1. Department of Atmospheric Sciences, The University of Arizona, Tucson, Arizona
2. Department of Chemical and Environmental Engineering, The University of Arizona, Tucson, Arizona
3. Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, California
4. Department of Chemical Engineering, California Institute of Technology, Pasadena, California
5. Center for Interdisciplinary Remotely Piloted Aircraft Studies, Naval Postgraduate School, Monterey, California