| 台湾海峡南部的海洋锋 |
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| 引用本文： | 李立,郭小钢,吴日升.台湾海峡南部的海洋锋[J].台湾海峡,2000,19(2):147-156. |
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| 作者姓名： | 李立 郭小钢 吴日升 |
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| 作者单位： | 国家海洋局第三海洋研究所,厦门,361005 |
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| 基金项目： | 福建省自然科学基金项目 !(D96 0 0 8号 )，国家自然科学基金项目 !(4945 6 0 0 1号 ) |
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| 摘 要： | 通过近期水文观测，结合卫星遥感和历史水文资料，对台湾海峡南部海域的海洋锋现象进行了整体分析。结果表明，由于多种水系在此交汇，台湾海峡南部冬、夏季匀有明显锋面发育。受季风气候影响，锋面发育有显著的季节差异。夏季影响本海区的水系主要有韩江冲淡水、上升流、南海水、和黑潮水等。它们的交汇形成了韩江冲淡水羽状锋、台湾浅滩上升流锋、黑潮锋、以及陆架／陆坡锋等的三维锋结构。韩江冲淡水和上升汉对夏季海崃南部浅海峰
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| 关 键 词： | 锋面 台湾海峡南部 韩江冲淡水 上升流 海洋锋 |
Oceanic fronts in southern Taiwan Strait |
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| Li Li,Guo Xiaogang,Wu Risheng.Oceanic fronts in southern Taiwan Strait[J].Journal of Oceanography In Taiwan Strait,2000,19(2):147-156. |
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| Authors: | Li Li Guo Xiaogang Wu Risheng |
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| Abstract: | Based on recent hydrographic observation, satellite remote sensing, and historical hydrographic data, oceanic frontal phenomena in the southern Taiwan Strait are analyzed in general. Results indicate that, in both summer and winter seasons, the southern Taiwan Strait is an area where different water bodies meet and oceanic fronts develop. The monsoon climate causes significant seasonal difference of frontal natures. In summer, the major water bodies that influence the area are the Hanjiang River plume, the upwellings around Taiwan shoal, and the waters from the South China Sea and the Kuroshio. Their interaction forms a complicated three dimensional frontal structure in the southern Taiwan Strait, including fronts of estuary plumes, upwellings, Kuroshio, and those caused by shelf break topography. The Hanjiang River runoff and the upwellings around Taiwan shoal play important roles in frontal genesis. In winter, the major water bodies that influence the area are the ZMCW (the Coastal Water of Zhejiang and Fujian Provinces) and the water from the South China Sea. They interact in the Strait and form a deformed coastal front that cuts through the southern Taiwan Strait. Grossly divided by the central line of the Strait, the western part of the Strait is dominated by the cold ZMCW, and the eastern side by the warm haline water from the south. The frontal zone basically lines up with isobaths forming three legs. In deep winter, this front could move southward to the shelf break and becomes a shelf/slope front when northeasterly blows. |
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| Keywords: | Oceamic front southern Taiwan Strait Hanjiang River plume upwelling ZMCW (Coastal Water of Zhejiang and Fujian) |
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