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Development of a multimedia model (POPsLTEA) to assess the influence of climate change on the fate and transport of polycyclic aromatic hydrocarbons in East Asia

Cited 4 time in Web of Science Cited 4 time in Scopus
Authors
Song, Jee Hey; Lee, Yunah; Lee, Dong Soo
Issue Date
2016-11-01
Publisher
Elsevier B.V.
Citation
SCIENCE OF THE TOTAL ENVIRONMENT Vol.569-570, pp. 690-699
Keywords
Multi-media modelEast AsiaClimate changeLong range transport
Abstract
A dynamic multimedia model (POPsLTEA) for an East Asia region was developed and evaluated to quantitatively assess how climate change (CC) alters the environmental fate and transport dynamics of 16 polycyclic aromatic hydrocarbons (PAHs) in air, water, soil, and sediment. To cover the entire model domain (25°N-50°N and 98°E-148°E) where China, Japan, and South and North Koreas are of primary concern, a total of 5000 main cells of 50 km × 50 km size were used while 1008 cells of a finer spatial resolution (12.5 km × 12.5 km) was nested for South Korea (33°N-38°N and 126°E-132°E). Most of the predicted concentrations agreed with the observed values within one order of magnitude with a tendency of overestimation for air and sediment. Prediction of the atmospheric concentration was statistically significant in both coincidence and association, suggesting the model's potential to successfully predict the fate and transport of the PAHs as influenced by CC. An example study of benzo(a)pyrene demonstrates that direction and strength of the CC influence on the pollution levels vary with the location and environmental media. As compared to the five year period of 2011 to 2015, the changes across the model domain in the annual geometric mean concentration over the years of 2021 through 2100 were predicted to range from 88% to 304%, from 84% to 109%, from 32% to 362%, and from 49% to 303%, in air, soil, surface water, and sea water, respectively, under the scenario of RCP8.5.
ISSN
0048-9697
Language
English
URI
https://hdl.handle.net/10371/116917
DOI
https://doi.org/10.1016/j.scitotenv.2016.06.127
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Graduate School of Environmental Studies (환경대학원)Dept. of Environmental Planning (환경계획학과)Journal Papers (저널논문_환경계획학과)
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