Introduction to the special issue of <i>Geographica Helvetica</i>: “Different approaches to landform monitoring”

• I. Gärtner-Roer,
• C. Graf

Affiliations

I. Gärtner-Roer

Department of Geography, University of Zurich, Zurich, Switzerland

C. Graf

WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland