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利用美国普林斯顿入学海洋模式(POM)的南海版本(SCS-POM),研究了南海海底地形对南海海流、海面高度和海温的影响。共做了4个数值试验,分别包含陡峭(STP)、光滑(SMT)、平坦(PLT)和中间(MDT)4种地形。在真实的海岸线和1月气候个均风应力的共同强迫下,将模式积分360天,对所得结果进行了比较分析。结果表明,海底地形对海水质量输送和海温分布有重要的影响,对表层和次表层流以及海面自由高度的影响较小,它们的分布主要由海岸线和风应力次定。并对海气耦合模式中海洋模式的选择提出了看法。
The South China Sea (SCS-POM) version of POM was used to study the effects of the South China Sea submarine topography on the South China Sea current, sea surface height and sea surface temperature. A total of four numerical experiments were conducted, including steep (STP), smooth (SMT), flat (PLT) and intermediate (MDT) terrain. Under the common coercion of the real coastline and the average wind stress of January climate, the model was integrated for 360 days and the results were compared and analyzed. The results show that the seafloor topography has a significant impact on sea water quality transport and SST distribution, but has little effect on the surface and subsurface currents and sea surface free height. Their distribution is mainly determined by coastline and wind stress. And put forward the opinion on the choice of ocean mode in the coupled model of ocean-atmosphere.