Department of Atmospheric & Oceanic Sciences, UCB 311, University of Colorado, Boulder, CO 80309-0311, USA; Cooperative Institute for Research in Environmental Sciences, 216 UCB, University of Colorado, Boulder, CO 80309-0216, USA
Cooperative Institute for Research in Environmental Sciences, 216 UCB, University of Colorado, Boulder, CO 80309-0216, USA; Department of Chemistry and Biochemistry, UCB 215, University of Colorado, Boulder, CO 80309-0215, USA
Cooperative Institute for Research in Environmental Sciences, 216 UCB, University of Colorado, Boulder, CO 80309-0216, USA; Department of Chemistry and Biochemistry, UCB 215, University of Colorado, Boulder, CO 80309-0215, USA
Cooperative Institute for Research in Environmental Sciences, 216 UCB, University of Colorado, Boulder, CO 80309-0216, USA; Department of Chemistry and Biochemistry, UCB 215, University of Colorado, Boulder, CO 80309-0215, USA
Department of Atmospheric & Oceanic Sciences, UCB 311, University of Colorado, Boulder, CO 80309-0311, USA; Laboratory for Atmospheric and Space Physics, 1234 Innovation Drive, 80303-7814, CO 80303-7814, USA
Space Sciences Division, NASA Ames Research Center, Moffett Field, CA 94035, USA