Interdisciplinary Center for Dynamics of Complex Systems, University of Potsdam, Campus Golm, Karl-Liebknecht-Str. 24, D-14476 Potsdam, Germany. sabrina.donner@pik-potsdam.de|Interdisciplinary Center for Dynamics of Complex Systems, University of Potsdam, Campus Golm, Karl-Liebknecht-Str. 24, D-14476 Potsdam, Germany. sabrina.donner@pik-potsdam.de|Interdisciplinary Center for Dynamics of Complex Systems, University of Potsdam, Campus Golm, Karl-Liebknecht-Str. 24, D-14476 Potsdam, Germany. sabrina.donner@pik-potsdam.de|Interdisciplinary Center for Dynamics of Complex Systems, University of Potsdam, Campus Golm, Karl-Liebknecht-Str. 24, D-14476 Potsdam, Germany. sabrina.donner@pik-potsdam.de