Aerosols in the Atmosphere: Calculation of the Critical Absorption/Backscatter Ratio

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Science  13 Dec 1974:
Vol. 186, Issue 4168, pp. 1034-1036
DOI: 10.1126/science.186.4168.1034


The ratio of the absorption coefficient to the backscatter coefficient for which heating and cooling effects due to aerosols exactly balance at the earth's surface has been calculated with the use of a radiative-convective atmospheric model. The results are compared with those obtained from several simpler mean radiative-transfer models.