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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

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

Fig. 6

Filtered Q16DWs in (left column) zonal and (right column) meridional winds from a, b, e, f meteor radar observations at 78–98 km and c, d, g, h MERRA2 reanalysis data at 103–10−2 hPa levels over Beijing and Wuhan during 1 September 2013–1 April 2014. For the reanalysis data, the corresponding height is marked on the right vertical axis. The band-pass filter has the lower and upper cut-off periods of 12.5 and 20 days. The black dashed and dotted vertical lines denote the minor SSW and SFW events, respectively

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