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연구 논문 : OMI 이산화황자료와 HYSPLIT 역궤적 계산을 이용한 동북아지역의 장거리 수송되는 이산화황 유입량 산출
박준성 ( Jun Sung Park ),홍현기 ( Hyun Kee Hong ),최원이 ( Wo Nei Choi ),이한림 ( Han Lim Lee ) 대한원격탐사학회 2014 大韓遠隔探査學會誌 Vol.30 No.6
In this present paper, we, for the first time, calculated SO2 inflow from China to Korea peninsula based on OMI SO2 products and HYSPLIT (Hybrid Single Particle Lagrangian Integrated Trajectory Model) backward trajectory calculations. The major factors used to estimate SO2 flux are long range transported SO2 concentration, transport speed of air mass, and thickness of transported air mass layer. The mean and maximum SO2 fluxes are estimated to be 0.81 and 2.11 g·m-2·h-1, respectively based on OMI products while, those of SO2 fluxes are 0.50 and 1.18 g·m-2·h-1 respectively using insitu data obtained at the surface. For most cases, larger SO2 inflow values were found at the surface than those estimated for the air mass layer which extends from surface up to 1.5 km. However, increased transport speed of air mass leads to the enhanced SO2 flux at the altitude up to 1.5 km at the receptor sites. Additionally, we calculate uncertainties of SO2 flux using error propagation method.