Flow Science: Bay Delta Estuary Modeling and Analysis Projects



	Bay Delta Estuary Modeling and Analysis Flow Science is the custodian of the Fischer Delta Model which has the capability to model complex bay-estuary-channel systems. It is used extensively for predicting salinity conditions in the Sacramento San Joaquin River Delta in California and can be used to predict flow patterns, as well as the dispersion of pollutants or tracers in any open channel network under tidal influence. Flow inputs or withdrawals are allowed at nodes; gates and open water areas are modeled. The code consists of two programs, one for determining flow patterns, the other for predicting pollutant or tracer (including salinity) dispersion. The former model employs the method of characteristics on a network of channels; the latter uses the predicted flows as an input to a Lagrangian dispersion model. Both models have been validated by extensive field testing in the Sacramento Delta. The models are available for purchase by firms and agencies concerned with flow and dilution predictions in open channel networks and are currently in use by the California Department of Water Resources, California State Water Resources Control Board, the Bureau of Reclamation and Contra Costa Water District. Flow Science has used the models in the following projects: Analysis of the Effects of the Delta Wetlands Project on the Los Vaqueros Project Sacramento River Delta, California Bay and Delta Water Quality California State Water Resources Control Board San Francisco Bay and Sacramento Delta, California CALFED Integrated Storage Investigation San Francisco Bay - Sacramento Delta San Francisco Bay and Sacramento Delta, California City of Pittsburgh Marina Expansion Brown and Caldwell Engineers Pittsburgh, California Delta Modeling Study Metropolitan Water District of Southern California San Francisco Bay and Sacramento Delta, California Port of Oakland Dredge Spoil Drainage Harding Lawson Associates, and the Port of Oakland Oakland, California Process Cooling Water Outfall Operations Chevron Refining Richmond, California Sacramento Wastewater Treatment Plant Discharge Studies Brown and Caldwell Engineers, Carollo Engineers and the Sacramento County Regional Sanitation Distri Sacramento River and Delta, California San Luis Drain Operations Analysis Westlands Water District San Francisco Bay and Sacramento Delta, California Suisun Marsh Duck Clubs California Department of Water Resources San Francisco Bay and Sacramento Delta, California Westlands Water District/Water Supply Replacement Project Jones & Stokes Associates, Inc./Westlands Water District Sacramento Delta, California

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