Wiedermann, MarcDonges, Jonathan F.Handorf, DörtheKurths, JürgenDonner, Reik V.2017-12-272017-12-272017-08Wiedermann, M, Donges, J F, Handorf, D, Kurths, J & Donner, R V 2017, 'Hierarchical structures in Northern Hemispheric extratropical winter ocean-atmosphere interactions', International Journal of Climatology, vol. 37, no. 10, pp. 3821-3836. https://doi.org/10.1002/joc.49560899-8418ArXiv: http://arxiv.org/abs/1506.06634v1http://hdl.handle.net/2164/9825Acknowledgements MW and RVD have been supported by the German Federal Ministry for Education and Research via the BMBF Young Investigators Group CoSy-CC2 (grant no. 01LN1306A) and the Belmont Forum/JPI Climate project GOTHAM. JFD is grateful for financial support by the Stordalen Foundation (via the Planetary Boundary Research Network PB.net) and the Earth League's EarthDoc program. JK acknowledges the IRTG 1740 funded by Deutsche Forschungsgemeinschaft and FAPESP. Coupled climate network analysis has been performed using the Python package pyunicorn (Donges et al., 2015b) that is available at https://github.com/pik-copan/pyunicorn.164045476engSDG 13 - Climate Actioncoupled climate networksextratropical ocean–atmosphere interactionnode-weighted network measureshierarchical networksQC PhysicsGeneral Earth and Planetary SciencesQCJournal article10.1002/joc.49563710