Terrestrial superrotation: A bifurcation of the general circulation
Journal Article
·
· Journal of the Atmospheric Sciences; (United States)
- NASA/Goddard Space Flight Center, Greenbelt, MD (United States)
When sufficiently large zonally asymmetric tropical heating is introduced in a two-level model of global atmospheric flow, its general circulation becomes strongly superrotating. The nature of the superrotating solutions is studied by examining momentum and heat budgets for a range of values of thermal forcing. Changes in the transport of zonal momentum by transient eddies appear to play the key role in the transition to superrotation. The dramatic bifurcation of the solutions of this model may help explain the maintenance and variability of the zonal mean flow in the tropics. 14 refs., 27 figs.
- OSTI ID:
- 5572438
- Journal Information:
- Journal of the Atmospheric Sciences; (United States), Journal Name: Journal of the Atmospheric Sciences; (United States) Vol. 49:16; ISSN 0022-4928; ISSN JAHSAK
- Country of Publication:
- United States
- Language:
- English
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