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OALib Journal期刊
ISSN: 2333-9721
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利用卫星观测海面信息反演三维温度场
Keywords: 卫星遥感海面温度,海面高度,温度剖面重构
Abstract:
？基于历史观测的温盐剖面资料,采用回归分析方法统计出海面温度异常、海面动力高度异常与温度剖面异常之间的相关关系;然后利用高分辨率的卫星遥感海表面温度(sst)和卫星观测海面高度(ssh)信息重构了三维海洋温度场。在台湾岛周边海域建立了时间分辨率为天、空间分辨率为0.25°×0.25°的三维温度分析场。通过与实测资料的比较分析,文章所构建的分析场能够较好地描述海洋三维温度场的结构特征,能够较为真实地反映海洋的中尺度变化过程。该分析场可以作为海洋数值模式的初始场,也可以作为“伪观测”同化到海洋数值再分析和预报系统中,进而改善三维温、盐、流的数值再分析和预报。
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