1. Teaching and Research Unit Human-Environment Relations, Department of Geography Ludwig-Maximilians-Universität, Geschwister-Scholl-Platz 1, 80539 München, Germany
2. Applied Geoinformation Science, Institute of Geography, Humboldt University of Berlin, Unter den Linden 6, 10099 Berlin, Germany
3. Remote Sensing and Geoinformatics, Institute of Geographical Sciences, Freie Universität Berlin, Malteserstr. 74-100, 12249 Berlin, Germany
4. Integrative Research Institute on Transformations of Human-Environmental Systems, Humboldt University of Berlin, Unter den Linden 6, 10099 Berlin, Germany