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A two-dimensional primitive equation model of frontogenesis forced by confluence and horizontal shearA two-dimensional primitive equation model of frontogenesis is presented. The model treats confluence and horizontal shear in combination. The structure and evolution of model frontal zones forced by confluence are described for a control case featuring a zero alongfront thermal gradient and positive and negative thermal gradients, facing downstream. A comparison is made with Miller's (1948) equation for the zero gradient situation to illustrate the significance of horizontal and vertical motions for the structure of the upper level frontal zone. Finally, the effects of ageostrophic circulations on the evolutionary and structural differences of frontal formations are studied.
Document ID
19850060036
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Keyser, D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Pecnick, M. J.
(NASA Goddard Space Flight Center Greenbelt; General Software Corp., Landover, MD, United States)
Date Acquired
September 5, 2013
Publication Date
June 15, 1985
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 42
ISSN: 0022-4928
Subject Category
Meteorology And Climatology
Report/Patent Number
AFOSR-TR-85-1175
AD-A162814
Accession Number
85A42187
Funding Number(s)
CONTRACT_GRANT: AF-AFOSR-ISSA-84-12
Distribution Limits
Public
Copyright
Other

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