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Volume 27 Issue 1

Jan.  2010

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Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2010 >  27(1): 60-68

On Outflow Passages in the South China Sea

  • 1.

    Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, Graduate University of Chinese Academy of Sciences, Beijing 100049,Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301,South China Sea Marine Engineering Surveying Center, State Oceanic Administration, Guangzhou 510300,Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301


doi: 10.1007/s00376-009-8050-6

  • Both box and inverse methods are used to study the relative importance of outflow passages of the South China Sea. The physical meaning of the box model is described in detail, and its optimization is based on the most efficient way to remove the warm and fresh water in terms of the heat and salt budgets. The box model results suggest that the Kalimantan Strait is the main outflow passage, because the water near the Kalimantan is the warmest and freshest. The system of the South China Sea advects the warmest and freshest water through the wide Kalimantan Strait out of the South China Sea to achieve a quick heat and salt balance because of the huge amount of heat flux and large precipitation gained from the atmosphere. These results are confirmed by an inverse method, in which detailed dynamics and thermohaline structure are considered. The velocity distribution in the transect of the Luzon Strait revealed by the inverse method is similar to that obtained by earlier studies.
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    • Manuscript History

    Manuscript received: 10 January 2010
    Manuscript revised: 10 January 2010
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    On Outflow Passages in the South China Sea

    • 1. Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, Graduate University of Chinese Academy of Sciences, Beijing 100049,Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301,South China Sea Marine Engineering Surveying Center, State Oceanic Administration, Guangzhou 510300,Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301
    • Manuscript received: 2010-01-10
    • Manuscript revised: 2010-01-10

    Abstract: Both box and inverse methods are used to study the relative importance of outflow passages of the South China Sea. The physical meaning of the box model is described in detail, and its optimization is based on the most efficient way to remove the warm and fresh water in terms of the heat and salt budgets. The box model results suggest that the Kalimantan Strait is the main outflow passage, because the water near the Kalimantan is the warmest and freshest. The system of the South China Sea advects the warmest and freshest water through the wide Kalimantan Strait out of the South China Sea to achieve a quick heat and salt balance because of the huge amount of heat flux and large precipitation gained from the atmosphere. These results are confirmed by an inverse method, in which detailed dynamics and thermohaline structure are considered. The velocity distribution in the transect of the Luzon Strait revealed by the inverse method is similar to that obtained by earlier studies.

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