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Deriding Measurement on Transport of the Changjiang-Derived Buoyant Coastal Current

机译：长江源性浮力海流输运的测量方法

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摘要

Measuring the transport of the Changjiang (also known as the Yangtze) River-derived buoyant coastal current, that is, the Min-Zhe Coastal Current, is of great importance for understanding the fate of terrestrial materials from this large river into the open ocean, but it is usually difficult to achieve because of the energetic tidal currents along the Chinese coast. In February 2012, a detiding cruise survey was carried out using the phase-averaging method. For the first time, this coastal current has been quantified with in situ data and has been shown to have a volume transport of 0.215 Sv (1Sv ≡ 10~6m~3s~(-1)) and a maximum surface velocity of ～50 cms~(-1). The ratio between the volume transport of the buoyant coastal current and that of the Changjiang is O(10). Freshwater transport by the buoyant coastal current accounts for over 90% of the Changjiang River's discharge. Buoyancy and winds are both important in driving this current.
机译：测量长江（也称为长江）浮力沿海水流，即闽浙沿海水流的运输，对于理解从这条大河到远洋的陆地物质的命运至关重要，但是由于中国沿海地区的高潮，通常很难实现。 2012年2月，采用相位平均法进行了确定性的巡航调查。首次利用原位数据对该沿海流进行了量化，并显示出其体积输运率为0.215 Sv（1Sv≡10〜6m〜3s〜（-1））和最大表面速度为〜50 cms 〜（-1）。沿海浮力与长江的体积输运比为O（10）。沿岸海流活跃的淡水运输量占长江总流量的90％以上。浮力和风对于推动这种潮流都很重要。

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  • 来源
    《Journal of Physical Oceanography》 |2013年第11期|2388-2399|共12页
  • 作者

    Hui Wu; Bing Deng; Rui Yuan; Jun Hu; Jinghua Gu; Fang Shen; Jianrong Zhu; Jing Zhang;

  • 作者单位

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200062, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

    State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China;

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