Multidecadal variability in the climate system: phenomena and mechanisms André Jüling, Henk A. Dijkstra, Andrew McC. Hogg and Woosok Moon Eur. Phys. J. Plus, 135 6 (2020) 506 Published online: 19 June 2020 DOI: 10.1140/epjp/s13360-020-00515-4