Free Access

Table 2

Correlation coefficients at different phases of a solar cycle.

Smoothed Correlations during rising phase Correlations during decaying phase
data with of the cycle between of the cycle between

FWHM Rise time and cycle Rise rate and cycle Decay rate and Decay rate at late
amplitude (WE1) amplitude (WE2) cycle amplitude phase and cycle amplitude
of following cycle

1 yr –0.63 0.92 0.57 0.56
2 yr –0.66 0.99 0.75 0.41

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.