混合坐标模式HYCOM模拟COADS强迫下的南海平均环流  

Simulation of South China Sea circulation forced by COADS using Hybrid Coordinate Ocean Model

作　　者：卢著敏[1] 尚晓东[1] 陈桂英[1] 

机构地区：[1]中国科学院南海海洋研究所热带海洋环境动力学重点实验室,广东广州510301

出　　处：《热带海洋学报》2008年第4期23-31,共9页Journal of Tropical Oceanography

基　　金：国家科技支撑计划项目(2006BAB19B01);中国科学院南海海洋研究所领域前沿项目(LYQY200702);中国科学院重大科研装备研制项目(YZ200745)

摘　　要：采用混合坐标模式(HYCOM)模拟南海环流,同时利用海表温度卫星资料和吕宋海峡Sb-ADCP观测海流数据来评估模式结果。地形敏感性实验表明,吕宋海峡地形数据对模拟黑潮入侵方式影响较大,在地形误差较大的情况下,模拟的黑潮可能以反气旋流套方式入侵。和Pathfinder海表温度卫星资料比较,模式输出的月平均温度在海盆区域误差较小。ERA-15资料强迫所模拟的吕宋海峡上层环流和Sb-ADCP观测一致,而COADS结果低估了吕宋海峡的体积输送。The South China Sea （SCS） circulation is simulated by the Hybrid Coordinate Ocean Model （HYCOM） and the results are evaluated by the dataset of sea surface temperature and the vertical sections of Sb-ADCP current velocity in the Luzon Strait. The sensitivity experiments on topography show that the Kuroshio intrusion is sensitive to the topography. Large biases of topography datasets could cause the Kuroshio Loops. Compared with the dataset of the Pathfinder sea surface temperature （SST） climatology, the model results in the SCS basin are better than those in the continent shelf. The simulated upper circulation in the Luzon strait forced by ERA-15 dataset is accordant with that measured by Sb-ADCP, while the model forced by COADS dataset tends to underestimate the Luzon Strait volume transport.

关 键 词：HYCOM模式 南海环流 海表高度 海表温度 吕宋海峡水输送 

分 类 号：P731.2[天文地球—海洋科学]