Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco

Detalhes bibliográficos
Autor(a) principal: El-Fengour, Abdelhak
Data de Publicação: 2021
Outros Autores: Bateira, Carlos, El Motaki, Hanifa, García, Horacio
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: https://doi.org/10.21814/physisterrae.2965
Resumo: This paper aims to identify potential areas of landslides in the Amzaz watershed in northern Morocco with its precarious environmental balance using the Information Value (IV) Model. Van Westen (1994) defines bivariate methods as a modified form of the quantitative map combination with the exception that weightings are assigned based upon the statistical relationship between past landslides and various factor maps, individual factor maps (independent variable). A set of factor maps were overlaid with a landslide map (dependent variable) to create cross-tabulations for each one and class. The landslide inventory is used to result in the susceptibility maps for better mitigation of the risks and losses related to this phenomenon. The results demonstrated that the percentage of rotational landslides varies between 8.79 and 30.08%, and between 9.79 and 23.36% for translational slides susceptibility in the Amzaz watershed.
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spelling Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern MoroccoÉvaluation de la sensibilité aux glissements de terrain basée sur un Modèle de Valeur de L'information dans le bassin versant de l'Oued Amzaz au nord du MarocMetodologias em GeomorfologiaThis paper aims to identify potential areas of landslides in the Amzaz watershed in northern Morocco with its precarious environmental balance using the Information Value (IV) Model. Van Westen (1994) defines bivariate methods as a modified form of the quantitative map combination with the exception that weightings are assigned based upon the statistical relationship between past landslides and various factor maps, individual factor maps (independent variable). A set of factor maps were overlaid with a landslide map (dependent variable) to create cross-tabulations for each one and class. The landslide inventory is used to result in the susceptibility maps for better mitigation of the risks and losses related to this phenomenon. The results demonstrated that the percentage of rotational landslides varies between 8.79 and 30.08%, and between 9.79 and 23.36% for translational slides susceptibility in the Amzaz watershed.Cet article vise à identifier les zones potentielles de glissements de terrain dans le bassin versant de l'Oued Amzaz, au nord du Maroc, dont l'équilibre environnemental est précaire, en utilisant le modèle de la valeur de l'information (IV). Van Westen (1994) définit les méthodes bivariées comme une forme modifiée de la combinaison de cartes quantitatives, à l'exception du fait que des pondérations sont attribuées en fonction de la relation statistique entre les glissements de terrain passés et les différentes cartes de facteurs, les cartes de facteurs individuels (variable indépendante). Un ensemble de cartes factorielles a été superposé à une carte des glissements de terrain (variable dépendante) afin de créer des tableaux croisés pour chacune d'entre elles et pour chaque classe. L'inventaire des glissements de terrain est utilisé pour établir les cartes de susceptibilité afin de mieux atténuer les risques et les pertes liés à ce phénomène. Les résultats ont montré que le pourcentage de glissements de terrain rotationnels varie entre 8,79 et 30,08%, et entre 9,79 et 23,36% pour la susceptibilité aux glissements translationnels dans le bassin versant de l'Oued Amzaz.Centro de Estudos de Comunicação e Sociedade (CECS) da Universidade do Minho2021-01-27info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttps://doi.org/10.21814/physisterrae.2965eng2184-626XEl-Fengour, AbdelhakBateira, CarlosEl Motaki, HanifaGarcía, Horacioinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-12-24T09:57:21Zoai:journals.uminho.pt:article/2965Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:56:03.991927Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
Évaluation de la sensibilité aux glissements de terrain basée sur un Modèle de Valeur de L'information dans le bassin versant de l'Oued Amzaz au nord du Maroc
title Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
spellingShingle Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
El-Fengour, Abdelhak
Metodologias em Geomorfologia
title_short Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
title_full Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
title_fullStr Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
title_full_unstemmed Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
title_sort Landslide Susceptibility Assessment based on Information Value Model in Amzaz Watershed in Northern Morocco
author El-Fengour, Abdelhak
author_facet El-Fengour, Abdelhak
Bateira, Carlos
El Motaki, Hanifa
García, Horacio
author_role author
author2 Bateira, Carlos
El Motaki, Hanifa
García, Horacio
author2_role author
author
author
dc.contributor.author.fl_str_mv El-Fengour, Abdelhak
Bateira, Carlos
El Motaki, Hanifa
García, Horacio
dc.subject.por.fl_str_mv Metodologias em Geomorfologia
topic Metodologias em Geomorfologia
description This paper aims to identify potential areas of landslides in the Amzaz watershed in northern Morocco with its precarious environmental balance using the Information Value (IV) Model. Van Westen (1994) defines bivariate methods as a modified form of the quantitative map combination with the exception that weightings are assigned based upon the statistical relationship between past landslides and various factor maps, individual factor maps (independent variable). A set of factor maps were overlaid with a landslide map (dependent variable) to create cross-tabulations for each one and class. The landslide inventory is used to result in the susceptibility maps for better mitigation of the risks and losses related to this phenomenon. The results demonstrated that the percentage of rotational landslides varies between 8.79 and 30.08%, and between 9.79 and 23.36% for translational slides susceptibility in the Amzaz watershed.
publishDate 2021
dc.date.none.fl_str_mv 2021-01-27
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://doi.org/10.21814/physisterrae.2965
url https://doi.org/10.21814/physisterrae.2965
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 2184-626X
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Centro de Estudos de Comunicação e Sociedade (CECS) da Universidade do Minho
publisher.none.fl_str_mv Centro de Estudos de Comunicação e Sociedade (CECS) da Universidade do Minho
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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