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欧洲中期数值预报中心(ECMWF)基于2006年发布的IFS (Cy31r2)数值模式生产的再分析资料。模式水平分辨率80km左右(T255),包含四维变分同化系统和12小时时间窗,垂直层次包括地面向上至0.1hPa
关键字: 再分析
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The data assimilation system used to produce ERA-Interim is based on a 2006 release of the IFS (Cy31r2). The system includes a 4-dimensional variational analysis (4D-Var) with a 12-hour analysis window. The spatial resolution of the data set is approximately 80 km (T255 spectral) on 60 vertical levels from the surface up to 0.1 hPa.