On the Study of Wave Propagation and Distribution in the Global Ocean

On the Study of Wave Propagation and Distribution in the Global Ocean
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全球海洋波浪传播与分布研究

DOI:
10.1007/s11802-019-3827-4
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发表时间:
2019-10
期刊:
J. Ocean Univ. China (Oceanic and Coastal Sea Research)
影响因子:
--
通讯作者:
赵栋梁
赵栋梁
中科院分区:
其他
文献类型:
--
作者:
刘敏;赵栋梁

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基于SWAN波浪模型的模拟结果和ERA-Interim 1979 - 2016年的资料,研究了波浪在全球的传播过程以及涌浪池在东部海域的分布。模拟结果表明,来自北太平洋和北大西洋的波浪主要向东南或向南传播,南大洋产生的涌浪主要向东北方向传播。高纬度地区的波浪沿着东海岸传播,在热带太平洋和大西洋相遇,在赤道附近形成涌浪锋,然后转向东。涌浪池是一个弱风场,涌浪流入量大,一般位于海盆东侧,1981-2010年ERA-20 C资料计算的涌浪指数S均大于0.9。另一个显著特征是涌浪池冬季向南移动并分裂成两部分,夏季向北移动并合并。
Based on the simulation with SWAN wave model and data of ERA-Interim from 1979 to 2016, how the waves propagate globally and why swell pools distribute in the eastern ocean were investigated in this study. The simulation results show that waves from North Pacific and North Atlantic mainly propagate southeastward or southward and swells generated in Southern Ocean spread northeastward. The waves from high latitude regions spread along the east coast and encounter in the tropical Pacific and Atlantic to form swell fronts around equator and then turn eastward. As the weak wind field with numerous swell inflows, swell pools are generally located on the eastern side of the ocean basin, where the swell indexSare greater than 0.9 calculated using ERA-20C data for the period of 1981–2010. Another remarkable feature is that swell pools move southward and split into two parts in winter, while they move northward and merge together in summer.
从太空对全球海洋中涌流传播和穿越的新见解
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