Groundwater potential mapping using the integration of AHP method, GIS and remote sensing: a case study of the Tabelbala region, Algeria

AHS yöntemi, CBS ve uzaktan algılama entegrasyonu kullanarak yeraltı suyu potansiyeli haritalaması: Cezayir, Tabelbala bölgesi için bir vaka çalışması

Authors

Ahmed BENNIA, Ibrahim ZEROUAL, Abdelkrim TALHI, Lahcen Wahib KEBIR

Keywords

Remote Sensing, GIS, Hydrogeology, Tabelbala, Analytic Hierarchy Process.

Abstract

Recently, groundwater resources are assessed and evaluated using Geographic Information System (GIS) and remote sensing technologies due to their effectiveness and wide spatial coverage. This work aims to identify groundwater potential areas in the Tabelbala region which lies in the Algerian desert in order to help for the solution of water resources shortages. GIS and remote sensing are employed in the preparation of the controlling factors such as lithology, lineaments, drainage network, slope, land use/land cover, topographic wetness index, and elevation. Statistical Analysis, as well as interpretation of remote sensing data, allow the extraction of important features about the study area and its characteristics. The prepared layers are combined with multicriteria analysis to identify the groundwater potential zones (GWPZs) based on their statistical weights. To validate the conducted work, 222 wells/boreholes are collected and prepared to assess the potential areas.

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