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A study of the effect of synoptic scale processes in GCM modellingResearch was conducted to help modeling groups at NASA to develop better weather forecasting and general circulation models (GCM) for activities relating to the meteorological uses of satellite data. The focus was on the physical processes that were being simulated by models: radiative effects and latent heat release associated with clouds; orographic influences; and heat transfer at the ocean and ice surfaces. An attempt was made to deduce the role of diabatic heating in North Atlantic cyclogenesis and in the global heat budget. Inferences were made in four studies: heat budget statistics from GCM assimilations; dynamics of north Atlantic cyclones; Cage-type energy budget calculations; and grid scale cloud formation. Mechanisms that were responsible for the variability and structure of the atmospheric on a hemispheric scale were studied by a hybrid of statistical analysis and theoretical modeling. Variability and structure are both related to synoptic scale processes through baroclinic and barotropic energy transformations.
Document ID
19900017859
Acquisition Source
Headquarters
Document Type
Contractor Report (CR)
Authors
Herman, Gerald F. (Wisconsin Univ. Madison, WI, United States)
Date Acquired
September 6, 2013
Publication Date
March 9, 1989
Subject Category
Geophysics
Report/Patent Number
NAS 1.26:184804
NASA-CR-184804
Accession Number
90N27175
Funding Number(s)
CONTRACT_GRANT: NSG-5223
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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