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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43609

Title: Sea Surface Height Oscillation with Quasi-four-month Period along the Continental Slope in the Northern South China Sea
Authors: CHOW Chun Hoe;LIU Qinyu
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Keywords: sea surface height;heat advection;eddies;continental slope
Date: 2012
Issue Date: 2017-10-19T02:24:17Z
Publisher: Chinese Journal of Oceanology and Limnology
Abstract: Abstract:The sea surface height oscillation with a quasi-four-month period (SSHO4) along continental
slope in the northern South China Sea (NSCS) is detected using satellite altimeter data and an ocean
model simulation. The SSHO4 is at southwest of Dongsha Island, and is characterized by a wavelength
of ~600 km and a southwestward phase speed of ~0.1 m/s. Crossing the climatological background SST
front, geostrophic currents corresponding to the SSHO4 generally induce sea surface temperature (SST)
“tongues” during January–March. The cold and warm SST tongues appear southwest of cyclonic and
anticyclonic eddies, respectively. The distance between the warm and cold SST tongues is about half the
wavelength of the SSHO4. The geostrophic currents play an important role in lateral mixing, as manifested
by the SST tongue phenomena in the NSCS.
Relation: 30(2) pp.352-359
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43609
Appears in Collections:[海洋環境資訊系] 期刊論文

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