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Benin 2025—Balancing Future Water Availability and Demand Using the WEAP ‘Water Evaluation and Planning’ System

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  • Britta Höllermann
  • Simone Giertz
  • Bernd Diekkrüger

Abstract

In Benin, annual water availability per capita far exceeds the critical threshold of about 1,700 m 3 , but during the dry season, water scarcity occurs at the local scale. By modeling the water balance of the Ouémé–Bonou catchment with WEAP (Water Evaluation and Planning System), this study aimed at analyzing Benin’s future water situation under different scenarios of socio-economic development and climate change until 2025. The results show that the pressure on Benin’s water resources will increase, leading to greater competition for surface water. Furthermore, financial and technological constraints hinder a satisfactory development, and exploration of groundwater and reservoir resources. However, improvements are most needed, especially in rural areas. Decreasing inflows and groundwater recharge due to climate change aggravate this situation. Even though there are uncertainties and constraints concerning the model and input data, this study shows that the WEAP results offer a solid basis to assist planners in developing recommendations for future water resource management by revealing hot spots of action. Copyright Springer Science+Business Media B.V. 2010

Suggested Citation

  • Britta Höllermann & Simone Giertz & Bernd Diekkrüger, 2010. "Benin 2025—Balancing Future Water Availability and Demand Using the WEAP ‘Water Evaluation and Planning’ System," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(13), pages 3591-3613, October.
    • Handle: RePEc:spr:waterr:v:24:y:2010:i:13:p:3591-3613
    DOI: 10.1007/s11269-010-9622-z
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    References listed on IDEAS

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    1. McCartney, Matthew P. & Arranz, Roberto, 2007. "Evaluation of historic, current and future water demand in the Olifants River Catchment, South Africa," IWMI Research Reports H040648, International Water Management Institute.
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    3. McCartney, Matthew P. & Arranz, Roberto, 2007. "Evaluation of historic, current and future water demand in the Olifants River Catchment, South Africa," IWMI Research Reports 57026, International Water Management Institute.
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    2. Ajay Gajanan Bhave & Neha Mittal & Ashok Mishra & Narendra Singh Raghuwanshi, 2016. "Integrated Assessment of no-Regret Climate Change Adaptation Options for Reservoir Catchment and Command Areas," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(3), pages 1001-1018, February.
    3. Andrea Momblanch & Lindsay Beevers & Pradeep Srinivasalu & Anil Kulkarni & Ian P. Holman, 2020. "Enhancing production and flow of freshwater ecosystem services in a managed Himalayan river system under uncertain future climate," Climatic Change, Springer, vol. 162(2), pages 343-361, September.
    4. Dália Loureiro & Aisha Mamade & Marta Cabral & Conceição Amado & Dídia Covas, 2016. "A Comprehensive Approach for Spatial and Temporal Water Demand Profiling to Improve Management in Network Areas," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(10), pages 3443-3457, August.
    5. B. Rousta & S. Araghinejad, 2015. "Development of a Multi Criteria Decision Making Tool for a Water Resources Decision Support System," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(15), pages 5713-5727, December.
    6. March, Hug & Therond, Olivier & Leenhardt, Delphine, 2012. "Water futures: Reviewing water-scenario analyses through an original interpretative framework," Ecological Economics, Elsevier, vol. 82(C), pages 126-137.
    7. Mohammad Dastorani & Samaneh Poormohammadi, 2012. "Evaluation of Water Balance in a Mountainous Upland Catchment Using SEBAL Approach," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(7), pages 2069-2080, May.
    8. Dehghanipour, Amir Hossein & Zahabiyoun, Bagher & Schoups, Gerrit & Babazadeh, Hossein, 2019. "A WEAP-MODFLOW surface water-groundwater model for the irrigated Miyandoab plain, Urmia lake basin, Iran: Multi-objective calibration and quantification of historical drought impacts," Agricultural Water Management, Elsevier, vol. 223(C), pages 1-1.

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