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Sang-Keun Song(Sang-Keun Song),Yoo-Keun Kim(Yoo-Keun Kim),Yun-Seob Moon(Yun-Seob Moon) 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.E1
Meteorological mechanisms in association with long-range transport of Asian dust in April 2001 have been investigated using weather maps, satellite images, TOMS and surface PM_10 data, backward trajectories, plus modeling output results (geopotential heights, horizontal wind vectors, potential temperatures, and streamlines). The results indicated that long-range transport of Asian dust to the west coast of North America was associated with strong westerlies between the Aleutian low and the Pacific high acting as a conveyor belt. Accelerating westerly flows due to cyclogenesis at the source regions over East Asia transported pollution from the continent to the central Pacific. When the system reached the Aleutian Islands, the intensity of troughs and the westerlies were amplified in the North Pacific. Thereafter the winds between the Aleutian Islands and the Pacific Ocean were more intensified from the air flow transport of the conveyor belt. Consequently, the strong wind in the conveyor belt enhanced the dust transport from the Pacific Ocean to the west coast of North America. This was evidenced by PM_10 concentration (maximum of about 100㎍m³) observed in California. Further evidence of the dust transport was found through the observation of satellite images, the distribution of TOMS aerosol index, and the analyses of streamlines and backward trajectories.
Impact of hs-CRP on outcomes in acute myocardial infarction according to LDL cholesterol level (초)
( Sang Woong Choi ),( Yun Kyeong Cho ),( Jae Pil Lee ),( Ji Hyun Sohn ),( Hyun Ok Cho ),( Hyoung Seob Park ),( Hyuck Jun Yoon ),( Hyung Seop Kim ),( Chang Wook Nam ),( Seung Ho Hur ),( Yoon Nyun Kim ) 대한내과학회 2012 대한내과학회 추계학술대회 Vol.2012 No.1