A new instrument for measurement of the solar aureole radiance distribution from unstable platforms

J. M. Ritter, Kenneth Voss

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A novel imaging solar aureole radiometer, which can obtain absolute radiometric measurements of the solar aureole when operated on an unstable platform, is described. A CCD array is used to image the aureole, while a neutral density occulter on a long pole blocks the direct solar radiation. This ensures accurate direction registration as the sun appears in acquired images, and the total circumsolar region is measured simultaneously. The imaging nature of this instrument along with a special triggering device permit acquisition of the circumsolar sky radiance within 7.5°of the center of the solar disk, and within 1°of the edge of the solar disk. This innovation makes possible, for the first time, reliable and accurate radiometric measurements of the solar aureole from unstable mobile platforms such as ships. This allows determination of the small angle atmospheric light scattering. The instrument has been used in field studies of atmospheric aerosols and will be used in satellite validation and calibration campaigns.

Original languageEnglish (US)
Pages (from-to)1040-1047
Number of pages8
JournalJournal of Atmospheric and Oceanic Technology
Volume17
Issue number8
StatePublished - 2000
Externally publishedYes

Fingerprint

aureole
radiance
Imaging techniques
Atmospheric aerosols
Radiometers
Solar radiation
Charge coupled devices
Sun
Light scattering
Poles
Ships
Innovation
Satellites
Calibration
light scattering
radiometer
solar radiation
innovation
aerosol
calibration

ASJC Scopus subject areas

  • Atmospheric Science
  • Ocean Engineering

Cite this

A new instrument for measurement of the solar aureole radiance distribution from unstable platforms. / Ritter, J. M.; Voss, Kenneth.

In: Journal of Atmospheric and Oceanic Technology, Vol. 17, No. 8, 2000, p. 1040-1047.

Research output: Contribution to journalArticle

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