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Physical Characterization of the Koular Valley in Central West Senegal with a View to its Hydro-Agricultural Development | SciTechnol

Journal of Hydrogeology & Hydrologic Engineering.ISSN: 2325-9647

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Research Article, J Hydrogeol Hydrol Eng Vol: 9 Issue: 1

Physical Characterization of the Koular Valley in Central West Senegal with a View to its Hydro-Agricultural Development

Cheikh Tidiane Wade*

Department of Geology, Cheikh Anta Diop University, Senegal, West Africa

*Corresponding Author : Cheikh Tidiane Wade
Department of Geology, Cheikh Anta Diop University, Senegal, West Africa
Tel: +221 777575366
E-mail: tidianecheikh04@hotmail.com

Received: January 21, 2020 Accepted: January 31, 2020 Published: February 07, 2020

Citation: Wade CT (2020) Physical Characterization of the Koular Valley in Central West Senegal with a View to its Hydro-Agricultural Development. J Hydrogeol Hydrol Eng 9:1. doi: 10.37532/jhhe.2020.9(1).189

Abstract

The Koular watershed has an area of 90 Km2 and is located in a deltaic area. In recent years, the area has suffered progressive degradation of freshwater (surface and groundwater) and soil due to the invasion of salt water from the sea.

The study of the physical characteristics of the catchment area shows a slope in a North-North-East / South-South-West direction with altitudes varying from 48 m (maximum altitude) to 2 m (minimum altitude) from upstream to downstream. These low altitudes (proximity of the area at sea level 0) and the relatively flat relief of the area favor the evolution of the coastline.

A major depression found between Koular and Keur Saloum Diane constitutes a major obstacle to the flow of surface water, as it must be filled before the water reaches the basin outlet, thus reducing the leaching of salt-polluted soil.

Keywords: Koular watershed; Saline intrusion; Deltaic area; Djikoye arm

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