Elaboration of a Cartographic Model of Zones Favorable to the Implantation of Water Points: Case of the Watershed of Ehania, South-East of Côte D’Ivoire — Oak Academic Publishing
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Elaboration of a Cartographic Model of Zones Favorable to the Implantation of Water Points: Case of the Watershed of Ehania, South-East of Côte D’Ivoire
Department of Environment, University of Jean Lorougnon Guedé, Daloa, Cote D’Ivoire
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Department of Environment, University of Jean Lorougnon Guedé, Daloa, Cote D’Ivoire
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Department of Earth Sciences and Mining, University of Felix Houphouet Boigny, Abidjan, Cote D’Ivoire
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Department of Environment Management, University of Nangui Abrogoua, Abidjan, Cote D’Ivoire
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Department of Earth Sciences and Mining, University of Felix Houphouet Boigny, Abidjan, Cote D’Ivoire
1 Department of Environment, University of Jean Lorougnon Guedé, Daloa, Cote D’Ivoire
2 Department of Environment, University of Jean Lorougnon Guedé, Daloa, Cote D’Ivoire
3 Department of Earth Sciences and Mining, University of Felix Houphouet Boigny, Abidjan, Cote D’Ivoire
4 Department of Environment Management, University of Nangui Abrogoua, Abidjan, Cote D’Ivoire
5 Department of Earth Sciences and Mining, University of Felix Houphouet Boigny, Abidjan, Cote D’Ivoire
The supply of drinking water from aquifers of base remains problematic because of his complexity. The combination of several methods is more adapted for the mapping of water establishment favorable areas. This study is focused on water points establishment favorable areas mapping. The methods used are remote sensing, pump tests sheets for determining aquifers and saprolites thickness. To determine the recharge, GR2M Method and drainage density has been used. The digital elevation model (DEM) has been used to generate slopes and drainage density maps. The thematic maps obtained combined under GIS to produce water potentiality map. The results obtained have been with exploitation rates. Three classes of potentialities have been identified. These are classes of high potentialities in groundwater which cover approximately 20% of the study area. It occurs mainly in central areas where there are sedimentary formations usually captured by the drilling. These areas are generally located in the central part, mainly in areas where there is low slope, important with a thick layer of saprolites.
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