[1] SUNY Stony Brook, Inst Terr & Planetary Atmospheres, Marine Sci Res Ctr, Stony Brook, NY 11794 USA
[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[3] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA
[4] NASA, Goddard Inst Space Studies, New York, NY 10025 USA