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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/25620

Title: Satellite observation on the exceptional intrusion of cold water and its impact on coastal fisheries around Peng-Hu Islands, Taiwan Strait
Authors: Ming-An Lee;Yi Chang;K.T. Lee;K.W. Lan
Contributors: NTOU:Department of Environmental Biology and Fisheries Science
國立臺灣海洋大學:環境生物與漁業科學學系
Date: 2008
Issue Date: 2011-10-20T08:24:45Z
Publisher: Guangzhou, China
Abstract: abstract:The satellite-derived sea surface temperature (SST) data in winter of 2003-2008 are used to examine the exceptional intrusion of China Coastal Current into the Taiwan Strait. The monthly SST differences in January and February 2008 were about 5°C higher and 7°C lower than that of the 5-year average, respectively. The satellite data showed that the China Coastal Current intruded from the north of Chang-Yuen Ridge into the waters surrounding the Peng-Hu Islands, while wind speed of more than 6.7 m/s was lasting for about 3 weeks in the same period. The exceptional intrusion resulted in the minimum SST of 12.6°C on 16 February, 8.2°C lower than the 5-year average of February (20.8°C). The higher SST (>18°C) appeared after 21 February, an indication of the northward recession of the cold water. It was emphasized that the China Coastal Current intruded to as far south as the water around Peng-Hu Islands from 15 to 21 February. Before and after the period of exceptional intrusion around Peng-Hu Islands, the impacts on coastal fisheries were evaluated. The wind speed also showed a sharp increase since 16 January, the strong wind speed peaked to the maximum of 8 m/s and lasted for more than 3 weeks with an average of 6.7 m/s. We thus suggested that the exceptional cold SSTs around Chang-Yuen Ridge and Peng-Hu Islands in February of 2008 probably were caused by the more southward intrusion of China Coastal Current driven by the continuous strong wind.
Relation: pp.31
URI: http://ntour.ntou.edu.tw/handle/987654321/25620
Appears in Collections:[環境生物與漁業科學學系] 演講及研討會

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