1. Department of Chemical and Environmental Engineering University of Arizona Tucson AZ USA
2. Earth and Planetary Sciences University of California Santa Cruz CA USA
3. Science Systems and Applications, Inc. Hampton VA USA
4. NASA Langley Research Center Hampton VA USA
5. Atmospheric Sciences and Global Change Division Pacific Northwest National Laboratory Richland WA USA
6. Department of Meteorology Naval Postgraduate School Monterey CA USA
7. Department of Chemical Engineering California Institute of Technology Pasadena CA USA
8. Department of Hydrology and Atmospheric Sciences University of Arizona Tucson AZ USA