1. Department of Geoscience Aarhus University Aarhus Denmark
2. Geological Survey of Norway Trondheim Norway
3. Department of Earth Science University of Bergen and Bjerknes Centre for Climate Research Bergen Norway
4. Department of Geological Sciences Stockholm University Stockholm Sweden
5. Department of Physics and Astronomy Aarhus University Aarhus Denmark
6. Department of Geography Norwegian University of Science and Technology (NTNU) Trondheim Norway