Mapping saline soils evolution in arid areas using RS and GIS. case study sabkhat Atarafiya northeast of Buraydah in Qassim (central KSA)

Abstract

Al Qassim region is located in the center of KSA, between the Arabian shield and the Arabian platform in arid desert climate. the surface water is seldom extinguished, except at the saliferous depressions fermented or sabkha. These are deserted salt marsh or salt wetlands, these Saharan wetlands are influenced by deferent factors: natural factors, both climatic and anthropogenic, which are due to the degradation of this particular areas. The objective of the present work is to follow the spatio-temporal evolution of humid zones...