Articles | Volume 21, issue 6
Nonlin. Processes Geophys., 21, 1113–1126, 2014
https://doi.org/10.5194/npg-21-1113-2014

Special issue: Complex network approaches to analyzing and modeling nonlinear...

Nonlin. Processes Geophys., 21, 1113–1126, 2014
https://doi.org/10.5194/npg-21-1113-2014

Research article 24 Nov 2014

Research article | 24 Nov 2014

Long-term changes in the north–south asymmetry of solar activity: a nonlinear dynamics characterization using visibility graphs

Y. Zou et al.

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Cited articles

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We use visibility graphs to characterize asymmetries in the dynamics of sunspot areas in both solar hemispheres. Our analysis provides deep insights into the potential and limitations of this method, revealing a complex interplay between effects due to statistical versus dynamical properties of the observed data. Temporal changes in the hemispheric predominance of the graph connectivity are found to lag those directly associated with the total hemispheric sunspot areas themselves.