1. School of Earth Sciences; The Ohio State University; Columbus OH USA
2. Department of Geological Sciences; University of North Carolina at Chapel Hill; NC USA
3. Program in Atmospheric and Oceanic Sciences; Princeton University and NOAA/Geophysical Fluid Dynamics Laboratory; NJ USA
4. Byrd Polar Research Center; The Ohio State University; Columbus OH USA
5. Jet Propulsion Laboratory; California Institute of Technology; Pasadena CA USA