The authors gratefully acknowledge Tonya Ommodt for the preparation of graphics, Judy Mohr for technical typing assistance, and NASA Goddard’s Laboratory for Atmospheres and NCAR for ready access of the initial atmospheres. This research was sponsored by the Department of Energy under Grant DE-FG02-92ER61439, by NASA under Grants NAG5-1330 and NAG5-81, and by the National Science Foundation under Grant ATM-8922684. Computational support for the CCM simulations was provided by NCAR, which is sponsored by the National Science Foundation.
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