Affiliation: | 1. Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, Oxon OX10 8BB, UK;2. Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor Gwynedd LL57 2UW, UK;3. Swiss Federal Research Institute WSL, Zürcherstrasse 111, 8903 Birmensdorf, Switzerland;4. Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster LA1 4AP, UK |