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Proceedings Paper

Variations in submicron aerosol composition during the EOPACE program
Author(s): Michael H. Smith; Martin K. Hill
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Paper Abstract

Observations of the size-differentiated composition of aerosol particles obtained during the EOPACE (Electro-Optical Propagation Assessment in Coastal Environments) Air Mass Characterisation Experiment in April 1996 are reported. These measurements were made on board the RV Point Sur along the southern California coast, with special emphasis on the Southern California Bight, and demonstrate the extreme variability ofboth aerosol composition and loadings within this region. A thermal analytical technique, which relies upon the fact that dominant aerosol species volatilise at characteristic temperatures, was utilised to determine aerosol composition and comprised a heater system coupled to a commercial optical particle counter. Accompanying measurements of soot carbon loadings were obtained by means of a commercial aethalometer and clearly demonstrated the impact of urban pollution upon this littoral region. This study formed one element ofthe Air Mass Characterisation Experiment which included the retrieval of aerosol optical depths from NOAA-14 sateffite overpasses ofthe region.

Paper Details

Date Published: 23 September 1997
PDF: 9 pages
Proc. SPIE 3125, Propagation and Imaging through the Atmosphere, (23 September 1997); doi: 10.1117/12.283888
Show Author Affiliations
Michael H. Smith, Univ. of Sunderland (United Kingdom)
Martin K. Hill, Univ. of Sunderland (United Kingdom)


Published in SPIE Proceedings Vol. 3125:
Propagation and Imaging through the Atmosphere
Luc R. Bissonnette; Christopher Dainty, Editor(s)

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