1. Cooperative Programs for the Advancement of Earth System Science University Corporation for Atmospheric Research Boulder CO USA
2. Geophysical Institute University of Alaska, Fairbanks Fairbanks AK USA
3. Department of Atmospheric and Oceanic Sciences University of California, Los Angeles Los Angeles CA USA
4. Department of Earth Planetary, and Space Sciences University of California, Los Angeles Los Angeles CA USA
5. Physics Department Auburn University Auburn AL USA