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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43607

Title: Eddy-advective effects on the temperature and wind speed of sea surface in the Northwest Pacific Subtropical Countercurrent area from satellite observations
Authors: Chun Hoe Chow;Qinyu Liu
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Date: 2013
Issue Date: 2017-10-19T02:16:41Z
Publisher: International Journal of Remote Sensing
Abstract: Abstract:In this study, satellite microwave and altimeter data from 1998 to 2007 are used to quantify the eddy-induced meridional heat advection (EMHA) in the Northwest Pacific Subtropical Countercurrent area. Generally, from March to May, the robust EMHA is formed at the point where meridional currents of eddies cross a zonal front of climatological background sea surface temperature (SST). The EMHA shifts westwards with eddies and varies seasonally with the SST front. It warms (cools) the sea surface west of anticyclonic (cyclonic) eddies, inducing noticeable SST anomalies (SSTAs), which are westwardly phase shifted from the eddy-induced sea surface height anomalies by about 90°. Surface wind subsequently varies with the induced SSTAs: it blows faster (slower) over the warm (cold) SST regions than the surroundings. The spatial variations of SST and sea surface wind due to the EMHA shift westwards with eddy motion. These findings from satellite observations give us the possibility of studying the role of oceanic eddies in ocean–atmosphere interaction at the timescale of weather systems in an open ocean.
Relation: 34(2)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43607
Appears in Collections:[海洋環境資訊系] 期刊論文

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