International Journal of Geophysics / 2011 / Article / Fig 3

Research Article

The Planetary Wave Activity in Temperatures of the Stratosphere, Mesosphere and in Critical Frequencies of Ionospheric F2 Layer

Figure 3

Periodogram spectra of stratospheric temperature (a), mesospheric temperature (b), ΔfoF2 (c) in the period range of 5–50 days. Statistical significance level corresponds to .
341935.fig.003a
(a)
341935.fig.003b
(b)
341935.fig.003c
(c)