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首页> 外文期刊>Ocean Dynamics >A numerical study of the barotropic tides and tidal energy distribution in the Indonesian seas with the assimilated finite volume coastal ocean model
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A numerical study of the barotropic tides and tidal energy distribution in the Indonesian seas with the assimilated finite volume coastal ocean model

机译：利用有限体积沿海海洋模型对印度尼西亚海正压潮汐和潮汐能分布的数值研究。

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摘要

The tides and tidal energetics in the Indonesian seas are simulated using a three-dimensional finite volume coastal ocean model. The high-resolution coastline-fitted model is configured to better resolve the hydrodynamic processes around the numerous barrier islands. A large model domain is adopted to minimize the uncertainty adjacent to open boundaries. The model results with elevation assimilation based on a simple nudge scheme faithfully reproduced the general features of the barotropic tides in the Indonesian Seas. The mean root-mean-square errors between the observed and simulated tidal constants are 2.3, 1.1, 2.4, and 1.5 cm for M_2, S_2, K_1, and O_1, respectively. Analysis of the model solutions indicates that the semidiurnal tides in the Indonesian Seas are primarily dominated by the Indian Ocean, whereas the diurnal tides in this region are mainly influenced by the Pacific Ocean, which is consistent with previous studies. Examinations of tidal energy transport reveal that the tidal energy for both of the simulated tidal constituents are transported from the Indian Ocean into the IS mainly through the Lombok Strait and the Timor Sea, whereas only M_2 energy enters the Banda Sea and continues northward. The tidal energy dissipates the most in the passages on both sides of Timor Island, with the maximum M_2 and K_1 tidal energy transport reaching about 750 and 650 kW m~(-1), respectively. The total energy losses of the four dominant constituents in the IS are nearly 338 GW, with the M_2 constituent dissipating 240.8 GW. It is also shown that the bottom dissipation rate for the M_2 tide is about 1 -2 order of magnitudes larger than that of the other three tidal components in the Indonesian seas.
机译：使用三维有限体积沿海海洋模型模拟了印度尼西亚海域的潮汐和潮汐能能。高分辨率的海岸线拟合模型配置为更好地解决众多障碍岛周围的水动力过程。采用大模型域可以最大程度地减少与开放边界相邻的不确定性。该模型的结果是基于简单的推算方案的同化高度，忠实地再现了印度尼西亚海正压潮的一般特征。对于M_2，S_2，K_1和O_1，观测到的和模拟的潮汐常数之间的平均均方根误差分别为2.3、1.1、2.4和1.5 cm。对模型解的分析表明，印度尼西亚海的半日潮主要受印度洋的控制，而该区域的日潮主要受太平洋的影响，这与以前的研究一致。潮汐能传输的研究表明，这两种模拟潮汐成分的潮汐能主要通过龙目岛海峡和帝汶海从印度洋传输到IS，而只有M_2能量进入班达海并继续向北延伸。潮汐能在帝汶岛两岸的通道中耗散最大，最大的潮汐能M_2和K_1分别达到约750和650 kW m〜（-1）。 IS中四个主要成分的总能量损失接近338 GW，M_2成分耗散240.8 GW。还表明，M_2潮的底部耗散率比印度尼西亚海中其他三个潮汐分量的底部耗散率大约1 -2个数量级。

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  • 来源
    《Ocean Dynamics》 |2012年第4期|p.515-532|共18页
  • 作者

    Yang Ding; Xianwen Bao; Huaming Yu; Liang Kuang;

  • 作者单位

    College of Physical and Environmental Oceanography,Ocean University of China,Qingdao 266100, China;

    College of Physical and Environmental Oceanography,Ocean University of China,Qingdao 266100, China;

    College of Physical and Environmental Oceanography,Ocean University of China,Qingdao 266100, China;

    Department of Maritime System, Stevens Institute of Technology,Hoboken, NJ 07030, USA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    the indonesian seas; data assimilation; tide; tidal energy; tidal dissipation;

    机译：印尼海;数据同化;浪潮;潮汐能;潮汐耗散;

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