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Targeted observation analysis of the tides and currents in a Coastal Marine Proving Ground

机译：沿海海洋挖掘地面潮汐和电流的有针对性的观察分析

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摘要

Tidal characteristics in the well-known Coastal Marine Proving Ground near Chudao Island located in Shandong Province, China, are firstly investigated based on Princeton Ocean Model (POM) with a generalized coordinate system. Numerical results having been validated by available observations, the ensemble transform-based sensitivity method that calculates the gradient of forecast error variance reduction is used to identify sensitive areas of the water level and the current velocity in the Marine Proving Ground and its vicinity. Sensitive areas of the water level are mainly distributed around Chudao Island, the spatial range of which distributes smaller than that of the current velocity. When sensitivities of the water level and the current velocity are considered together, the coincidence areas serve as the most appropriate areas for adaptively deploying observation instruments. We found that a particular area west of Chudao Island is the most appropriate area for the hydrological observations in the Marine Proving Ground, which provide an insight into rational targeted observation analysis in tide-dominated shallow water areas.
机译：在山东省的Chudao Island附近的公知沿海海洋探矿地面的潮汐特征首先基于普林斯顿海洋模型（POM）进行了广义坐标系。通过可用观察验证的数值结果，基于集合变换的敏感性方法计算了预测误差方差减少的梯度，用于识别水位的敏感区域和海洋证明地面的当前速度及其附近。水位的敏感区域主要分布在楚岛岛周围，其空间范围分布小于当前速度的空间范围。当水位和当前速度的敏感度被认为是一起时，巧合区域用作适应性地部署观察仪器的最合适的区域。我们发现，楚岛岛以西的一个特定区域是海洋证明地面水文观测中最合适的地区，这提供了对潮汐占浅水区中的理性靶向观察分析的洞察力。

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  • 来源
    《Ocean Dynamics》 |2020年第10期|1303-1313|共11页
  • 作者

    Jiali Zhang; Anmin Zhang; Xuefeng Zhang; Liang Zhang; Dong Li; Zheqi Shen; Chaohui Sun;

  • 作者单位

    School of Marine Science and Technology Tianjin University Tianjin China;

    School of Marine Science and Technology Tianjin University Tianjin China;

    School of Marine Science and Technology Tianjin University Tianjin China;

    School of Marine Science and Technology Tianjin University Tianjin China Texas A&M University Visiting Program College Station TX USA;

    Key Laboratory of Marine Environmental Information Technology National Marine Data and Information Service Ministry of Natural Resources Tianjin China;

    Second Institute of Oceanography Ministry of Natural Resources Hangzhou China;

    Second Institute of Oceanography Ministry of Natural Resources Hangzhou China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Targeted observation; Ensemble transform-based sensitivity; Marine Proving Ground; Tide;

    机译：有针对性的观察;合奏基于变换的敏感性;海洋证明地;浪潮;

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