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Original Articles

Observations of the impact of cloud processing on aerosol light-scattering efficiency

Pages 285-293 | Received 16 Jul 2003, Accepted 10 Oct 2003, Published online: 18 Jan 2017
 

Abstract

Airborne data are presented on the impact of cloud processing on the aerosol mass light-scattering efficiency. Themeasurements, on marine stratocumulus, suggest that cloud processing significantly enhanced the mass light-scatteringefficiency in three of the five cases analysed. Enhancements were of the order of 10% for air detraining from the clouddeck relative to non-detraining air. A diagnostic modelling analysis suggested that the observed enhancements wereconsistent with the previously proposed explanation of in-cloud sulfate production in the particle size range for efficientlight scattering.