Trend analyses of sulfur dioxide emissions and sulfate concentrations and their application to global cooling

ABDUL J. ALKEZWEENY

Abstract

Sulfur emissions and sulfate concentrations in ice samples obtained from different depths at a site in Southern Greenland are used to infer a relationship between the emissions and sulfate aerosols. In a theoretical model, it was found that this relationship is nonlinear. The upward trend in the sulfate concentrations over the past 100 years is related to a change in cloud droplet concentrations and its impact on global surface temperature. It is estimated that 1.0 to 2ºC of cooling is possible.

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