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Spatial and Temporal Features of PM10 Evolution Cycle in the Korean Peninsula
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 Title & Authors
Spatial and Temporal Features of PM10 Evolution Cycle in the Korean Peninsula
Jang, Jae-Hoon; Lee, Hwa-Woon; Lee, Soon-Hwan;
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Power spectral analysis for observed at 10 cities in the Korean Peninsula from 2004 to 2010 was carried out to examine the spatial and temporal features of evolution cycle. The power spectrum analysis proposed 9 typical cycles (0.5 day, 1day, 5.4day, 8~10day, 19~21day, 26day, 56day, 180day and 365day) for evolution and the cycles are strongly associated with dilution and transportation due to the meterological influence. The spectrum intensity of 5.4day and 26day evolution cycles mainly depend on the advection cycles of synoptic pressures system and long-term variation of climatological forcing, respectively. The intensity of evolution with longer temporal cycles than one day tends to be stronger in La nia period in comparison with that in El nio period. Mean of typical intensity of evolution in La nia period estimated to be 30% larger than El nio period. Thus the global scale meteorological phenomena such as El nio and La nia also can influence the variation of wind system in the Korean Peninsula and evolution. but global scale forcing tends to influence different manner for evolution in accordance with its temporal cycles.
Power spectral analysis; concentration;Wind;Evolution cycle;Climate condition;
 Cited by
초등학교의 실내공기질 중 $PM_{10}$과 TBC 농도 특성 조사,정준식;전형진;이민종;송혜숙;정현성;김성미;이우석;최성호;

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