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http://dx.doi.org/10.5467/JKESS.2008.29.3.263

Model Optimization for Sea Surface Wind Simulation of Strong Wind Cases  

Heo, Ki-Young (Division of Earth Environmental System, Pusan National University)
Lee, Jeong-Wook (Division of Earth Environmental System, Pusan National University)
Ha, Kyung-Ja (Division of Earth Environmental System, Pusan National University)
Jun, Ki-Cheon (Coastal Engineering Research Division, Korea Ocean Research and Development Institute)
Park, Kwang-Soon (Coastal Engineering Research Division, Korea Ocean Research and Development Institute)
Publication Information
Journal of the Korean earth science society / v.29, no.3, 2008 , pp. 263-279 More about this Journal
Abstract
This study is concerned with the optimization of models using MM5 and WRF mesoscale numerical models to simulate strong sea surface winds, such as that of typhoon Shanshan on 17 September 2006, and the Siberian high event on 16 December 2006, which were selected for displaying the two highest mean wind speeds. The model optimizations for the lowest level altitude, physical parameters and horizontal resolution were all examined. The sea surface wind values obtained using a logarithmic function which takes into account low-level stability and surface roughness were more accurate than those obtained by adjusting the lowest-level of the model to 10 m linearly. To find the optimal parameters for simulating strong sea surface winds various physical parameters were combined and applied to the model. Model grid resolutions of 3-km produced better results than those of 9-km in terms of displaying accurately regions of strong wind, low pressure intensities and low pressure mesoscale structures.
Keywords
high sea surface wind; MM5; WRF; optimization;
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Times Cited By KSCI : 1  (Citation Analysis)
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