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Accueil du site → Livres → 2021 → Gully Erosion susceptibility mapping of Ali Al-Gharbi District - North-East of Missan Governorate, Southern of Iraq, Using Remote Sensing and GIS

Noor Publishing (2021)

Gully Erosion susceptibility mapping of Ali Al-Gharbi District - North-East of Missan Governorate, Southern of Iraq, Using Remote Sensing and GIS

Ali Khalid Abbas Al-Ali, Alaa M. Atiaa Al-Abadi

Titre : Gully Erosion susceptibility mapping of Ali Al-Gharbi District - North-East of Missan Governorate, Southern of Iraq, Using Remote Sensing and GIS

Auteur (s)  : Ali Khalid Abbas Al-Ali, Alaa M. Atiaa Al-Abadi
Editeur  : Noor Publishing
Date de parution 2021-12-07
Pages : 152

Présentation
This work aims to evaluate the predictive capability of three bivariate statistical models, namely information value, frequency ratio, and evidential belief functions, in gully erosion susceptibility mapping in northeastern Maysan Governorate (Ali AlGharbi District) in southern Iraq. The gully inventory map, consisting of 21 gullies of different sizes, was prepared based on the interpretation of remotely sensed data supported by field survey. The gully inventory data (polygon format) were randomly partitioned into two sets : 14 gullies for build and training the bivariate model, and the remaining 7 gullies for validating purposes. Twelve gully influential factors were selected based on data availability and the literature review. The selected factors were related to lithology, geomorphology, soil, land cover, and topography (primary and secondary) settings. Analysis of factor importance using information gain ratio proved that out of 12 gully influential factors, eight were of more importance in developing gullies (the average merit was greater than zero).

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Page publiée le 19 avril 2022