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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Nationwide levels and distribution of endosulfan in air, soil, water, and sediment in South Korea

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dc.contributor.author Kim, Leesun ko
dc.contributor.author Jeon, Jin-Woo ko
dc.contributor.author Son, Ji-Young ko
dc.contributor.author Kim, Chul-Su ko
dc.contributor.author Ye, Jin ko
dc.contributor.author Kim, Ho-Joong ko
dc.contributor.author Lee, Chang-Ho ko
dc.contributor.author Hwang, Seung-Man ko
dc.contributor.author Choi, Sung-Deuk ko
dc.date.available 2020-10-22T08:04:05Z -
dc.date.created 2020-09-16 ko
dc.date.issued 2020-10 ko
dc.identifier.citation ENVIRONMENTAL POLLUTION, v.265, pp.115035 ko
dc.identifier.issn 0269-7491 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/48177 -
dc.description.abstract We investigated the levels and distribution patterns of alpha- and beta-endosulfan and endosulfan sulfate in air, soil, water, and sediment samples collected from the South Korean persistent organic pollutants (POPs) monitoring networks. In the air samples, the highest concentrations of the total (Sigma(3)) endosulfan (50.3 -611 pg/m(3), mean: 274 pg/m(3)) were observed during summer. Spearman analysis revealed a good correlation between agricultural land area and atmospheric concentrations of Sigma(3) endosulfan except during winter. Regardless of the season, the ratio of the two isomers (alpha/beta) was 3.6-4.9 in the air samples, higher than that observed in technical mixtures (2.0-2.3), possibly due to the higher volatility of alpha-endosulfan, compared to beta-endosulfan. Concentrations of Sigma(3) endosulfan in the soil samples (n.d.-13.4 ng/g, mean: 0.8 ng/g) were not significantly different except at some stations adjacent to large areas of farmland. The average levels of Sigma(3) endosulfan in the water and sediment samples were 2.1 ng/L and 0.1 ng/g dw, respectively. In analyzing the four largest rivers, it was observed that a few water stations during spring and fall and sediment stations in fall had high concentrations of the two isomers and endosulfan sulfate, particularly around the Yeoungsan and Nakdong Rivers near large areas of agricultural land. Endosulfan sulfate was dominant at most water and sediment sampling stations. This study demonstrates that the endosulfan found in most environmental compartments most probably derives from agricultural areas despite its ban as a pesticide. On the other hand, given that it was also detected in industrial and urban areas, in which pesticide application does not occur, it can be conjectured that endosulfan is aerially transported at higher temperatures and continuously circulates within the environment. (C) 2020 Elsevier Ltd. All rights reserved. ko
dc.language 영어 ko
dc.publisher ELSEVIER SCI LTD ko
dc.title Nationwide levels and distribution of endosulfan in air, soil, water, and sediment in South Korea ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85087214935 ko
dc.identifier.wosid 000564561100006 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.envpol.2020.115035 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0269749120313634 ko
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