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Characteristics of sulfur-containing aerosols and organic carbon in the Amundsen Sea

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Title
Characteristics of sulfur-containing aerosols and organic carbon in the Amundsen Sea
Other Titles
아문젠해에서의 황화합물 에어로졸과 유기탄소 에어로졸의 특성
Authors
Jung, Jinyoung
Hong, Sang-Bum
Chen, Meilian
Hur, Jin
Jiao, Liping
Park, Keyhong
Hahm, Doshik
Lee, Youngju
Choi, Jung-Ok
Yang, Eun Jin
Kim, Tae-Wan
Lee, SangHoon
Issue Date
2019
Citation
Jung, Jinyoung, et al. 2019. Characteristics of sulfur-containing aerosols and organic carbon in the Amundsen Sea. SOLAS Open Science Conference. Hokkaido University. 2019.04.22~2019.04.25.
Abstract
Atmospheric concentrations of ionic species, water-soluble organic carbon (WSOC), and water-insoluble organic carbon (WIOC) were measured over the Southern Ocean and the Amundsen Sea, Antarctica between 43°S and 75°S in the austral summer of 2016 on board the Korean icebreaker IBR/V Araon. In the Amundsen Sea, MSA concentration showed a significant relationship with dimethyl sulfide (DMS) flux, and mean contribution of biogenic nss-SO42 accounted for 69 ± 34% of total nss-SO42. WIOC was the dominant OC species in both the Southern Ocean and the Amundsen Sea, accounting for 75% and 73%, respectively. WIOC and WSOC were highly enriched in submicron sea spray aerosols, and the enrichments were affected by wind speed and biological activities. Our results suggest that biogenic WSOC and WIOC as well as sulfur species in the Amundsen Sea could be an important source of cloud condensations nuclei.
URI
https://repository.kopri.re.kr/handle/201206/12227
Conference Name
SOLAS Open Science Conference
Conference Place
Hokkaido University
Conference Date
2019.04.22~2019.04.25
Appears in Collections  
2019-2019, Ocean-to-Ice Interactions in Amundsen Sea: Ice shelf melting and its impact on ocean processes (19-19) / Kim, Tae-Wan (PE19060)
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