Articles | Volume 23, issue 10
Hydrol. Earth Syst. Sci., 23, 4129–4152, 2019
https://doi.org/10.5194/hess-23-4129-2019
Hydrol. Earth Syst. Sci., 23, 4129–4152, 2019
https://doi.org/10.5194/hess-23-4129-2019

Research article 08 Oct 2019

Research article | 08 Oct 2019

WHAT-IF: an open-source decision support tool for water infrastructure investment planning within the water–energy–food–climate nexus

Raphaël Payet-Burin et al.

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Short summary
We present an open-source tool for water infrastructure investment planning considering interrelations between the water, food, and energy systems. We apply it to the Zambezi River basin to evaluate economic impacts of hydropower and irrigation development plans. We find trade-offs between the development plans and sensitivity to uncertainties (e.g. climate change, carbon taxes, capital costs of solar technologies, environmental policies) demonstrating the necessity for an integrated approach.