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http://dx.doi.org/10.5322/JES.2009.18.9.941

An Analysis of Wind Field around the Air Quality Monitoring Station in the Urban Area by Using the Envi-met Model  

Kim, Min-Kyoung (Department of Interdisciplinary Program of Environmental System Pusan National University)
Lee, Hwa Woon (Division of Earth Environmental System, Pusan National University)
Dou, Woo-Gon (Busan Institude of Health and Environment)
Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering/Atmospheric Environment Information Research Center, Inje University)
Publication Information
Journal of Environmental Science International / v.18, no.9, 2009 , pp. 941-952 More about this Journal
Abstract
The urban microscale wind field around the air quality monitoring station was investigated in order to check how a building complex influences it. For this study as the high density areas Jwa-dong and Yeonsan-dong monitoring sites in Busan were chosen. As the direction of inflow which is perpendicular to the building of the monitoring station was expected to cause the considerable variation of the wind field, that direction was selected. The model Envi-met was used as the diagnostic numerical model for this study. It is suitable for this investigation because Envi-met has the microscale resolution. After simulating it, on the leeward side around a building complex the decrease of flow velocity and some of vortexes or circulation area were discovered. In addition, on the edge of the top at the building and at the back of the building the upward flow was developed. If the sampling hole of monitoring site were located in this upward flow, it would be under the influence of upward flow from the near street.
Keywords
Microscale wind field; Air quality monitoring station; Building complex; Envi-met;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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