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A perturbative treatment of aerosol scattering of infrared radiationCalculations of long-wave atmospheric heating and cooling rates using the rate equations of Rodgers and Walshaw (1966) with the Malkmus (1967) random band model are presented. A perturbation scheme is developed for the inclusion of aerosol scattering effects in the numerical calculation. Unlike the flux differencing method for calculating long-wave heating and cooling rates, this scheme allows aerosol effects to be included in a simple manner with only a small additional use of computer time. The calculations indicate good agreement with those of previous investigators and demonstrate the expected equivalence of the flux-differencing method and the flux-divergence equation of Rodgers and Walshaw (1966), even at stratospheric altitudes. It is found that aerosols lead to a net heating in the lower troposphere due to infrared scattering and absorption.
Document ID
19800027242
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Yueh, W. R.
(Florida Univ. Gainesville, FL, United States)
Chameides, W. L.
(Florida, University Gainesville, Fla., United States)
Date Acquired
August 10, 2013
Publication Date
October 1, 1979
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 36
Subject Category
Geophysics
Accession Number
80A11412
Funding Number(s)
CONTRACT_GRANT: NSF ATM-77-20179
CONTRACT_GRANT: NSG-1497
Distribution Limits
Public
Copyright
Other

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