Characterization of Background Biological Aerosol.

Abstract

12 HOURLY BIOLOGICAL AEROSOL SAMPLES WERE COLLECTED, USING A WET CYCLONE Aerojet impinger, at the background Mace Head research station, near Carna, Co. Galway, on the west coast of Ireland. Both conventional microscopic analysis as well as an automated digital imaging system (courtesy of DERA, Porton Down) was used to size the aerosol particles. Good agreement was found using the two systems. Size distribution spectra of the biological fraction and the total aerosol population were determined. Background marine aerosol was found to possess lower levels than that of polluted continental air. Quantitative flourescence cross-sections (cm2/particle) were calculated as a function of excitation wavelength for both background marine and continental air.

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Document Details

Document Type
Technical Report
Publication Date
Aug 04, 1998
Accession Number
ADA354152

Entities

People

  • S. G. Jennings

Organizations

  • University of Galway

Tags

DTIC Thesaurus Topics

  • Aerosols
  • Bacteria
  • Biological Aerosols
  • Condensation Nuclei
  • Diameters
  • Emission
  • Emission Spectra
  • Excitation
  • Fluorescence
  • Fungi
  • Humidity
  • Infrared Radiation
  • Meteorology
  • Microscopy
  • Particle Size
  • Particles
  • Spectra

Fields of Study

  • Environmental science

Readers

  • Aerosol Science/Aerosol Physics
  • Atmospheric Science/Meteorology
  • European Security and Defence Policy (ESDP).