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Fact Sheet 2008–3002

Prepared under the auspices of the U.S. Agency for International Development

Historical and Hypothetical Future Sedimentation and Water Storage in Kajakai Reservoir, Central Afghanistan

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Fact Sheet 2008-3002
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Summary

Sedimentation has reduced water storage in Kajakai Reservoir. If current sedimentation rates continue, hypothetical future reservoir water volumes at the spillway elevation of 1,033.5 meters could be reduced about 22 percent from 2006 to 2057. Even if the spillway elevation is raised to 1,045 meters, a severe drought could result in large multiyear irrigation-supply deficits in which reservoir water levels remain below 1,022 meters for more than 4 years. Hypothetical climate change and sedimentation could result in greater water-supply deficits. The chance of having sufficient water supplies in Kajakai Reservoir during the worst month is about 47 percent.

Version 1.0

Posted January 2008


Suggested citation:

Vining, K.C., and Vecchia, A.V., 2008, Historical and hypothetical future sedimentation and water storage in Kajakai Reservoir, Central Afghanistan: U.S. Geological Survey Fact Sheet 2008–3002, 4 p.



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