1. Centre for Geobiosphere Science, Department of Physical Geography and Ecosystems Analysis, Lund University, Sölvegatan 12, S‐223 62 Lund, Sweden,
2. Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol BS8 1RJ, UK,
3. School of Biological Sciences, University of Aberdeen, Cruickshank Building, Aberdeen, AB24 3UU, UK,
4. Forest Ecology, Swiss Federal Institute of Technology (ETHZ), CH‐8092 Zurich, Switzerland,
5. LSCE Unitè mixte CEA‐CNRS, CE‐Saclay, Bat 701, 91191, Gif sur Yvette, France,
6. Centre for Ecological Research and Forestry Applications (CREAF), Universitat Autonoma de Barcelona, 08193 Belaterra, Barcelona, Spain,
7. Department of Global Change and Natural Systems, Potsdam Institute for Climate Impact Research (PIK), PO Box 60 1203, D‐14412, Potsdam, Germany,
8. Met Office (JCHMR), Maclean Building, Crowmarsh‐Gifford, Wallingford, OX10 8BB, UK