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Carbon Cycle & Ecosystems, Earth Surface & Interior, Water & Energy Cycles

Our project endeavors to create, calibrate and support a 3D model of the San Francisco Bay-Delta. The model will be used to answer policy questions by the Department of Water Resources, and is the estuary component of SESAME, an energy-based full life cycle model of salmon migration being undertaken by NASA, DWR and the National Marine Fisheries Service.

NASA is providing high resolution atmospheric inputs (from climate re-analysis) to the model as well as computational support.

At present, the Bay component of the domain has been calibrated and in the context of SEMAME has been linked to a biogeochemistry model for salmon food supply. The Bay-Delta mesh is being finalized and a calibrated release is due in spring 2013.

The hydrodynamics code we are using is SELFE, a semi-implicit Eulerian-Lagrangian code that has been applied in similar estuaries around the world. SELFE has an accurate, robust solver that scales well on the high-performance architectures at NASA.

Some of the challenge of the project thus far comes from the extreme variation of scale in the estuary. The intricate channels of the Delta need to be well represented without over-resolution.

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Started: Dec 28, 2012

Last Activity: Dec 28, 2012

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