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Climate, Land Use and Land Cover Changes in the Bandama Basin (Côte D’Ivoire, West Africa) and Incidences on Hydropower Production of the Kossou Dam

Author

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  • Yao Morton Kouame

    (Centre de Recherche en Ecologie, Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d’Ivoire
    Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d’Ivoire)

  • Salomon Obahoundje

    (LAPAMF—African Centre of Excellence on Climate Change, Biodiversity and Sustainable Development/Université Félix Houphouët Boigny, 22 B.P. 582 Abidjan 22, Côte d’Ivoire)

  • Arona Diedhiou

    (LAPAMF—African Centre of Excellence on Climate Change, Biodiversity and Sustainable Development/Université Félix Houphouët Boigny, 22 B.P. 582 Abidjan 22, Côte d’Ivoire
    IRD, CNRS, Grenoble INP, IGE, Univ. Grenoble Alpes, F-38000 Grenoble, France)

  • Baptiste François

    (Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA)

  • Ernest Amoussou

    (Département de Géographie et Aménagement de Territoire (DGAT/FLASH), Université de Parakou, BP 123 Parakou, Bénin)

  • Sandrine Anquetin

    (IRD, CNRS, Grenoble INP, IGE, Univ. Grenoble Alpes, F-38000 Grenoble, France)

  • Régis Sacre Didi

    (LAPAMF—African Centre of Excellence on Climate Change, Biodiversity and Sustainable Development/Université Félix Houphouët Boigny, 22 B.P. 582 Abidjan 22, Côte d’Ivoire)

  • Lazare Kouakou Kouassi

    (UFR-Environnement, Université Jean Lorougnon GUEDE, 12 BP V 25 Daloa 12, Côte d’Ivoire)

  • Vami Hermann N’guessan Bi

    (Centre Universitaire de Recherche et d’Application en Télédétection (CURAT), Université Félix Houphouët Boigny, 22 BP 801 Abidjan 22, Côte d’Ivoire)

  • Emile Gneneyougo Soro

    (Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d’Ivoire)

  • Etienne Kouakou Yao

    (Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan 02, Côte d’Ivoire)

Abstract

Climate and land use/cover changes are potential drivers of change in hydrology and water use. Incidences of these factors on Bandama hydrological basin and Kossou hydropower generation (1981–2016) in West Africa are assessed in this present work. Using Landsat products of United Stated Geological Survey, results show that water bodies areas and land use have increased by 1.89%/year and 11.56%/year respectively, whereas herbaceous savanna, savanna, forest and evergreen forest coverage have been reduced by 1.39%/year, 0.02%/year, 2.39%/year and 3.33%/year respectively from 1988 to 2016. Hydroclimatic analysis reveals that streamflow presents greater change in magnitude compared to rainfall though both increasing trends are not statistically significant at annual scale. Streamflow varies at least four (two) times greatly than the rainfall (monthly and seasonally) annually except during driest months probably due to land use/cover change. In contrast, Kossou hydropower generation is significantly decreasing ( p -value 0.007) at both monthly and annual scales possibly due to water abstraction at upstream. Further works are required to elucidate the combined effects of land use/cover and climate changes on hydrological system as well as water abstraction on Kossou generation.

Suggested Citation

  • Yao Morton Kouame & Salomon Obahoundje & Arona Diedhiou & Baptiste François & Ernest Amoussou & Sandrine Anquetin & Régis Sacre Didi & Lazare Kouakou Kouassi & Vami Hermann N’guessan Bi & Emile Gneney, 2019. "Climate, Land Use and Land Cover Changes in the Bandama Basin (Côte D’Ivoire, West Africa) and Incidences on Hydropower Production of the Kossou Dam," Land, MDPI, vol. 8(7), pages 1-21, June.
    • Handle: RePEc:gam:jlands:v:8:y:2019:i:7:p:103-:d:243494
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    References listed on IDEAS

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    Cited by:

    1. Eric Mensah Mortey & Kouakou Lazare Kouassi & Arona Diedhiou & Sandrine Anquetin & Mathieu Genoud & Benoit Hingray & Didier Guy Marcel Kouame, 2019. "Sustainable Hydroelectric Dam Management in the Context of Climate Change: Case of the Taabo Dam in Côte D’Ivoire, West Africa," Sustainability, MDPI, vol. 11(18), pages 1-32, September.

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