海水声速模型研究进展及南海声速模型展望
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1.南方海洋科学与工程广东省实验室(广州);2.南方海洋科学与工程广东省实验室(广州),广州海洋地质调查局

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南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0207)


Research Progress of Seawater Sound Velocity Modeling and Prospects of Sound Velocity Models In the South China Sea
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Affiliation:

1.Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou);2.Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou),Guangzhou Marine Geological Survey,;3.Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou),Guangzhou Marine Geological Survey

Fund Project:

Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) (GML2019ZD0207)

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    摘要:

    海水声速具有三维和随机时变的特点,构建海水声速模型是研究海水声速的重要手段之一。总结了海水声速模型研究进展,将海水声速模型分为数字模型及数值模型,数学模型以经验公式、Munk模型、GDEM 模型为典型代表,数值模型以EOF模型为主要类型,基于全球数据集得到广泛应用。数学模型具有良好的拓展性但过于理想,数值模型可以达到较高的声速拟合精度,但也存在局限性,需要进一步发展。由此,以南海声速模型为切入点,总结了南海声速模型的研究需要和应用需求,认为南海海水声速模型将在高精度宏观三维声速模型、动态预报宏观声速模型的方向上,不断深化应用领域,取得新的进展。

    Abstract:

    One of important methods to study the sound velocity of seawater, which is three-dimensional and random time-varying, is building seawater sound velocity models. The article discusses the research progress of seawater sound velocity models, while dividing them into mathematical models and numerical models. Mathematical models are represented by empirical formula, Munk model and GDEM model.And numerical models take EOF model as the main type and are widely used based on global data set. Mathematical models have good expansibility, but too ideal;while numerical models can achieve high sound velocity fitting accuracy, but they also have limitations. Taking sound velocity models in the South China Sea(SCS) as the starting point, this paper summarizes the research and application of sound velocity models in the SCS, and believes thatsound velocity models in the SCS will continue to widen application and achieve new results ,in the direction of high-precision three-dimensional sound velocity models and dynamic prediction sound velocity models.

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  • 收稿日期:2022-03-14
  • 最后修改日期:2022-04-28
  • 录用日期:2022-05-05
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