1. Department of Atmospheric and Oceanic Sciences University of Colorado Boulder Boulder Colorado USA
2. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder Colorado USA
3. National Center for Atmospheric Research Boulder Colorado USA
4. Institute of Arctic and Alpine Research University of Colorado Boulder Boulder Colorado USA
5. School of Meteorology University of Oklahoma Norman Oklahoma USA
6. Department of Atmospheric and Oceanic Science University of Maryland College Park Maryland USA
7. National Aeronautics and Space Administration/Goddard Space Flight Center Greenbelt Maryland USA
8. Pacific Northwest National Laboratory Richland Washington USA
9. Division of Geological and Planetary Sciences California Institute of Technology Pasadena California USA
10. Division of Engineering and Applied Science California Institute of Technology Pasadena California USA
11. Joint Center for Earth Systems Technology University of Maryland, Baltimore County Baltimore Maryland USA
12. U.S. Naval Academy Annapolis Maryland USA
13. School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta Georgia USA
14. Department of Chemistry University of California Irvine California USA
15. NASA Langley Research Center Hampton Virginia USA