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Classification of Synoptic Meteorological Conditions for the Medium or Long Term Atmospheric Environmental Assessment in Urban Scale  

Kim, Cheol-Hee (Division of Earth Environmental System, Pusan National University)
Son, Hye-Young (Division of Earth Environmental System, Pusan National University)
Kim, Ji-A (Division of Earth Environmental System, Pusan National University)
Publication Information
Journal of Environmental Impact Assessment / v.16, no.2, 2007 , pp. 157-168 More about this Journal
Abstract
In case there is a need to run the multi-year urban scale air qulaity model, it is a difficult task due to the computational demand, requiring the statistical approach for the long time atmospheric environmental assessment. In an effort to approach toward long term urban assessment, the sixteen synoptic meteorological conditions are statistically classified from the estimated geostrophic wind speeds and directions of 850 hPa geopotential height field during 2000 ~ 2005. The geostrophic wind directions are subdivided into four even intervals (north, east, south, and west), geostrophic wind speeds into two classes(${\leq}5m/s$ and >5m/s), and daily mean cloud amount into 2 classes(${\leq}5/10$ and >5/10), which result into sixteen classes of the synoptic meteorological cases for each season. The frequency distributions for each 16 synoptic meteorological case are examined and some discussions on how these synoptic classifications can be used in the environmental assessment are presented.
Keywords
classification of synoptic meteorological condition; geostrophic wind; urban scale atmospheric environmental assessment;
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