1. Instituto de Astrofísica de Canarias, San Cristóbal de La Laguna, Spain
2. Department of Astrophysics, Faculty of Physics, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
3. Department of Geography, University of Sussex, Falmer, UK
4. NCAS-Climate, University of Reading, Reading, UK
5. Asgard Consulting, Basingstoke, UK