Abstract

The Gulf of Thailand and neighbor area was studied using the Regional Oceanic Model System (ROMS). The horizontal resolution and vertical levels were 10 km × 10 km and 40 layers respectively. The domain situated between longitudes 95o E to 109o E and latitudes 0o N to 17o N. The initial and boundary conditions was used in this study that includes potential temperature, salinity, u-component of current, v-component of current and sea surface height relative to geoid from NCEP-CFSV2 data. The simulation dates were the end of month of May, June and July. Discussion from the literature review is found that the Sea Surface Temperature (SST) is a very important factor in the ocean and coupled atmosphere-ocean interaction. In this study used Generic Length Scale (GLS) vertical mixing method to simulate SST. The results from the model simulation are compared with spatial pattern with grids global observation data from the Optimum Interpolation Sea Surface Temperature (OISST) observation data. Overall the ROMS model can capture trend of SST pattern similarly OISST observation especially June 30 and July 31, 2018. In future work will simulate monthly mean SST from ROMS model and will compare with OISST monthly observation data in spatial pattern and statistical.

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