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Numerical simulation of the wave-induced Stokes drift effect on sea surface temperature in the North Pacific
Oceanological and Hydrobiological Studies ( IF 0.9 ) Pub Date : 2019-12-18 , DOI: 10.2478/ohs-2019-0034
Jingdong Liu 1 , Jian Shi 1 , Wenjing Zhang 1
Affiliation  

Abstract The effect of the wave-induced Stokes drift is not taken into account in traditional ocean circulation models used for SST simulations. The spectral parameterization scheme is considered to be the most accurate of the wave-induced Stokes drift calculation schemes. The numerical simulation results of sea surface temperature (SST) with the Stokes drift and SST without the Stokes drift in the North Pacific in 2014 were analyzed. The Stokes drift plays a cooling role in the North Pacific, and the most affected areas are high-latitude sea areas. The following factors are responsible for cooling: the seawater divergence caused by Stokes transport, changes in the sea surface current field caused by the Coriolis-Stokes force and the effects of turbulence caused by Langmuir circulation. The simulation of the vertical temperature profile in the mixed layer is improved when the Stokes drift is accounted for. The simulated results of SST using the Stokes drift approximate parameterization schemes and the spectral parameterization scheme are compared. The results confirm that the spectral parameterization scheme can be used for accurate SST simulation, and the Phillips spectrum approximate parameterization scheme is the best among the approximate parameterization schemes.

中文翻译:

波浪引起的斯托克斯漂移对北太平洋海面温度影响的数值模拟

摘要 用于海温模拟的传统海洋环流模型没有考虑波浪引起的斯托克斯漂移的影响。光谱参数化方案被认为是波引起的斯托克斯漂移计算方案中最准确的。分析了2014年北太平洋有斯托克斯漂移和无斯托克斯漂移的海面温度(SST)数值模拟结果。斯托克斯漂流在北太平洋起到降温作用,受影响最严重的地区是高纬度海域。以下因素负责冷却:斯托克斯传输引起的海水发散、科里奥利-斯托克斯力引起的海面流场变化以及朗缪尔环流引起的湍流影响。当考虑斯托克斯漂移时,混合层中垂直温度分布的模拟得到改进。比较了使用Stokes漂移近似参数化方案和光谱参数化方案的SST模拟结果。结果表明,光谱参数化方案可以用于精确的海温模拟,其中菲利普斯光谱近似参数化方案是近似参数化方案中最好的。
更新日期:2019-12-18
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