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Cho, Kyung Hwa
Water-Environmental Informatics Lab (WEIL)
Research Interests
  • Water Quality Monitoring and Modeling, Water Treatment Process Modeling

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When river water meets seawater: Insights into primary marine aerosol production

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dc.contributor.author Park, Jiyeon ko
dc.contributor.author Jang, Jiyi ko
dc.contributor.author Yoon, Young Jun ko
dc.contributor.author Kang, Sujin ko
dc.contributor.author Kang, Hyojin ko
dc.contributor.author Park, Kihong ko
dc.contributor.author Cho, Kyung Hwa ko
dc.contributor.author Kim, Jung-Hyun ko
dc.contributor.author Dall'Osto, Manuel ko
dc.contributor.author Lee, Bang Yong ko
dc.date.available 2021-11-25T08:08:10Z -
dc.date.created 2021-11-22 ko
dc.date.issued 2022-02 ko
dc.identifier.citation SCIENCE OF THE TOTAL ENVIRONMENT, v.807, no.2, pp.150866 ko
dc.identifier.issn 0048-9697 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/54860 -
dc.description.abstract The impact of inorganic salts and organic matter (OM) on the production of primary marine aerosols is still under debate. To constrain their impact, we investigated primary aerosols generated by a sea-spray generator chamber using surface water samples from rivers, estuaries, and seas that were collected along salinity gradients in two temperate Korean coastal systems and one Arctic coastal system. Salinity values showed an increasing trend along the river-estuary-coastal water transition, indicating the lowest amount of inorganic salts in the river but the highest amount in the sea. In river samples, the lowest number concentration of primary aerosol particles (1.01 x 10(3) cm(-3)) was observed at the highest OM content, suggesting that low salinity controls aerosol production. Moreover, the number concentration of primary aerosols increased drastically in estuarine (1.13 x 10(4) cm(-3)) and seawater (1.35 x 10(4) cm(-3)) samples as the OM content decreased. Our results indicate that inorganic salts associated with increasing salinity play a much larger role than OM in aerosol production in river-dominated coastal systems. Laboratory studies using NaCl solution supported the conclusion that inorganic salt is a critical factor in modulating the particles produced from river water and seawater. Accordingly, this study highlights that inorganic salts are a critical factor in modulating the production of primary marine aerosols. (C) 2021 The Authors. Published by Elsevier B.V. ko
dc.language 영어 ko
dc.publisher ELSEVIER ko
dc.title When river water meets seawater: Insights into primary marine aerosol production ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85117186173 ko
dc.identifier.wosid 000711161700003 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.scitotenv.2021.150866 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0048969721059441?via%3Dihub ko
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