NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Radiative transfer in a polluted urban planetary boundary layerRadiative transfer in a polluted urban atmosphere is studied using a dynamic model. The diurnal nature of radiative transfer for summer conditions is simulated for an urban area 40 km in extent and the effects of various parameters arising in the problem are investigated. The results of numerical computations show that air pollution has the potential of playing a major role in the radiative regime of the urban area. Absorption of solar energy by aerosols in realistic models of urban atmosphere are of the same order of magnitude as that due to water vapor. The predicted effect of the air pollution aerosol in the city is to warm the earth-atmosphere system, and the net effect of gaseous pollutant is to warm the surface and cool the planetary boundary layer, particularly near the top.
Document ID
19770060209
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Viskanta, R.
(Purdue Univ. West Lafayette, IN, United States)
Johnson, R. O.
(Purdue University West Lafayette, Ind., United States)
Bergstrom, R. W.
(NASA Ames Research Center Moffett Field, Calif.; Purdue University, West Lafayette, Ind., United States)
Date Acquired
August 9, 2013
Publication Date
July 1, 1977
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 34
Subject Category
Environment Pollution
Accession Number
77A43061
Funding Number(s)
CONTRACT_GRANT: EPA-R-803514
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available