1. Institute of Geography University of Augsburg Augsburg Germany
2. West African Climate Service Centre on Climate Change and Adapted Land Use, Competence Center Ouagadougou Burkina Faso
3. Training and Research Department AGRHYMET Regional Centre Niamey Niger
4. Department of Physics Kwame Nkrumah University of Science and Technology Kumasi Ghana
5. Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology Karlsruhe Germany