1. Climate Change Institute University of Maine Orono ME USA
2. Cooperative Extension University of Maine Orono ME USA
3. School of Earth and Climate Sciences University of Maine Orono ME USA
4. Appalachian State University Boone NC USA
5. Laboratory for Atmospheric Physics Institute for Physics Research Universidad Mayor de San Andres La Paz Bolivia
6. Department of Atmospheric and Oceanic Sciences University of Maryland College Park MD USA