HR: 10:30h
AN: A12A-01    [Abstracts]
TI: Middle Atmosphere Nonlinear Hadley Circulation Features Inferred From Physical Considerations and Scaling of the Equations
AU: * Geller, M A
EM: Marvin.Geller@sunysb.edu
AF: Stony Brook University, MSRC/ITPA, Stony Brook, NY 11794-5000 United States
AB: There has been renewed interest in the middle atmosphere nonlinear Hadley circulation, given the signature of such a circulation in the tropical upwelling circulation diagnosed from both thermodynamics and the evolution of satellite-observed patterns of long-lived chemical tracers. The numerical solution for the middle atmosphere nonlinear Hadley circulation is quite complex, but it is possible to derive the main features of this circulation from the essential physics and relatively simple scaling considerations. Here, we derive the approximate magnitude, latitudinal width, and the nature of the latitudinal tilt in this manner.
DE: 0341 Middle atmosphere--constituent transport and chemistry (3334)
SC: Atmospheric Sciences [A]
MN: 2005 Joint Assembly