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Westward shift of the Yellow Sea warm salty tongue
Author(s) -
Huang Daji,
Fan Xiaopeng,
Xu Dongfeng,
Tong Yuanzheng,
Su Jilan
Publication year - 2005
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2005gl024749
Subject(s) - baroclinity , barotropic fluid , ekman transport , geology , climatology , advection , oceanography , hydrography , ridge , sea surface height , sea surface temperature , upwelling , paleontology , physics , thermodynamics
The accumulated in situ hydrographic survey as well as the satellite observed sea surface temperature (SST) show consistent westward shifting of the Yellow Sea Warm Salty Tongue (YSWST) in winter. A 2‐D thermal model is used to show the westward shifting of the YSWST due to cooling and advection. The MITgcm is applied to simulate the circulation in the Yellow and East China Seas. Under the northern monsoon wind in winter, the sea surface height (SSH) is adjusted to have a ridge in the channel and a trough in the 50–70 m iso‐bath in the Yellow Sea. The barotropic transport of SSH and baroclinic transport of horizontal density gradient play the major role for the shifting of the YSWST, while the Ekman wind drift plays a minor role.