Hydraulics & Waterways

Oral

393259 - Impact of Hydraulic Conditions near a Model Louver Guidance System on Successful Bypass

Wednesday, June 6
10:30 AM - 12:00 PM
Location: Regency Room
Co-Authors: Ali Ercan, Davis, Ca – University of California, Davis; G. Hossein Bandeh, Davis, Ca – University of California, Davis; Seth Seidel, Davis, CA – University of California, Davis; Kehzen Wang, Davis, Ca – University of California, Davis; Anna Steel, Davis, CA – University of California, Davis; Dennis Cocherell, Davis, CA – University of California, Davis; M. Levent Kavvas, Davis, CA – University of California, Davis; Nann Fangue, Davis, CA – University of California, Davis

A model louver guidance system was developed at the J. Amorocho Hydraulics Laboratory to conduct experiments quantifying the successful bypass of juvenile green sturgeon at a variety of experimental conditions corresponding to operating parameters at large water diversion facilities. Such physical modeling is critical to the understanding and management of aquatic environments, and provides a link between field observations and theoretical, stochastic and numerical ecohydraulic models. Preliminary hydraulic analysis and bypass success results from the on-going study are reported. Analysis of these results could provide insight into the design and operation of louver facilities in order to enhance fish conservation goals within the San Francisco Bay Delta, and improve numerical ecohydraulic models of fish diversions. Modifications within the Bay-Delta, such as agricultural water diversions, pumping plants, dams, reservoirs, canals and aqueducts, have dramatically altered flow timing and magnitude, negatively affecting biological communities. Determining the impact of current operational parameters at large-scale water diversion facilities on affected fish species is critical to their continued survival. This study investigates the hydraulic conditions near a model louver system simulating conditions at the John E. Skinner Delta Fish Protective Facility of the State Water Project and the Tracy Fish Collection Facility of the Central Valley Project (South Delta Fish Protective Facilities).

Kara J. Carr

Project Scientist
University of California, Davis

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393259 - Impact of Hydraulic Conditions near a Model Louver Guidance System on Successful Bypass



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