图
6
1993—2009年和1979—1992年两个时段夏季850 hPa风场差值分布 (阴影区表示夏季850 hPa经向风异常达到0.05显著性水平) 及500 hPa高度场的差值分布 (单位:gpm)(浅色和深阴影区表示高度场异常分别达到0.05和0.01显著性水平) (a) NCEP/NCAR再分析资料风场差值, (b) JRA-25再分析资料风场差值,(c) NCEP/NCAR再分析资料高度场差值,(d) JRA-25再分析资料高度场差值
Fig.
6
The difference distribution of summer 850 hPa wind between the two periods (1993—2009 and 1979—1992) (shaded areas denote that meridional wind anomalies are significant at 0.05 level) with mean 500 hPa height (unit: gpm)(the light and dark shaded areas denote height anomalies are significant at 0.05 and 0.01 levels, respectively) (a) the difference of wind derived from NCEP/NCAR reanalysis data, (b) the difference of wind derived from JRA-25 reanalysis data, (c) the difference of height derived from NCEP/NCAR reanalysis data, (d) the difference of height derived from JRA-25 reanalysis data
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