| 东海黑潮温盐与中国东部气温和降水的相互关系 |
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| 引用本文： | 吴志彦,陈红霞,刘娜.东海黑潮温盐与中国东部气温和降水的相互关系[J].海洋通报(英文版),2010,12(1):1-9. |
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| 作者姓名： | 吴志彦 陈红霞 刘娜 |
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| 作者单位： | 1. 威海市气象局,山东,威海,264200
2. 国家海洋局,第一海洋研究所,山东,青岛,266061;海洋环境科学和数值模拟国家海洋局重点实验室,山东,青岛,266061 |
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| 基金项目： | National Natural Science Foundation Project 'Multi-core Structure of Antarctic Circumpolar Current and a Dynamic View of Its Spatial-temporal Variation'，The key project of the National Natural Science Foundation of China 'Diagnostic Analysis and Numerical Simulation of the Inter-decadal Variations of East Asian Summer Monsoon and Summer Precipitation in East of China'，The key project of the Major Natural Fundamental Researches of Universities in Jiangsu Province 'Research of development and prediction theory of Drought and Flood in the mid-lower reaches of Yangtze River' |
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| 摘 要： | 采用东海黑湖主流段长时间序列的实测温盐资料，研究了东海黑潮上层温度、上层盐度的变化及其与中国东部降水和地面气温的关系。结果表明，在过去50年内，东海黑潮上层海温呈上升趋势，而上层盐度略呈下降趋势。东海黑潮上层海温和我国东部地面气温的关系在冬季十分密切，呈现出大面积显著的正相关，这与冬季南下冷空气的整体降温作用有关。夏季，长江中下游江水的增多致使大量长江冲淡水入海，导致黑潮上层水盐度下降，此时东海黑潮上层盐度与我国大陆东部降水呈负相关。
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| 关 键 词： | 东海 黑潮 气候 中国东部 |
Relationship between East China Sea Kuroshio and Climatic elements in East China |
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| WU Zhi-yan,CHEN Hong-xia,LIU Na.Relationship between East China Sea Kuroshio and Climatic elements in East China[J].Marina Science Bulletin,2010,12(1):1-9. |
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| Authors: | WU Zhi-yan CHEN Hong-xia LIU Na |
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| Institution: | 1. Weihai Meteorological Bureau, Weihai 264200, Shandong Province, China;2. Key Lab of Marine Science and Numerical Modeling, First Institute of Oceanography, SOA, Qingdao 266061, Shandong Province, China;3. The First Institute of Oceanography, SOA, Qingdao 266061, Shandong Province, China) |
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| Abstract: | Using long term observation data in the main part of East China Sea Kuroshio, variations of Kuroshio upper layer temperature and salinity, their relationships with surface temperature and precipitation in east China are studied. Results reveal that the Kuroshio upper layer temperature experienced slight rise while salinity decreased in the past 50 years. In winter, Kuroshio upper layer temperature is closely related to the surface temperature in east China, and large area in east China shows positive correlation to the Kuroshio upper layer temperature, which might be related to the mass temperature reduction as a result of the cold air activities in winter. In summer, the increase of the precipitation causes the increase of diluted Yangtze River water into the shelf sea, thereby results in the salinity decrease of Kuroshio in the upper layer. |
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| Keywords: | Kuroshio East China Sea Climatic elements |
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