1. a Helmholtz-Centre for Environmental Research–UFZ, Department Urban and Environmental Sociology, Leipzig, Germany
2. c University of Potsdam, Institute of Environmental Science and Geography, Potsdam, Germany
3. b University of Applied Sciences Bielefeld, Department for Social Work, Bielefeld, Germany
4. e Department of Environmental Health and Protection of Ecosystems, German Environment Agency (UBA), Berlin, Germany
5. d GFZ German Research Centre for Geosciences, Section Hydrology, Telegrafenberg, Potsdam, Germany