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Chemical Species Contributions to Light Scattering by Aerosols at a Remote Arid Site Comparison of Statistical and Theoretical Results

Ouimette, J. R. and Flagan, R. C. and Kelso, A. R. (1981) Chemical Species Contributions to Light Scattering by Aerosols at a Remote Arid Site Comparison of Statistical and Theoretical Results. In: Atmospheric Aerosol. ACS Symposium Series. No.167. American Chemical Society , Washington, DC, pp. 125-156. ISBN 10.1021/bk-1981-0167.ch007. https://resolver.caltech.edu/CaltechAUTHORS:20180404-140752066

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Abstract

A one-year, aerosol-light extinction experiment was conducted at China Lake, California, an arid site in the Mohave Desert. Measurements of the aerosol size distribution, the light scattering coefficient, and fine aerosol chemical composition were made. Multiple regression analysis was applied to the measured particle light scattering coefficient and fine aerosol species mass concentrations from 61 filter samples collected during 1979. Contributions of various aerosol species to the particle light scattering coefficient, b_(sp), were estimated. The statistically estimated contributions were compared with those determined theoretically using measured aerosol mass distributions. It was found that the statistically inferred species contributions to b_(sp) agreed qualitatively with those calculated theoretically using measured aerosol distributions. Regression analysis overestimated the contribution of sulfate relative to that calculated theoretically. Using measured 1979 values, a light extinction budget was calculated for China Lake. Measured mass extinction coefficients were used to predict the reduction in visibility at China Lake which would occur by increasing the concentrations of various aerosol species.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/bk-1981-0167.ch007DOIArticle
https://pubs.acs.org/doi/abs/10.1021/bk-1981-0167.ch007PublisherArticle
ORCID:
AuthorORCID
Flagan, R. C.0000-0001-5690-770X
Additional Information:© 1981 American Chemical Society. Received May 11, 1981. Published in print 13 October 1981. This work was supported in part by National Science Foundation grant number PFR76-04179, The Pasadena Lung Association and the Naval Weapons Center at China Lake. We thank Paul Owens and Tom Dodson of the Naval Weapons Center for their assistance in collecting the experimental data.
Funders:
Funding AgencyGrant Number
NSFPFR76-04179
Pasadena Lung AssociationUNSPECIFIED
Naval Weapons Center, China Lake CAUNSPECIFIED
Series Name:ACS Symposium Series
Issue or Number:167
DOI:10.1021/bk-1981-0167.ch007
Record Number:CaltechAUTHORS:20180404-140752066
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180404-140752066
Official Citation:Chemical Species Contributions to Light Scattering by Aerosols at a Remote Arid Site J. R. OUIMETTE, R. C. FLAGAN, and A. R. KELSO Atmospheric Aerosol. October 13, 1981 , 125-156 DOI:10.1021/bk-1981-0167.ch007
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85612
Collection:CaltechAUTHORS
Deposited By:INVALID USER
Deposited On:04 Apr 2018 21:44
Last Modified:15 Nov 2021 20:30

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