Wintertime frontal structure and circulation at the Yellow Sea Entrance

Title
Wintertime frontal structure and circulation at the Yellow Sea Entrance
Author(s)
이흥재; 조철호; 이석; 오경희
KIOST Author(s)
Cho, Cheol Ho(조철호)Lee, Seok(이석)Oh, Kyung Hee(오경희)
Alternative Author(s)
이흥재; 조철호; 이석; 오경희
Publication Year
2013-12-10
Abstract
In winter, a tongue-shaped thermohaline front is established at the Yellow Sea (YS) entrance where the Cheju Warm Current (CWC) water, originating in the Kuroshio, and the YS cold water meet together. The frontal circulation as well as frontal structure has been investigated using comprehensive CTD data and satellite-tracked float tracks. The front develops by the westward advance of the CWC water, but it is bounded by the shallow Changjiang Banks (CB) to the west. In the northern part of the tongue-shaped frontal zone, isotherms, isohalines and isopycnals are downward declined toward the north, showing that the dense CWC water lies under the lighter YS cold water mass. A cyclonic circulation is formed around the tongue-shaped front, which consists of a westward transversal current (TC) along 34° N and a southeastward outflow along the 50-m isobath of the CB. The new observational findings of the cyclonic circulation and the TC do not match the classical paradigm of a northerly wind-driven circulation which consists of the northward inflow through the central trough and the southward outflow on the coastal sides.tal structure has been investigated using comprehensive CTD data and satellite-tracked float tracks. The front develops by the westward advance of the CWC water, but it is bounded by the shallow Changjiang Banks (CB) to the west. In the northern part of the tongue-shaped frontal zone, isotherms, isohalines and isopycnals are downward declined toward the north, showing that the dense CWC water lies under the lighter YS cold water mass. A cyclonic circulation is formed around the tongue-shaped front, which consists of a westward transversal current (TC) along 34° N and a southeastward outflow along the 50-m isobath of the CB. The new observational findings of the cyclonic circulation and the TC do not match the classical paradigm of a northerly wind-driven circulation which consists of the northward inflow through the central trough and the southward outflow on the coastal sides.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/26471
Bibliographic Citation
5th China-Korea Joint Workshop on Yellow Sea Cold Water Mass, pp.7, 2013
Publisher
중국 제1해양연구소
Type
Conference
Language
English
Publisher
중국 제1해양연구소
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