Local Wind Field Simulation over Coastal Areas Using Windprofiler Data

Title & Authors
Local Wind Field Simulation over Coastal Areas Using Windprofiler Data
Kim, Min-Seong; Kim, Kwang-Ho; Kim, Park-Sa; Kang, Dong-Hwan; Kwon, Byung Hyuk;

Abstract
In this paper, the applicability and usefulness of windprofiler input data were investigated to generate three dimensional wind field. A logical diagnostic model CALMET with windprofiler data at ten sites and with weather forecasting model WRF output was evaluated by statistically comparing with the radiosonde data at eight sites. The horizontal wind speed from CALMET simulated with hourly windprofiler data is in good agreement with radiosonde observations within 1.5 m/s of the root mean square error, especially local circulation of wind such as sea breeze over the coastal region. The root mean square error of wind direction ranged $\small{50^{\circ}{\sim}70^{\circ}}$ is due to the wind direction error from the windprofiler polluted by ground clutters. Since the exact wind can be produced quickly and accurately in most of the altitude with windprofiler data on CALMET, we expect the method presented in this study to be useful for the monitoring of safe environment as well as weather in the coastal zone.
Keywords
CALMET;WRF;CALWRF;Windprofiler;Sea breeze;Local wind field;
Language
Korean
Cited by
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