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Assessing the impacts of climate change on water resources ofa West African trans-boundary river basin and its environmentalconsequences (Senegal River Basin)
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Citation of this paper:Cheikh Bécaye Gaye,Moctar Diaw,Raymond Malou,2013.Assessing the impacts of climate change on water resources ofa West African trans-boundary river basin and its environmentalconsequences (Senegal River Basin).Sciences in Cold and Arid Regions,5(1):0140~0156.
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Author NameAffiliationE-mail
Cheikh Bécaye Gaye Department of Geology, Faculty of Sciences and Techniques, University Cheikh Anta Diop, BOX: 5005 Dakar, Senegal cheikhbecayegaye@gmail.com; mkdiaw@yahoo.fr 
Moctar Diaw Department of Geology, Faculty of Sciences and Techniques, University Cheikh Anta Diop, BOX: 5005 Dakar, Senegal  
Raymond Malou Department of Geology, Faculty of Sciences and Techniques, University Cheikh Anta Diop, BOX: 5005 Dakar, Senegal  
 
Abstract:The Senegal River Basin (SRB) is a shared watershed in West Africa which includes regions (the upper basin, valley, and delta), characterized by distinct environmental conditions. An important feature of the Senegal River flow volume historically was its inter- annual irregularity, which caused a major water resource constrain. This situation has been accentuated during the long-term drought (1969–1984) in the Sahel zone which highlights the vulnerability of food-producing systems to climate change and variability. SRB is undergoing fundamental environmental, hydrologic, and socioeconomic transitions and represents a good illustration of sensitivity to climatic variations and opportunities for adaptation. This paper aims to study water resources systems under stress from climate variability and change in the Senegal River Basin. The results show (1) through the compilation of available data, information and knowledge (sedimentological, climatical, geological, environmental, archeological, etc.), the chronological consequences of climate change during the past millennium in West Africa, and also (2) an analysis of the recent impacts and vulnerability to climate change in the SRB and finally (3) the adaptation strategies in the SRB in order to identify and resolve problems associated with this water scarcity and to address the potential for guaranteed agricultural production in this narrow geographic area.
keywords:Senegal River Basin  water resources  climate change  consequences  adaptation
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