We thank the Air Force Phillips Laboratory and Atmospheric and Environmental Research, Inc., for providing us with the PL/GD-AER global spectral model with PBL updates that was used for these computations. We also thank K. Emanuel for making available his convection code and L. Branscome, D. Stewart, T.-C. Chen, J. Stanford, C. Snyder, and anonymous reviewers for helpful comments in the course of completing this work. This research was supported by NSF Grants ATM-913522 and ATM-9616811 to Iowa State University and by an Iowa State Office of the Provost Global-Change Assistantship.
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