Topical Issue - Space Weather research in the Digital Age and across the full data lifecycle
Open Access
Research Article

Fig. 2


Download original image

The SYM-H time series (upper panel), the empirical modes , , , and (middle panels), and the residue (lower panel). The green and red lines refer to the quiet and the disturbed period, respectively. The dashed gray line is used as a reference to SYM-H = 0 nT.