| 东海北部气旋涡区冬半年水文特征的初步分析 |
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| 引用本文： | 丁宗信.东海北部气旋涡区冬半年水文特征的初步分析[J].海洋科学,1985,9(5):1-5. |
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| 作者姓名： | 丁宗信 |
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| 作者单位： | 中国科学院海洋研究所 |
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| 摘 要： | 关于东海北部气旋涡区夏半年水文结构及其逐月变化,作者已作了比较系统的分析。本文是上述工作的继续。鉴于冬半年海水的温、盐度等要素垂直分布均匀,其结构简单,而夏半年几个突出的水文现象大多没有出现,因此,本文叙述的方式和内容同前文是不同的。 迄今,只有毛汉礼等(1964)曾对研究海区冬季的水文特征以及海水类型作过分析,但对这一海区的水文特征在冬半年的变化规律尚未见报道。历史资料表明,该海区在冬
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THE HYDROLOGIC FEATURE IN THE CYCLONIC EDDY REGION OF THE NORTHERN EAST CHINA SEA IN THE COLD SEASONS |
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| Abstract: | Some hydrologic phenomena in the cyclonic eddy region oi the Northern East China Sea in the cold seasons (October-April) are discussed in this paper on the basis of the temperature and salinity data during October 1979-April 1980. The monthly tongue shaped southeastward development of continental mixed water of the southern Huanghai Sea is a main hydrologic characteristic in the winter seasons in this region. The warm and salinic East China Sea Surface Water extending during July-October and March-May -and contracting during October-February and May-June, is closely related to the variations of both the Kuroshio and Huanghai Sea Coastal Current. Lower salinity core formed in this region is caused by the intensification of the Taiwan Warm Current which turns the direction of the Huanghai Sea Coastal Current northeastward near 33°N. The appearance of lower salinity core indicates the variation of anticyclonic circulation in the Huanghai Sea and East China Sea and makes its range contract to a great extent. |
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