|
KMID : 1024520220310060515
|
|
Journal of the Environmental Sciences
2022 Volume.31 No. 6 p.515 ~ p.524
|
|
|
Characteristics of Meteorological Parameters and Ionic Components in PM2.5 during Asian Dust Events on November 28 and 30, 2018 at Busan
|
|
Jeon Byung-Il
|
|
|
Abstract
|
|
|
|
This study investigated characteristics of meteorological parameters and ionic components of PM2.5 during Asian dust events on November 28 and 30, 2018 at Busan, Korea. The seasonal occurrence frequencies of Asian dust during 1960∼2019 (60 years) were 81.7% in spring, 12.2% in winter, and 6.1% in autumn. Recently, autumn Asian dust occurrence in Busan has shown an increasing trend. The result of AWS (automatic weather station), surface weather chart, and backward trajectory analyses showed that the first Asian dust of Nov. 28, 2018, in Busan came with rapid speed through inner China and Bohai Bay from Mongolia. The second Asian dust of Nov. 30, 2018, in Busan seems to have resulted from advection and deposition of proximal residual materials. These results indicated that understanding the characteristics of meteorological parameters and ionic components of PM2.5 during Asian dust events could provide insights into establishing a control strategy for urban air quality.
|
|
|
KEYWORD
|
|
|
Asian dust, Meteorological parameter, Backward trajectory, PM2.5
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|