Imaging the Yellow Sea Bottom Cold Water from multichannel seismic data SCIE SCOPUS

Cited 2 time in WEB OF SCIENCE Cited 2 time in Scopus
Title
Imaging the Yellow Sea Bottom Cold Water from multichannel seismic data
Author(s)
Moon, Hye-Jin; Kim, Han-Joon; Kim, Chung-Ho; Moon, Seonghoon; Lee, Su-hwan; Kim, Jin Soo; Jeon, Chung-Kyun; Lee, Gwang Hoon; Lee, Sang Hoon; Baek, YoungSook; Jou, Hyeong-Tae
KIOST Author(s)
Moon, Hyejin(문혜진)Kim, Han Joon(김한준)Kim, Chung Ho(김충호)Moon, Seonghoon(문성훈)Lee, Su Hwan(이수환)Jeon, Chung Kyun(전청균)Lee, Sang Hoon(이상훈)Jou, Hyeong Tae(주형태)
Publication Year
2017-10
Abstract
The Yellow Sea Bottom Cold Water (YSBCW) is a large cold water mass lying in the deep part of the Yellow Sea during the warm season. We acquired multichannel seismic (MCS) data using an air gun source to image the structure of the YSBCW. The MCS data recorded reflections from sea water. The recognition of these reflections was confirmed by finite-difference seismic modeling in the frequency-domain. The seismic section from MCS data enabled discrimination of water masses distinctly separated by reflecting horizons. The structure of the water masses is fairly consistent with temperature-depth variations obtained using expandable bathythermograph (XBT) casts. The YSBCW is imaged as the lowermost water mass, maximally 40 m thick, that extends as a lens-like form along the sea bottom under the warm mixed layer. The correlation of XBT measurements and the seismic section indicates a rapid decrease in temperature from around 11 to 8 degrees C in the uppermost part of the YSBCW. A transition zone between the mixed layer and the underlying YSBCW is also defined. This transition zone has fairly uniform thickness of 14-18 m and marks an interval of rapid temperature drop, indicating vigorous thermal mixing. Our study demonstrates that MCS profiling is a useful and reliable tool for imaging fine structures in the shallow Yellow Sea.
ISSN
0916-8370
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/1146
DOI
10.1007/s10872-017-0426-0
Bibliographic Citation
JOURNAL OF OCEANOGRAPHY, v.73, no.5, pp.701 - 709, 2017
Publisher
SPRINGER
Subject
CLIMATOLOGY; LAYER
Keywords
Yellow Sea; Seismic oceanography (SO); Multichannel seismic (MCS) section; Yellow Sea Bottom Cold Water (YSBCW)
Type
Article
Language
English
Document Type
Article
Publisher
SPRINGER
Related Researcher
Research Interests

Seismic data processing,Seismic modeling,Machine learning,탄성파 자료처리,탄성파모델링,머신러닝

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