1. Environmental Studies Department University of California Santa Cruz CA USA
2. Sierra Nevada Research Institute University of California Merced CA USA
3. Department of Global Ecology Carnegie Institution Stanford CA USA
4. Lawrence Livermore National Laboratory Livermore CA USA
5. Department of Atmospheric and Oceanic Sciences University of California Los Angeles CA USA
6. Department of Integrative Biology University of California Berkeley CA USA
7. Global Monitoring Division NOAA Earth System Research Laboratory Boulder CO USA
8. Department of Atmospheric Science Colorado State University Fort Collins CO USA
9. California Air Resources Board Sacramento CA USA
10. Department of Atmospheric Science University of Bremen Bremen Germany
11. Aerodyne Research, Inc. Billerica MA USA
12. School of Engineering and Applied Sciences, Harvard Cambridge MA USA