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Effects of wind fences on the wind environment around Jang Bogo Antarctic Research Station
Wang, Jang-Woon,Kim, Jae-Jin,Choi, Wonsik,Mun, Da-Som,Kang, Jung-Eun,Kwon, Hataek,Kim, Jin-Soo,Han, Kyung-Soo Springer-Verlag 2017 Advances in Atmospheric Sciences Vol.34 No.12
<P>This study investigated the flow characteristics altered by Jang Bogo Antarctic Research Station using computational fluid dynamics (CFD) modeling. The topography and buildings around Jang Bogo Station were constructed with computer-aided-design data in the CFD model domain. We simulated 16 cases with different inflow directions, and compared the flow characteristics with and without Jang Bogo Station for each inflow direction. The wind data recorded by the site's automatic weather station (AWS) were used for comparison. Wind rose analysis showed that the wind speed and direction after the construction of Jang Bogo Station were quite different from those before construction. We also investigated how virtual wind fences would modify the flow patterns, changing the distance of the fence from the station as well as the porosity of the fence. For westerly inflows, when the AWS was downwind of Jang Bogo Station, the decrease in wind speed was maximized (-81% for west-northwesterly). The wind speed reduction was also greater as the distance of the fence was closer to Jang Bogo Station. With the same distance, the fence with medium porosity (25%-33%) maximized the wind speed reduction. These results suggest that the location and material of the wind fence should be selected carefully, or AWS data should be interpreted cautiously, for particular prevailing wind directions.</P>
Progress and plans for the observational data assimilation module development at KIAPS
Hyo-Jong Song,Hyoung-Wook Chun,Su Jin Ha,Youngsoon Jo,Byoung-Joo Jung,Jeon-Ho Kang,Ji-Sun Kang,Hataek Kwon,Jihye Kwun,Sangil Kim,Ju-Hye Kim,Sihye Lee,Jooyeon Lim,Jong-Im Park,Young-Joon Kim 한국기상학회 2013 한국기상학회 학술대회 논문집 Vol.2013 No.4