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Linear and nonlinear aspects of snow albedo feedbacks in atmospheric modelsNamias' hypothesis, that anomalous snowcover on the eastern side of the North American continent can generate an anomalous east coast low pressure system and an anomalous inland high pressure system, is consistent with the time-averaged anomalous response from a nonlinear, primitive equation channel model with an idealized, flat land-sea arrangement. An attempt to understand and describe this anomalous response in the nonlinear model as a linear response to anomalous diabatic heating was largely unsuccessful, primarily because the anomalous eddy fluxes were also important. This unsuccessful attempt to describe the nonlinear model's time averages by linear theory then motivated several comparisons between linear and nonlinear severely truncated quasi-geostrophic models. It was also found in these models that the eddy fluxes were extremely important for forcing or dissipating the stationary eddies.
Document ID
19810060119
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Roads, J. O.
(California, University Scripps Institution of Oceanography, La Jolla, CA, United States)
Date Acquired
August 11, 2013
Publication Date
August 20, 1981
Publication Information
Publication: Journal of Geophysical Research
Volume: 86
Subject Category
Meteorology And Climatology
Accession Number
81A44523
Funding Number(s)
CONTRACT_GRANT: NAG5-105
CONTRACT_GRANT: NSF ATM-78-24003
Distribution Limits
Public
Copyright
Other

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