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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

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

Fig. 5

Wavelet spectra of zonal wind at a 0.6, c 1.6, e 2.6, b 10, d 56 and f 375 hPa levels over Wuhan based on MERRA2 reanalysis data from 1 September 2013 to 1 April 2014. The pressure levels of 375, 56, 10, 2.6, 1.6 and 0.6 hPa correspond to the altitudes of about 7, 20, 32, 40, 45 and 52 km, respectively. The black dashed and dotted vertical lines denote the minor SSW and SFW events, respectively. The tilted solid lines denote the cone of influence for the wavelet analysis

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