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자료유형
학술저널
저자정보
저널정보
한국기상학회 Asia-Pacific Journal of Atmospheric Sciences 한국기상학회지 제39권 제2호
발행연도
2003.4
수록면
251 - 263 (13page)

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Source regions of Asian dust include the temperate arid lands from 75E to 125E and from 35N to 50N. The major wind-erosion area are the sandy lands in western and northwestern China together with the extensive regions of the Gobi region in northern and northeastern China, especially along the basin of the Yellow River (Liu, 1985 and Walker, 1982; Shao, 2000). Although the most of the dust phenomena influencing Korea were originated in the central part of Asian continent, however, Asian dust was occasionally originated in the sandy lands from 119E to 124E and from 42N to 45N know as Keoeolchin in Liaoning province of China which locate between Beijing and northern part of Korean peninsula. The purpose of this study is to investigate the Asian dust events originated in Keoeolchin sandy land through the old literature and to find out some characteristic features of that events. The features of synoptic weather pattern, air stream flow, total suspended particulate's concentration and aerosol number concentration were investigated for the Asian dust event of 7 March 2000 which was originated in Keoeolchin sandy land. The results showed that the characteristic feature of the synoptic system associated with Asian dust phenomena is a strong wind mobilized the dust just one day before Asian dust phenomenon being observed in the central part of Korean peninsula. The wind was remarkably intensified in Keoeolchin sandy land under the strong pressure gradient. The satellite image and trajectory analysis showed that the dust particle could be reached to Korea from Keoeolchin sandy land. The TSP concentration in the central part of Korea during Asian dust event originated in Keoeolchin sandy land was abruptly increased. The size resolved number concentration of aerosols ranging from 1.35 to 25 ㎛ in Seoul of Korea showed the abrupt increase during dust phenomenon.

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Abstract
1. 도입
2. 연구 방법
3. 2000년 만주에서 발원한 황사 사례 연구
4. 결론 및 고찰
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