United Nations Office for Disaster Risk Reduction
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- Large spatially variable climate conditions between upstream and downstream of river basins needs special attention in mitigation drought risks.
- Great temporal variability in hydrological conditions of transboundary river basins causing droughts and prolonged droughts have to be managed jointly among riparian countries.
- Dams upstream transboundary rivers are human-induced drought risk drivers that can exacerbate drought risks downstream countries and should be designed and managed jointly.
- While Dams may reduce hydrological drought risks downstream river basins, natural renewable Groundwater Aquifers can reduce meteorological drought risks upstream river basins.
This case study is a contribution to the GAR Special Report on Drought 2021.
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