Nabil Mega* and Abderrahmane Medjerab
The objective of this paper is to study the recurrent drought in the Algerian high plateaus between 1980 and 2012 through establishment of the recurrent drought vulnerability map. Based on five parameters: the Standardized Precipitation Index (SPI), the Precipitations (PP), the Enhanced Vegetation Index (EVI), the Land Cover (LC) and the Digital Elevation Model (DEM), the vulnerability map was developed by the introduction of the Analytic Hierarchical Process model (AHP, GIS based model), in the field of climatology, with three degrees of vulnerability: high, medium and low recurrent drought. The result show that the western and central regions of the study areas are the most exposed to recurrent droughts.
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