Vermeyen, Tracy B.. 1996. "Hydraulic Model Study of the Positive Barrier Fish Screen at Reclamation District No. 108, Wilkins Slough Pumping Plant, September 1996". Bureau of Reclamation, Report Number R-96-05.
Abstract: The Bureau of Reclamation conducted hydraulic model studies to document the hydraulic characteristics and performance of the Wilkins Slough positive barrier fish screen design for a range of river and diversion flows. The studies were undertaken because winter-run chinook salmon populations in the Sacramento River are in decline and have been listed as an endangered species. The decline in salmon population has been attributed, in part, to juvenile fish mortality associated with unscreened irrigation diversions. As a result, Reclamation District No. 108 has initiated a fish screen assessment program, which includes the proposed positive barrier fish screen to be constructed a t the Wilkins Slough Pumping Plant. These hydraulic model studies were requested by the Bureau of Reclamation Mid-Pacific Regional Office. Model study data were used to improve the fish screen design so that i t meets or exceeds performance criteria as set forth by the National Marine Fisheries Service and the California Department of Fish and Game.
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