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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Monday 20 May 2024

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CLIMATE CHANGE AND WATER RESOURCES: APPLICATION OF THE SWAT MODEL TO THE SOUTH-EAST AGNÉBY WATERSHED OF IVORY COAST


Volume 41, Issue 4, February 2024, Pages 1257–1272

 CLIMATE CHANGE AND WATER RESOURCES: APPLICATION OF THE SWAT MODEL TO THE SOUTH-EAST AGNÉBY WATERSHED OF IVORY COAST

Koné Brahima1, Ismaila Ouattara2, Amidou Dao3, and Bamory Kamagaté4

1 Laboratoire de Pédologie et de Géologie Appliquée, Université Félix Houphouët Boigny, Abidjan, Côte d'Ivoire
2 Assistant Lecturer in hydrology, (UFR-GMS) Geological and Mining Sciences, University of Man, Côte d’Ivoire
3 Laboratoire Géosciences et Environnement (LGE), UFR Sciences et Gestion de L’environnement (SGE), Université Nangui Abrogoua (UNA),02 BP 801 Abidjan 02, Côte d’Ivoire
4 Université NANGUI ABROGOUA, Abidjan, Côte d’Ivoire

Original language: English

Copyright © 2024 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The aim of this study is to highlight the combined effects of climate change and anthropization on surface waters in the Agnéby watershed. The global hydrological balances produced by the SWAT model show that in the year 2050, precipitation will record a deficit of 1.87%, while actual evapotranspiration will be 2.80% higher. Groundwater recharge and runoff will be in deficit by 2.5% and 9.77% respectively, and stock variation will be in deficit by 36.62% compared with the reference period. For 2080, precipitation, groundwater recharge and runoff will be in deficit by 1.23%, 1.5% and 10.23% respectively. Actual evapotranspiration will show an excess of 3.37%, and the change in stock relative to the reference period will also show a deficit of 20.42%. The hydrological consequence of this state of affairs is the depletion of surface water resources over the years in the Agnéby watershed due to anthropogenic activities. The predominance of evapotranspiration can be explained by the fact that the area will be covered by large-scale farming operations. These could also be explained by the fact that the area will be less favorable to surface runoff than to infiltration.

Author Keywords: Climate change, Water resource, Agnéby catchment, SWAT model, Ivory Coast.


How to Cite this Article


Koné Brahima, Ismaila Ouattara, Amidou Dao, and Bamory Kamagaté, “CLIMATE CHANGE AND WATER RESOURCES: APPLICATION OF THE SWAT MODEL TO THE SOUTH-EAST AGNÉBY WATERSHED OF IVORY COAST,” International Journal of Innovation and Applied Studies, vol. 41, no. 4, pp. 1257–1272, February 2024.