Laboratoire de Recherche et d’études en Aménagement, Faculté des sciences de la terre, Université des sciences et de la technologie Houari Boumediene, Alger, Algeria
In order to establish a flood hazard and flood risk maps of Guelmim city (south of Morocco), physical characteristics evaluation of the Assaka watershed proves primordial; mainly the Sayed and Oum Laachar wadis sub-watersheds. In the end of 2014, the Assaka basin with its main affluents Sayed and Oum Laachar wadis were subject to floods causing huge human and material damages. The methodological approach is based on the use of Geographic Information System ArcGIS and spatial hydrological models, HEC-GeoDozer and HEC-GeoHMS, for the treatment of a field digital model (Mod
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