Assimilation of the high-frequency radar measurements for coastal currents using ROMS

Kyungjeen Park; Zhijin Li; John Farrara; Yi Chao

doi:10.1117/12.740618

13 September 2007 Assimilation of the high-frequency radar measurements for coastal currents using ROMS

Kyungjeen Park, Zhijin Li, John Farrara, Yi Chao

Proceedings Volume 6685, Assimilation of Remote Sensing and In Situ Data in Modern Numerical Weather and Environmental Prediction Models; 66850C (2007) https://doi.org/10.1117/12.740618
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Surface current observations made by high-frequency radar in the Monterey Bay region during August 2003 are assimilated using a three-dimensional variational data assimilation scheme developed for the Regional Ocean Modeling System (ROMS-DAS). The observed upwelling and relaxation surface currents in Monterey Bay are well recovered in the analysis. A new mapping method based on ROMS-DAS is also proposed. This method is based on a variational algorithm for the calculation of stream function and velocity potential from given velocity fields, and has the ability to interpolate vectors over any irregular domain.

Citation Download Citation

Kyungjeen Park, Zhijin Li, John Farrara, and Yi Chao "Assimilation of the high-frequency radar measurements for coastal currents using ROMS", Proc. SPIE 6685, Assimilation of Remote Sensing and In Situ Data in Modern Numerical Weather and Environmental Prediction Models, 66850C (13 September 2007); https://doi.org/10.1117/12.740618

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