1. School of Geography, Development, and Environment University of Arizona Tucson AZ USA
2. Laboratory of Tree‐Ring Research University of Arizona Tucson AZ USA
3. Department of Physical Geography Stockholm University Stockholm Sweden
4. Department of Earth Sciences University of Gothenburg Gothenburg Sweden
5. Swiss Federal Institute for Forest Snow and Landscape Research WSL Birmensdorf Switzerland
6. Oeschger Centre for Climate Change Research University of Bern Bern Switzerland