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

  1. El-Fengour, Abdelhak 1
  2. Bateira, Carlos 2
  3. El Motaki, Hanifa 1
  4. García, Horacio 3
  1. 1 University Ibn Tofail, Kenitra, Morocco
  2. 2 Faculdade de Letras, Universidade do Porto
  3. 3 Universidade de Santiago de Compostela
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    Universidade de Santiago de Compostela

    Santiago de Compostela, España

    ROR https://ror.org/030eybx10

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Revista:
Physis Terrae - Revista Ibero-Afro-Americana de Geografia Física e Ambiente

ISSN: 2184-626X

Ano de publicación: 2020

Título do exemplar: Methodologies in Geomorphology

Volume: 2

Número: 2

Páxinas: 3-19

Tipo: Artigo

DOI: 10.21814/PHYSISTERRAE.2965 DIALNET GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: Physis Terrae - Revista Ibero-Afro-Americana de Geografia Física e Ambiente

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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Fonte de datos: Dialnet