Typhoon-induced Full Vertical Mixing and Subsequent Intrusion of Yangtze Fresh Waters in the Southern Yellow Sea: Observation with an Underwater Glider and GOCI Ocean Color Imagery SCIE SCOPUS

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Title
Typhoon-induced Full Vertical Mixing and Subsequent Intrusion of Yangtze Fresh Waters in the Southern Yellow Sea: Observation with an Underwater Glider and GOCI Ocean Color Imagery
Author(s)
Lim, Hak Soo; Kim, Dong Ha; Lee, Hee Jun; Kim, Min Woo; Jin, Seung Hwan; Miles, Travis N.; Glenn, Scott
KIOST Author(s)
Lim, Hak Soo(임학수)Kim, Dong Ha(김동하)Jin, Seung Hwan(진승환)
Alternative Author(s)
임학수; 김동하; 이희준; 김민우; 진승환
Publication Year
2021-10
Abstract
Coconut Creek (Florida), ISSN 0749-0208. Typhoons have been regarded as an important forcing to control oceanographic phenomena, particularly in the Yellow and East China Seas. The influences of typhoons have become increasingly severe due to global warming. An autonomous underwater glider was deployed west of Jeju Island for 10 days from 15th to 25th August, 2018 to observe changes in physical environments induced by Typhoon Soulik. The glider data show that the stratified water masses were destroyed by the typhoon into a fully mixed stage of the entire water column. This destratification is manifested by many environmental parameters including temperature, salinity, chlorophyll-A, and suspended sediment concentrations. Accordingly, calculated parameters, density, and Richardson number, indicate de-stratification. The water column displayed, however, a rapid return to the stratification stage immediately after the typhoon passage. In addition, the GOCI geostationary ocean color imagery was analyzed that were obtained during and after the passage of Soulik between 15-25 August, 2018. These satellite images suggest that the discharge of the Yangtze River fresh water so increased during the typhoon that the intensified freshwater plume could move toward Jeju Island. As a result, observations with an autonomous glider may provide a promising means in analyzing oceanographic processes occurring during the peak of typhoons. © 2021 Coastal Education Research Foundation Inc.. All rights reserved.
ISSN
0749-0208
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/42145
DOI
10.2112/JCR-SI114-035.1
Bibliographic Citation
Journal of Coastal Research, v.114, no.sp1, pp.171 - 175, 2021
Publisher
Coastal Education Research Foundation Inc.
Keywords
GOGI observation; ocean de-stratification; Typhoon-ocean interaction; underwater glider; Yangtze diluted water
Type
Article
Language
English
Document Type
Article
Publisher
Coastal Education Research Foundation Inc.
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