1. Department of Atmospheric Science Colorado State University Fort Collins CO USA
2. Cooperative Institute for Research in the Atmosphere Colorado State University Fort Collins CO USA
3. Joint Center for Earth Systems Technology University of Maryland Baltimore County MD USA
4. Department of Chemical and Biochemical Engineering University of Iowa Iowa City IA USA
5. NASA Goddard Space Flight Center Greenbelt MD USA
6. Science Systems and Applications, Inc. Lanham MD USA