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A SWAT evaluation of the effect of climate change on the hydrology of the Volta River basin

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  • Aditya Sood
  • Lal Muthuwatta
  • Matthew McCartney

Abstract

The SWAT (Soil and Water Assessment Tool) was used to evaluate the impacts of a climate scenario based on IPCC A1B emissions on flows in the Volta River basin in West Africa for 2021-2050 and 2071-2100, using 1983-2012 as the reference period. Overall, the simulation indicates increased variability and a decrease of up to 40% in river flow as a consequence of decreasing rainfall and increasing temperature. In particular, the analysis shows smaller absolute but greater relative changes in the hydrology of the northern (upper) part of the basin, particularly at the end of the century.

Suggested Citation

  • Aditya Sood & Lal Muthuwatta & Matthew McCartney, 2013. "A SWAT evaluation of the effect of climate change on the hydrology of the Volta River basin," Water International, Taylor & Francis Journals, vol. 38(3), pages 297-311, May.
    • Handle: RePEc:taf:rwinxx:v:38:y:2013:i:3:p:297-311
    DOI: 10.1080/02508060.2013.792404
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    Citations

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    Cited by:

    1. Cheick Oumar Zouré & Arsène Kiema & Roland Yonaba & Bernard Minoungou, 2023. "Unravelling the Impacts of Climate Variability on Surface Runoff in the Mouhoun River Catchment (West Africa)," Land, MDPI, vol. 12(11), pages 1-22, November.
    2. Joachim Ayiiwe Abungba & Kwaku Amaning Adjei & Charles Gyamfi & Samuel Nii Odai & Santosh Murlidhar Pingale & Deepak Khare, 2022. "Implications of Land Use/Land Cover Changes and Climate Change on Black Volta Basin Future Water Resources in Ghana," Sustainability, MDPI, vol. 14(19), pages 1-17, September.
    3. Swatantra Kumar Dubey & JungJin Kim & Younggu Her & Devesh Sharma & Hanseok Jeong, 2023. "Hydroclimatic Impact Assessment Using the SWAT Model in India—State of the Art Review," Sustainability, MDPI, vol. 15(22), pages 1-40, November.
    4. Sood, Aditya & Muthuwatta, Lal & Silva, Sandeepana & McCartney, Matthew, 2017. "Understanding the hydrological impacts of climate change in the Tana River Basin," Book Chapters,, International Water Management Institute.
    5. Hamidreza Hajihosseini & Mohammadreza Hajihosseini & Saeed Morid & Majid Delavar & Martijn J. Booij, 2016. "Hydrological Assessment of the 1973 Treaty on the Transboundary Helmand River, Using the SWAT Model and a Global Climate Database," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(13), pages 4681-4694, October.
    6. Jianzhu Li & Guoqing Li & Shuhan Zhou & Fulong Chen, 2016. "Quantifying the Effects of Land Surface Change on Annual Runoff Considering Precipitation Variability by SWAT," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(3), pages 1071-1084, February.

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