Asian dust (or yellow sand) occurring mainly in spring in East Asia is affected by the distribution of weather systems. This study was performed to investigate the characteristics of suspended particulate for Asian dust at Busan, Korea in 20 March 2010, which was one of the extreme case for the last 10 years. There was used the data of weather chart, satellite, automatic weather system (AWS), PM10, laser particle counter (LPC), and backward trajectories model.
In synoptically, the high pressure was located in the northwestern part and low pressure was located in the northeastern part of Korea. The strong westerly winds from surface to upper layer makes it possible to move air masses rapidly. Air masses passing through Gobi Desert in Mongolia and Inner Mongolia plateau covered the entire Korean peninsula. As the results of aerosol analysis, PM10 concentration at Gudeok mountain in Busan was recorded 2,344 ㎍/m3 in 2300 LST 20 March 2010 and their concentration was markedly increased at coarse mode particle. In surface condition, westerly wind about 3 ∼ 5 m/s was dominant and small particles of 0.3 ∼ 0.5 ㎛ were distributed on the whole. In heavy metal components analysis, the elements from the land was predominated.

Abstract
 1. 서 론
 2. 자료 및 분석 방법
 3. 결과 및 고찰
  3.1. 기상 상태
  3.2. 고층 기상 상태와 황사 이동
  3.3. 지상 에어로솔의 특성 분석
 4. 결 론
 참 고 문 헌

• 정운선(부경대학교 환경대기과학과) | Woon-Seon Jung (Department of Environmental Atmospheric Sciences, Pukyong National University)
• 이동인(부경대학교 환경대기과학과) | Dong-In Lee (Department of Environmental Atmospheric Sciences, Pukyong National University) Corresponding author
• 박성화(부경대학교 지구환경공학연협동과정) | Sung-Hwa Park (Interdisciplinary Program of Earth Environmental Engineering, Pukyong National University)
• 강덕두(부경대학교 지구환경공학연협동과정) | Deok-Du Kang (Interdisciplinary Program of Earth Environmental Engineering, Pukyong National University)
• 김동철(Universities Space Research Association) | Dongchul Kim