Évaluation Du Risque D'érosion Hydrique Cas Du Bassin Versant Oued Djedra
Résumé: Soil erosion is an environmental problem of considerable severity and complexity worldwide, as it threatens water and soil resources. In Algeria, this phenomenon is widely present. The objective of this study is to develop a decision support tool to assess and map regions at risk of water erosion using remote sensing techniques, a geographic information system and mathematical and semi-quantitative models. An inventory map was prepared using aerial photographs and field surveys to assess the performance of the generated maps. The results of this analysis will make it possible to classify the zones studied and to establish priorities for the implementation of measures to combat erosion. This study therefore aims to provide a practical and reliable tool for the management of areas at risk of erosion in Algeria, using innovative approaches based on remote sensing, GIS and mathematical models. The results obtained will make it possible to better understand the spatial distribution of areas threatened by erosion and to guide conservation and development actions effectively.
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