Targeted Sediment Transport Model Development and Support for Tidal Flats DRI Researchers
2008
Sherwood, Christopher R. | Signell, Richard P.
The long-term goal of this research is to supply Tidal Flats DRI investigators who use unstructured grid models with sediment transport algorithms and modeling infrastructure developed by the National Oceanographic Partnership Program's Community Sediment Transport Modeling System (CSTMS). The specific objectives of this research are to support Tidal Flat DRI in adapting the bottom boundary layer, surficial sediment, and sediment bed model components of the CSTMS to unstructured grid hydrodynamic modeling systems, such as FVCOM, SUNTANS, ELCIRC, and SELFE. The Tidal Flats DRI will benefit from a collaborative approach to implementing the CSTMS routines and model output infrastructure in Tidal Flats DRI models, as its implementation will minimize the development effort for sediment transport components. Moreover, the CSTMS project will benefit from broader field testing as well as feedback on the performance and usability of its model components. Although a variety of unstructured grid models may eventually be used in the Tidal Flats DRI, the authors are working initially with FVCOM (Chen, Beardsley, and Cowles, 2006) and with Dr. Geoff Cowles from the FVCOM development team, as FVCOM has already been used successfully in the Skagit River and Puget Sound regions by investigators at PNNL (Yang and Khangaonkar, 2008). The USGS will work closely with Cowles to ensure that the sediment routines are implemented consistent with CSTMS in an efficient and modular fashion. The results will be distributed using a THREDDS Data Server via OpenDAP with CF conventions, allowing users to access results from a variety of models using a standards-based approach.
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