Adam Hartland, Environmental Research Institute, School of Science, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand, Bedartha Goswami, Potsdam Institute for Climate Impact Research, RD4, Potsdam, Germany, Chaoyong Hu, China University of Geosciences Wuhan, School of Geography and Information Engineering, Wuhan, China, Bethany Fox, University of Huddersfield, School of Applied Sciences, Huddersfield, United Kingdom, Norbert Marwan, Potsdam Institute for Climate Impact Research, Potsdam, Germany and Sebastian F. M. Breitenbach, Ruhr-Universität Bochum, Institute for Geology, Mineralogy & Geophysics, Bochum, Germany