| 源区黑潮热输送低频变异及其与中国近海SST异常变化的关系 |
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| 引用本文： | 齐庆华,蔡榕硕,张启龙.源区黑潮热输送低频变异及其与中国近海SST异常变化的关系[J].台湾海峡,2010,29(1):106-113. |
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| 作者姓名： | 齐庆华 蔡榕硕 张启龙 |
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| 作者单位： | 1. 国家海洋局第三海洋研究所、国家海洋局海洋-大气化学与全球变化重点实验室,福建,厦门,361005
2. 中国科学院海洋研究所,山东,青岛,266071 |
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| 基金项目： | 国家海洋908专项资助项目，国家重点基础研究发展计划资助项目，国家海洋局第三海洋研究所基本科研业务费专项资金资助项目 |
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| 摘 要： | 基于长时间序列的水温和盐度资料，通过动力计算方法估算了源区黑潮（18°N断面）热输送量，分析了源区黑潮热输送变异和中国近海SST异常的年际、年代际时空变化特征及两者之间的相互关系．结果显示，源区黑潮热输送异常呈现出显著的以2—7、10～20a和约30a为主周期的年际、年代际变化，且具有线性增强的长期变化趋势．并约于1976年前后发生了一次显著气候跃变．中国近海SST年际、年代际异常变化的最显著区域位于渤海、黄海、东海海域和台湾海峡．源区黑潮热输送变异在年际、年代际尺度上与中国近海SST异常变化密切相关，源区黑潮热输送变异可能是影响中国近海SST异常变化的重要因素之一．
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| 关 键 词： | 物理海洋学 源区黑潮 热输送 SST异常 中国近海 |
Low-frequency variability of the heat transport in source area of Kuroshio and its relation to SST in China seas |
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| QI Qing-hua,CAI Rong-shuo,ZHANG Qi-long.Low-frequency variability of the heat transport in source area of Kuroshio and its relation to SST in China seas[J].Journal of Oceanography In Taiwan Strait,2010,29(1):106-113. |
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| Authors: | QI Qing-hua CAI Rong-shuo ZHANG Qi-long |
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| Institution: | QI Qing-hua1,CAI Rong-shuo1,ZHANG Qi-long2(1.Key Lab of Global Change , Marine-atmospheric Chemistry,Third Institute of Oceanography,SOA,Xianmen 361005,China,2.Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China) |
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| Abstract: | Based on a long time temperature and salinity data, the heat transport of the source area of Kuroshio (characterized by 18°N section) was calculated using dynamical method. The interannual and interdecadal variability of heat transport anomaly in the source area of Kuroshio and SST anomaly in China seas and their relations are analyzed. The results show that, the heat transport anomaly in the source area of Kuroshio presents striking interannual and interdecadal variations with periods of 2～7a,10～20a and 30a. With an obvious linear increasing trend, there is a climate shift in the heat transport anomaly in the source area of Kuroshio around 1976. The most remarkable interannual and interdecadal variations of the SST are found in the Bohai Sea, the Yellow Sea, the East China Sea and Taiwan Strait. The SST anomalies in China seas are related well with the heat transport in the source area of Kuroshio on interannual and interdecadal timescales, indicating that the heat transport anomaly in the source area of Kuroshio may be one of important factors impacting the anomalous variation of SST in China seas. |
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| Keywords: | physical oceanography source area of Kuroshio heat transport SST anomaly offshore area of China |
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