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http://dx.doi.org/10.5322/JES.2010.19.6.689

The Application of Wind Profiler Data and Its Effects on Wind Distributions in Two Different Coastal Areas  

Jeong, Ju-Hee (Division of Earth Environmental System, Pusan National University,)
Lo, So-Young (Division of Earth Environmental System, Pusan National University,)
Song, Sang-Keun (Division of Earth Environmental System, Pusan National University,)
Kim, Yoo-Keun (Division of Earth Environmental System, Pusan National University)
Publication Information
Journal of Environmental Science International / v.19, no.6, 2010 , pp. 689-701 More about this Journal
Abstract
The effects of high-resolution wind profiler (HWP) data on the wind distributions were evaluated in two different coastal areas during the study period (23-26 August, 2007), indicating weak-gradient flows. The analysis was performed using the Weather Research and Forecasting (WRF) model coupled with a three-dimensional variational (3DVAR) data assimilation system. For the comparison purpose, two coastal regions were selected as: a southwestern coastal (SWC) region characterized by a complex shoreline and a eastern coastal (EC) region surrounding a simple coastline and high mountains. The influence of data assimilation using the HWP data on the wind distributions in the SWC region was moderately higher than that of the EC region. In comparison between the wind speed and direction in the two coastal areas, the application of the HWP data contributed to improvement of the wind direction distribution in the SWC region and the wind strength in the EC region, respectively. This study suggests that the application of the HWP data exerts a large impact on the change in wind distributions over the sea and thus can contribute to the solution to lack of satellite and buoy data with their observational uncertainty.
Keywords
Wind profiler data; Different coastal areas; Data assimilation; Wind distributions; WRF; 3DVAR;
Citations & Related Records
Times Cited By KSCI : 10  (Citation Analysis)
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