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Impact of planned water resource development on current and future water demand in the Koshi River basin, Nepal

Author

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  • Pennan Chinnasamy
  • Luna Bharati
  • Utsav Bhattarai
  • Ambika Khadka
  • Vaskar Dahal
  • Shahriar Wahid

Abstract

The water resources of the Koshi Basin (87,311 km-super-2) are largely untapped, and while proposals for their development exist, their impacts on current and future water demand are not quantified. The current study is the first to evaluate the impacts of 11 proposed development projects for hydropower generation and water storage. We find that 29,733 GWh of hydropower could be generated annually and 8382 million m-super-3 of water could be stored. This could satisfy unmet demand in the current (660 million m-super-3) basin situation and in future scenarios - i.e. population, agricultural and industrial growth - that are projected to have 920, 970 and 1003 million m-super-3 of unmet demand, respectively, by 2050.

Suggested Citation

  • Pennan Chinnasamy & Luna Bharati & Utsav Bhattarai & Ambika Khadka & Vaskar Dahal & Shahriar Wahid, 2015. "Impact of planned water resource development on current and future water demand in the Koshi River basin, Nepal," Water International, Taylor & Francis Journals, vol. 40(7), pages 1004-1020, November.
    • Handle: RePEc:taf:rwinxx:v:40:y:2015:i:7:p:1004-1020
    DOI: 10.1080/02508060.2015.1099192
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    Cited by:

    1. Bhattarai, Utsav & Maraseni, Tek & Apan, Armando & Devkota, Laxmi Prasad, 2023. "Rationalizing donations and subsidies: Energy ecosystem development for sustainable renewable energy transition in Nepal," Energy Policy, Elsevier, vol. 177(C).
    2. Amjath-Babu, T.S. & Sharma, Bikash & Brouwer, Roy & Rasul, Golam & Wahid, Shahriar M. & Neupane, Nilhari & Bhattarai, Utsav & Sieber, Stefan, 2019. "Integrated modelling of the impacts of hydropower projects on the water-food-energy nexus in a transboundary Himalayan river basin," Applied Energy, Elsevier, vol. 239(C), pages 494-503.
    3. Schulz, Christopher & Saklani, Udisha, 2021. "The future of hydropower development in Nepal: Views from the private sector," Renewable Energy, Elsevier, vol. 179(C), pages 1578-1588.
    4. Hurford, A.P. & Harou, J.J. & Bonzanigo, L. & Ray, P.A. & Karki, P. & Bharati, L. & Chinnasamy, P., 2020. "Efficient and robust hydropower system design under uncertainty - A demonstration in Nepal," Renewable and Sustainable Energy Reviews, Elsevier, vol. 132(C).
    5. Pennan Chinnasamy & Sanmugam A. Prathapar, 2018. "Methods to Investigate the Hydrology of the Himalayan Springs: A Review," Working Papers id:12844, eSocialSciences.

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