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Fig. 9 | Earth, Planets and Space

Fig. 9

From: Latitudinal- and height-dependent long-term climatology of propagating quasi-16-day waves in the troposphere and stratosphere

Fig. 9

Trend (contours, units: m/s/decade) of the monthly mean zonal wind in four seasons derived from the 39 year ERA-Interim zonal wind set. The solid and dashed contours denote the positive and negative trends, respectively. The thick black contour represents the 0 value. The stippled regions represent the trends at/above the 95% confidence level. The colors represent the climatological mean of seasonal zonal wind

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