A Reservoir Yield Evaluation in an Arid Climate

by Les K. Lampe, Black & Veatch, Engineers-Architects, Kansas City, MO, USA,

Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H²AL)


Yield calculations rarely can be more accurate than roughly plus or minus twenty percent. The same uncertainty is dramatically greater in arid climates where the average annual runoff is only a minor fraction of the average annual rainfall, and subtle changes in precipitation patterns or agricultural land use practices can lead to substantial decreases in streamflows. The purpose of this paper is to present a case study of a yield evaluation in an arid climate thereby explaining major factors in such a yield estimation. The case cited is that of Cedar Bluff Reservoir in west-central Kansas. Dramatic flow decreases are primarily attributable to human activities.

Subject Headings: Kansas | United States

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