HYDRODYNAMIC MODELING OF BOLINAS LAGOON, CALIFORNIA

Abstract eng:
This paper describes the development and verification of a two-dimensional RMA2 model for Bolinas Lagoon, California. Bolinas Lagoon is situated on the Pacific Coast of California, just north of San Francisco. Accuracy of the model is examined through statistical analysis and comparison of present and historical data measurements in the area, including recorded tides, currents, and bathymetric surveys. All aspects of model application were investigated during the verification process. The model mesh and time step were rigorously tested. The ability of the model to reproduce the system was verified to acceptable limits using field data. The two-dimensional hydrodynamic modeling tool developed is capable of evaluating and comparing marsh wetting and drying, channel deepening, flow re-routing, and intertidal water level fluctuations associated with the lagoon.

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