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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Extraordinary quasi-16-day wave activity from October 2013 to January 2014 with radar observations at mid-latitudes and MERRA2 reanalysis data

Fig. 9

Moving average zonal winds over a, c Beijing and b, d Wuhan from 1 September 2013 to 1 April 2014 derived from a, b meteor radar observations at 78–98 km and c, d MERRA2 reanalysis data at 103–10−2 hPa levels. For the reanalysis data, the corresponding height is marked on the right vertical axis. The sliding window has a width of 32 days with an increment of a day. The black dashed and dotted vertical lines denote the minor SSW and SFW events, respectively

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