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An Analysis on Influence of Geographical Variation Induced by Development Affecting to the Local Scale Wind Environment - Numerical Simulation using the Envi-met Model -  

Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering/Atmospheric Environment information Research Center, Inje University)
Park, Jong-Kil (Department of Environment Sciences Engineering/Atmospheric Environment Information Research Center, Inje University)
Lee, Hwa-Woon (Department of Atmospheric Sciences, Pusan National University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.22, no.6, 2006 , pp. 888-903 More about this Journal
Abstract
This study analyze the change of wind pattern and intensity according to the transform of surface conditions, such as land use and height of terrain, over the leeward region. In order to do this, we have employed 'Envi-met' microscale atmospheric numerical model. When the same wind condition is considered, the wind speed of base case having natural surface condition of Chunsudae shows the weakest strength among different cases such as the 'bare case' and the '20 m case' which the plants is removed and the height of terrain is flatted as 20 m above the sea level over the Chunsudae, respectively. The weakening of wind speed is a maximum of $4{\sim}8 m/s$ when the inflow wind speed is 55 m/s.
Keywords
Wind speed; Envi-met; Surface condition; Gust wind;
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