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针对实际海洋中三维海流观测困难和流场资料欠缺的问题,通过ARGO浮标观测资料与WOA09背景场资料进行最优插值融合,得到较精细的温盐网格化资料,并在此基础之上通过引入P矢量方法,对太平洋海区的三维流场进行了诊断推算。分析表明:ARGO浮标再分析融合数据能够较好表现太平洋温盐场分布结构,在此基础之上诊断推算的三维流场能够合理刻画太平洋流场的基本特征,为获取大尺度海洋三维流场信息提供了有效的途径。
Aiming at the difficulty of 3D ocean current observation and the lack of flow field data in real ocean, the optimal temperature and salt gridded data are obtained through the ARGO buoy observation data and the WOA09 background field data, and based on this, The P vector method is introduced to diagnose the three-dimensional flow field in the Pacific Ocean. The analysis shows that the ARGO buoy reanalysis fusion data can better represent the distribution structure of the Pacific salinity and salinity field. Based on this, the three dimensional flow field can be estimated to characterize the basic characteristics of the Pacific Ocean flow field reasonably. Effective way.