the strong land lobby. Another mapping is secondly defined at local scales. Influence of the structural efficiency of a catchment is combined with the distribution of houses within the studied watershed. Our knowledge on exposed areas and those of local expert advices validate results. So, this approach gives satisfying results and should be used to anticipate exposed urban areas.
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IDEES - Batiment IRED Université de ROUEN 7 Rue Thomas Becket 76821 MONT SAINT AIGNAN FRANCE</addrLine><country key="FR"></country></address><ref type="url">http://www.umr-idees.fr/</ref></desc><listRelation><relation active="#struct-300266" type="direct"></relation><relation active="#struct-300317" type="direct"></relation><relation active="#struct-300318" type="direct"></relation><relation name="UMR6266" active="#struct-441569" type="direct"></relation></listRelation><tutelles><tutelle active="#struct-300266" type="direct"><org type="institution" xml:id="struct-300266" status="INCOMING"><orgName>Université de Caen Basse-Normandie</orgName><desc><address><country key="FR"></country></address></desc></org></tutelle><tutelle active="#struct-300317" type="direct"><org type="institution" xml:id="struct-300317" status="VALID"><orgName>Université du Havre</orgName><desc><address><country key="FR"></country></address></desc></org></tutelle><tutelle active="#struct-300318" type="direct"><org type="institution" xml:id="struct-300318" status="VALID"><orgName>Université de Rouen</orgName><desc><address><addrLine> 1 rue Thomas Becket - 76821 Mont-Saint-Aignan</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-rouen.fr/</ref></desc></org></tutelle><tutelle name="UMR6266" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Caen</settlement><region type="region" nuts="2">Basse-Normandie</region></placeName><orgName type="university">Université de Caen Basse-Normandie</orgName><placeName><settlement type="city">Le Havre</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université du Havre</orgName><placeName><settlement type="city">Rouen</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="fr"><term>Bassin parisien</term><term>cartographies préventives</term><term>crues rapides</term><term>morphologie</term><term>risque</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This article aims to better assess the risk due to flash floods occurring at the end of the spring or during summer in the north of the Parisian Basin. Most of the hydrological studies focused in this area on classical floods as overflowing and water table rising but not on floods rarely occurring in dry valleys. Based on sensitive and relevant parameters observed at two various scales, such approach might address to the stakeholders and to the risk managements a few preventive maps. The mapping firstly defines the flash floods risk at a regional scale comparing urban densities and the spatial distribution of sensitive watersheds to hazard. The latter are identified according to morphological characteristics. This exploratory approach permits us to detect high degree of risk in several bottom valleys due to the strong land lobby. Another mapping is secondly defined at local scales. Influence of the structural efficiency of a catchment is combined with the distribution of houses within the studied watershed. Our knowledge on exposed areas and those of local expert advices validate results. So, this approach gives satisfying results and should be used to anticipate exposed urban areas.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="fr">Cartographies préventives du risque lié aux " crues rapides " dans le nord de la France</title><author role="aut"><persName><forename type="first">Johnny</forename><surname>Douvinet</surname></persName><email>johnny.douvinet@univ-avignon.fr</email><idno type="idhal">johnny-douvinet</idno><idno type="halauthor">475020</idno><idno type="ORCID">http://orcid.org/0000-0002-2434-1999</idno><affiliation ref="#struct-87217"></affiliation></author><author role="aut"><persName><forename type="first">Daniel</forename><surname>Delahaye</surname></persName><email>daniel.delahaye@unicaen.fr</email><idno type="halauthor">95617</idno><affiliation ref="#struct-929"></affiliation></author><author role="aut"><persName><forename type="first">Patrice</forename><surname>Langlois</surname></persName><email>patrice.langlois@univ-rouen.fr</email><idno type="halauthor">95618</idno><affiliation ref="#struct-97036"></affiliation></author><editor role="depositor"><persName><forename>Johnny</forename><surname>Douvinet</surname></persName><email>johnny.douvinet@univ-avignon.fr</email></editor><funder>ACI SYMBAD (2004-2007) PSDR Grand Ouest (2009-2013)</funder></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2011-09-01 16:49:24</date><date type="whenWritten">2010-02-17</date><date type="whenModified">2016-03-09 16:41:34</date><date type="whenReleased">2011-09-06 11:56:26</date><date type="whenProduced">2009-03-04</date><date type="whenEndEmbargoed">2011-09-01</date><ref type="file" target="https://halshs.archives-ouvertes.fr/halshs-00614880/document"><date notBefore="2011-09-01"></date></ref><ref type="file" subtype="publisherAgreement" n="1" target="https://halshs.archives-ouvertes.fr/halshs-00614880/file/TQ2009_ARTICLE_68.pdf"><date notBefore="2011-09-01"></date></ref></edition><respStmt><resp>contributor</resp><name key="110955"><persName><forename>Johnny</forename><surname>Douvinet</surname></persName><email>johnny.douvinet@univ-avignon.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">halshs-00614880</idno><idno type="halUri">https://halshs.archives-ouvertes.fr/halshs-00614880</idno><idno type="halBibtex">douvinet:halshs-00614880</idno><idno type="halRefHtml">Nouvelles rencontres de ThéoQuant, Mar 2009, Besançon, France. pp.1-14, 2010</idno><idno type="halRef">Nouvelles rencontres de ThéoQuant, Mar 2009, Besançon, France. pp.1-14, 2010</idno></publicationStmt><seriesStmt><idno type="stamp" n="SHS">Sciences de l'Homme et de la Société</idno><idno type="stamp" n="UNICE">Université Nice Sophia Antipolis</idno><idno type="stamp" n="UNIV-NANTES">Université de Nantes</idno><idno type="stamp" n="UNIV-AVIGNON">Université d'Avignon</idno><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno><idno type="stamp" n="UNIV-CAEN">Université de Caen</idno><idno type="stamp" n="UNIV-LEHAVRE">Université du Havre</idno><idno type="stamp" n="UNIV-ROUEN">Université de Rouen</idno><idno type="stamp" n="LETG">Littoral, environnement, télédétection, géomatique</idno><idno type="stamp" n="UNIV-BREST">Université de Bretagne occidentale - Brest</idno><idno type="stamp" n="AO-GEOGRAPHIE">Archives ouvertes de la Géographie</idno><idno type="stamp" n="ESPACE">Études des structures, des processus d'adaptation et des changements des espaces</idno><idno type="stamp" n="ESPACE_AVIGNON" p="ESPACE">AVIGNON</idno><idno type="stamp" n="GIP-BE">GIP Bretagne Environnement</idno><idno type="stamp" n="LETG-GEOPHEN" p="LETG">LETG-GEOPHEN</idno><idno type="stamp" n="UNIV-ANGERS">Université d'Angers</idno><idno type="stamp" n="COMUE-NORMANDIE">Normandie Université</idno><idno type="stamp" n="UR2-HB">Université Rennes 2 - Haute Bretagne</idno><idno type="stamp" n="UNIV-AMU">Aix Marseille Université</idno></seriesStmt><notesStmt><note type="audience" n="3">National</note><note type="invited" n="0">No</note><note type="popular" n="0">No</note><note type="peer" n="1">Yes</note><note type="proceedings" n="1">Yes</note></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="fr">Cartographies préventives du risque lié aux " crues rapides " dans le nord de la France</title><author role="aut"><persName><forename type="first">Johnny</forename><surname>Douvinet</surname></persName><email>johnny.douvinet@univ-avignon.fr</email><idno type="idHal">johnny-douvinet</idno><idno type="halAuthorId">475020</idno><idno type="ORCID">http://orcid.org/0000-0002-2434-1999</idno><affiliation ref="#struct-87217"></affiliation></author><author role="aut"><persName><forename type="first">Daniel</forename><surname>Delahaye</surname></persName><email>daniel.delahaye@unicaen.fr</email><idno type="halAuthorId">95617</idno><affiliation ref="#struct-929"></affiliation></author><author role="aut"><persName><forename type="first">Patrice</forename><surname>Langlois</surname></persName><email>patrice.langlois@univ-rouen.fr</email><idno type="halAuthorId">95618</idno><affiliation ref="#struct-97036"></affiliation></author></analytic><monogr><title level="m">Actes des nouvelles rencontres de ThéoQuant</title><meeting><title>Nouvelles rencontres de ThéoQuant</title><date type="start">2009-03-04</date><date type="end">2009-03-06</date><settlement>Besançon</settlement><country key="FR">France</country></meeting><imprint><biblScope unit="issue">68</biblScope><biblScope unit="pp">1-14</biblScope><date type="datePub">2010-04-15</date></imprint></monogr></biblStruct></sourceDesc><profileDesc><langUsage><language ident="fr">French</language></langUsage><textClass><keywords scheme="author"><term xml:lang="fr">crues rapides</term><term xml:lang="fr">risque</term><term xml:lang="fr">Bassin parisien</term><term xml:lang="fr">morphologie</term><term xml:lang="fr">cartographies préventives</term></keywords><classCode scheme="halDomain" n="shs.geo">Humanities and Social Sciences/Geography</classCode><classCode scheme="halTypology" n="COMM">Conference papers</classCode></textClass><abstract xml:lang="en">This article aims to better assess the risk due to flash floods occurring at the end of the spring or during summer in the north of the Parisian Basin. Most of the hydrological studies focused in this area on classical floods as overflowing and water table rising but not on floods rarely occurring in dry valleys. Based on sensitive and relevant parameters observed at two various scales, such approach might address to the stakeholders and to the risk managements a few preventive maps. The mapping firstly defines the flash floods risk at a regional scale comparing urban densities and the spatial distribution of sensitive watersheds to hazard. The latter are identified according to morphological characteristics. This exploratory approach permits us to detect high degree of risk in several bottom valleys due to the strong land lobby. Another mapping is secondly defined at local scales. Influence of the structural efficiency of a catchment is combined with the distribution of houses within the studied watershed. Our knowledge on exposed areas and those of local expert advices validate results. So, this approach gives satisfying results and should be used to anticipate exposed urban areas.</abstract><abstract xml:lang="fr">Le risque lié aux " crues rapides " printanières et estivales constitue une préoccupation grandissante dans les régions du nord de la France (bassin parisien). Cependant, peu d'études ont été menées sur ce type de phénomènes et les analyses hydrologiques se sont essentiellement focalisées sur les inondations par débordement ou par remontée de nappes. Dans le cadre de cette recherche, nous proposons alors d'offrir aux gestionnaires du risque des cartographies préventives sur l'aléa " crues rapides ", et ce à deux niveaux d'observation. Une première spatialisation des zones à risque à une échelle régionale a été réalisée en confrontant la localisation des bassins versants sensibles à l'aléa aux foyers de population. Cette approche exploratoire permet de voir que le risque est élevé dans certaines vallées du fait de la forte pression foncière. En croisant l'efficacité structurelle interne des bassins versants, mesurée par l'automate cellulaire RuiCells, à la distribution spatiale des zones bâties aux échelles fines, il est possible d'affiner le diagnostic régional en passant à une échelle " intra-bassin ". Les cartes proposées sur quelques bassins versants paraissent conformes à notre connaissance du terrain et aux dires des experts locaux. Ces essais cartographiques donnent des résultats encourageants qui pourraient, à court terme, améliorer la prise en compte de ce risque encore mal connu et sous-estimé dans ces régions.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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