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Science 16 October 1970:
Vol. 170. no. 3955, pp. 315 - 317
DOI: 10.1126/science.170.3955.315
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Articles

Atmospheric Aerosol: Does a Background Level Exist?

William M. Porch 1, Robert J. Charlson 1, and Lawrence F. Radke 2

1 Departments of Geophysics and Civil Engineering, University of Washington, Seattle 98105
2 Department of Atmospheric Sciences, University of Washington

Measurements of light-scattering made with an integrating nephelometer at Point Barrow, Alaska, and Mount Olympus, Washington, are in agreement in magnitude, and both sets of measurements also are in agreement with other measurements of light-scattering and turbidity made in remote locations. This agreement suggests that a background level of aerosol exists and that the concept of a background is applicable.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Stratospheric Ozone Effects on Temperature.
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Aerosols and Polar Temperature Changes.
R. A. Reck and R. A. Reck (1975)
Science 188, 728-730
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Atmospheric Carbon Dioxide and Aerosols: Effects of Large Increases on Global Climate.
S. I. Rasool and S. H. Schneider (1971)
Science 173, 138-141
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Atmospheric Aerosol Background Level.
W. H. Fischer (1971)
Science 171, 828-829
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