Some Factors Influencing Required Reservoir Storage

by Stephen J. Burges, Asst. Prof. of Civ. Engrg.; Univ. of Washington, Seattle, WA,
Ray K. Linsley, (F.ASCE), Prof. of Civ. Engrg. and Dir.; Program on Engrg. Economic Planning, Stanford Univ., Stanford, CA; Pres., Hydrocomp Int., Palo Alto, CA,

Serial Information: Journal of the Hydraulics Division, 1971, Vol. 97, Issue 7, Pg. 977-991

Document Type: Journal Paper


The impact of streamflow variability and correlation and demand patterns on the required capacity of a water supply reservoir were studied. Inflow traces were generated by simple Markov models; demand was treated as time variables. The relative advantages of annual and monthly models, the influence of initial reservoir contents on required storage, and errors resulting from use of insufficient inflow traces to estimate storage requirements, are shown. Required storage is described by the extreme value probability distribution.

Subject Headings: Reservoirs | Water storage | Inflow | Errors (statistics) | Streamflow | Correlation | Water demand | Markov process

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