Articles | Volume 23, issue 10
https://doi.org/10.5194/hess-23-4129-2019
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, Mikkel Kromann, Silvio Pereira-Cardenal, Kenneth Marc Strzepek, and Peter Bauer-Gottwein

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Cited articles

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Ansar, A., Flyvbjerg, B., Budzier, A., and Lunn, D.: Should we build more large dams? The actual costs of hydropower megaproject development, Energ. Policy, 69, 43–56, https://doi.org/10.1016/j.enpol.2013.10.069, 2014. 
Awojobi, O. and Jenkins, G. P.: Were the hydro dams financed by the World Bank from 1976 to 2005 worthwhile?, Energ. Policy, 86, 222–232, https://doi.org/10.1016/j.enpol.2015.06.040, 2015. 
Bauer-Gottwein, P., Schneider, R., and Davidsen, C.: Optimizing Wellfield Operation in a Variable Power Price Regime, Groundwater, 54, 92–103, https://doi.org/10.1111/gwat.12341, 2016. 
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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.