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http://dx.doi.org/10.5322/JESI.2022.31.6.525

Analysis of Asian Dust Transportation Time and Wind Farm in Baengnyeongdo Island and the Metropolitan Area  

Jo, Won Gi (Institute of Environmental Geosciences, Pukyong National University)
Kang, Dong-hwan (Institute of Environmental Geosciences, Pukyong National University)
Park, Gyeong-Deok (Institute of Environmental Geosciences, Pukyong National University)
Yang, Minjune (Division of Earth Environmental System Sciences, Major of Earth & Environmental Sciences, Pukyong National University)
Publication Information
Journal of Environmental Science International / v.31, no.6, 2022 , pp. 525-533 More about this Journal
Abstract
Baengnyeongdo, located within the Asian dust stream, is an ideal place to analyze Asian dust moving into the West Sea due to its low emission of artificial pollutants. Baengnyeongdo is being used to analyze the vertical distribution of dust from the lower atmosphere to the upper layer through remote observation. This study compared the ground concentration of dust between Baengnyeongdo and the metropolitan area, estimated the lag time of transport of Asian dust from Baengnyeongdo to the metropolitan area, and examined the homogeneity of upper winds using the rawinsonde method. The results showed that the cross correlation coefficient was higher and the lag time was shorter for each observation station when the distance from Baengnyeongdo was shorter. The upper wind at Baengnyeongdo is dominated by the west/northwest wind. It is the basis for the correlation of dust concentration between Baengnyeongdo and the metropolitan area located to the east. In the future, upper wind data and Asian dust concentration data over the West Sea and Baengnyeongdo are expected to contribute to research related to the movement and prediction of Asian dust and preparation for Asian dust in the metropolitan area.
Keywords
Asian dust; Ground concentration; Cross correlation; Lag time; Rawinsonde;
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