1. Wegener Center for Climate and Global Change, University of Graz, Graz, Austria.
2. European Commission, Joint Research Centre, Ispra, Italy.
3. Department of Marine Sciences, University of the Aegean, Mitilene, Greece.
4. S.A. Rue des Deux Eglises 26, Brussels 1000, Belgium.
5. Laboratoire des Sciences du Climat et de l’Environnement, CNRS/IPSL, Gif-sur-Yvette, France.
6. School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK.