Warming trend in northern East China Sea in recent four decades |
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| Authors: | Xiaohui Tang Fan Wang Yongli Chen Mingkui Li |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China;(2) Graduate School of Chinese Academy of Sciences, Beijing, 100039, China;(3) Key Laboratory of Ocean Circulation and Waves (KLOCAW), Chinese Academy of Sciences, Qingdao, 266071, China |
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| Abstract: | Global warming has become a notable trend especially since an abrupt climate change in 1976. Response of the East China Sea
(ECS) to the global warming trend, however, is not well understood because of sparse long-term observation. In this paper,
hydrographic observation data of 1957–1996 are collected and reviewed to study climatological variability in northern ECS.
Significant warming trends are found in both summer and winter. In summer, the average SST is about 0.46°C higher during the
period of 1977–1996 than that of 1957–1976, and the Taiwan Warm Current Water (TWCW) was strengthened. In winter, despite
of the cooling effect in the coastal areas adjacent to the Changjiang (Yangtze) River Estuary (CRE), the average SST increase
was about 0.53°C during the same period. The causes of this SST warming up in summer are different from in winter. The warming
trend and intensification of the TWCW in summer were primarily influenced by the strengthening of the Kuroshio transport,
while the warming in winter was mainly induced by the variability of the climate system.
Supported by the National Basic Research Program of China (No. 2006CB403601) and the Knowledge Innovation Program of the Chinese
Academy of Sciences (No.KZCX2-YW-Q11-02) |
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| Keywords: | Keyword" target="_blank">Keyword global warming climate change East China Sea sea surface temperature long-term variability |
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