1. Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas (IPE–CSIC), Zaragoza, Spain
2. Regional Climate Group, Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden
3. Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark
4. National Institute of Aerospace Technology, Canaries Space Centre, Gran Canaria, Spain