Differentiating natural and anthropogenic cloud condensation nuclei in the California coastal zone

D. A. Hegg; D. S. Covert; H. H. Jonsson; R. Woods

doi:10.1111/j.1600-0889.2009.00435.x

Differentiating natural and anthropogenic cloud condensation nuclei in the California coastal zone

Tellus B: Chemical and Physical Meteorology

Volume 61 (2009): Issue 4

By: D. A. Hegg, D. S. Covert, H. H. Jonsson and R. Woods

Open Access

|Jan 2009

Abstract

Aerosol samples were collected and cloud condensation nuclei (CCN) concentrations at five supersaturations were measured along and off the central California coast within the cloud-topped, marine boundary layer from aircraft flights during August 2007. Receptor modelling has been applied to estimate the natural versus anthropogenic source contribution of cloud condensation nuclei in this region, a region of climatically important marine stratocumulus. The results suggest that anthropogenic CCN accounted for about 50% of the CCN active at 0.3% supersaturation in this region during the measurement period.

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Articles in this issue

DOI: https://doi.org/10.1111/j.1600-0889.2009.00435.x | Journal eISSN: 1600-0889

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Language: English

Page range: 669 - 676

Submitted on: Feb 20, 2009

Accepted on: Jun 15, 2009

Published on: Jan 1, 2009

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 2009 D. A. Hegg, D. S. Covert, H. H. Jonsson, R. Woods, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 61 (2009): Issue 4