1. Department of GeographyKansas State UniversityManhattan Kansas USA
2. Department of GeographyUniversity of CaliforniaLos Angeles, Los Angeles California USA
3. International Institute for Applied Systems AnalysisLaxenburg Austria
4. Center for Climate Systems Research, Columbia UniversityNew York New York USA
5. NASA Goddard Institute for Space StudiesNew York New York USA
6. Department of Physical GeographyUtrecht UniversityCS Utrecht Netherlands