Near-real-time measurement of sea-salt aerosol during the SEAS campaign: Comparison of emission-based sodium detection with an aerosol volatility technique

P. Campuzano-Jost, C. D. Clark, H. Maring, D. S. Covert, S. Howell, V. Kapustin, K. A. Clarke, E. S. Saltzman, Anthony J Hynes

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The first deployment of an emission-based aerosol sodium detector (ASD), designed to chemically characterize marine aerosols on a near-real-time basis, is reported. Deployment occurred as part of the Shoreline Environment Aerosol Study (SEAS) from 16 April to 1 May 2000 at Bellows Air Force Base on the east side of Oahu, where the University of Hawaii's Department of Oceanography maintains a tower for aerosol measurements. The instrument was operated in size-unsegregated mode and measurements were made that included two extended continuous sampling periods, each of which lasted for 24 h. During this time, the ASD was compared with measurements that used aerosol volatility coupled with optical particle counting to infer sea-salt size distributions. A reasonable agreement was obtained between the instruments when sampling in clean air, suggesting that under these conditions both approaches can provide reliable sea-salt distributions. The combination of these measurements suggested that sea salt was the dominant constituent of aerosol particles with diameters larger than 500 nm and that sulfate was the dominant constituent at smaller diameters during clean air sampling.

Original languageEnglish (US)
Pages (from-to)1421-1430
Number of pages10
JournalJournal of Atmospheric and Oceanic Technology
Volume20
Issue number10
DOIs
StatePublished - Oct 2003

Fingerprint

sea salt
Time measurement
Aerosols
shoreline
Sodium
sodium
Salts
aerosol
Sampling
Particles (particulate matter)
Air
Detectors
Oceanography
Bellows
air sampling
sampling
comparison
detection
volatility
oceanography

ASJC Scopus subject areas

  • Atmospheric Science
  • Ocean Engineering

Cite this

Near-real-time measurement of sea-salt aerosol during the SEAS campaign : Comparison of emission-based sodium detection with an aerosol volatility technique. / Campuzano-Jost, P.; Clark, C. D.; Maring, H.; Covert, D. S.; Howell, S.; Kapustin, V.; Clarke, K. A.; Saltzman, E. S.; Hynes, Anthony J.

In: Journal of Atmospheric and Oceanic Technology, Vol. 20, No. 10, 10.2003, p. 1421-1430.

Research output: Contribution to journalArticle

Campuzano-Jost, P. ; Clark, C. D. ; Maring, H. ; Covert, D. S. ; Howell, S. ; Kapustin, V. ; Clarke, K. A. ; Saltzman, E. S. ; Hynes, Anthony J. / Near-real-time measurement of sea-salt aerosol during the SEAS campaign : Comparison of emission-based sodium detection with an aerosol volatility technique. In: Journal of Atmospheric and Oceanic Technology. 2003 ; Vol. 20, No. 10. pp. 1421-1430.
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