Meteorological Analysis for the Transport Processes of Photochemical Oxidant Around Shiga Prefecture
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概要
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Causes of high photochemical oxidant at Nagahama city, located in the O-mi basin, were examined by using surface meteorological data from the 1992-2001 warm seasons. Long-range transportation of photochemical oxidants from Osaka, Kyoto and Fukui prefecture was not detected in cases where the weather was favorable. There was a possibility of transportation from Gifu prefecture by southeasterly winds associated with migrating high pressure systems and following extra-tropical cyclones. Under conditions where land-breezes are prevalent, Hikone will experience high concentrations of nitrogen oxide during the night and early morning; on such occations there is an increase in the afternoon of photochemical oxidants in Nagahama city. Possible mechanisms of short-range transportation of air pollution affected by the land-lake breeze circulation around the Lake Biwa were discusses.
- 社団法人 大気環境学会の論文
社団法人 大気環境学会 | 論文
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