Fig. 5
From: Thermospheric inter-annual variability and its potential connection to ENSO and stratospheric QBO

The wavelet coherence between P10.7 index and the density residual at 400 km altitude (upper), between the P10.7 and Nino3 (middle), between the P10.7 and QBO. The thick contour encloses regions of greater than 95 % significance level