About the Authors

Rene Westerholt

westerholt@uni-heidelberg.de

Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

Enrico Steiger

Contributed equally to this work with: Enrico Steiger, Bernd Resch

Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

Bernd Resch

Contributed equally to this work with: Enrico Steiger, Bernd Resch

Affiliations Z_GIS, Department of Geoinformatics, University of Salzburg, Salzburg, Austria, Center for Geographic Analysis, IQSS, Harvard University, Cambridge, MA, United States of America

Alexander Zipf

Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: RW ES BR AZ. Data curation: RW ES. Formal analysis: RW ES. Funding acquisition: AZ. Investigation: RW ES. Methodology: RW ES. Project administration: RW AZ. Resources: AZ. Software: RW. Supervision: BR AZ. Validation: RW ES BR. Visualization: RW. Writing – original draft: RW ES BR AZ. Writing – review & editing: RW ES BR AZ.