Quasi-Geostrophic versus N on-Geostrophic Frontogenesis
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Authors
Williams, R.T.
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1972-01
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Abstract
This.study examines fronttogenesis which is forced by a nondivergent horizontal wind field which contains
stretching deformation. The initial conditions are formulated in such a way that the departures from the
basic wind field are independent of x. The linear and nonlinear hydrostatic primitive equations are solved
numerically and the solutions are compared. The linear solutions are very close to the solutions of the quasigeostrophic equations. The latter equations predict fronts which have some unrealistic features and these
equations predict discontinuities only for very large time. The nonlinear solutions are much more realistic
than the lmear solutions and they imply the formation of discontinuities within a finite period of time.
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Description
The article of record as published may be found at http://dx.doi.org/10.1175/1520-0469(1972)029<0003:QGVNGF>2.0.CO;2
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This research
was recently supported by the Navy Weather Research
Facility and the Foundation Research Program at the
Naval Postgraduate School and in the summer of 1967
by the National Science Foundation under Grant
GA-849 at the University of California at Los Angeles.
The numerical computations were performed by the
Computer Facility at the Naval Postgraduate School
and by the University of Utah Computer Center.
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Journal of the Atmospheric Sciences, Volume 29, No. 1, January 1972, pp. 3-10.