RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH.

John A Reagan, I. C. Scott-Fleming, B. M. Herman, R. M. Schotland

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The effect of temporal variations in atmospheric optical depth on the determination of the zero-airmass voltage via Langley plot fitting of solar radiometer data is analyzed. It is shown that short-term variations in optical depth can be detected fairly accurately with only an approximate estimate of the zero-airmass voltage. Simulations are presented to assess the effect of specific time variations in optical depth on zero-airmass voltage determinations. It is shown that the fractional error in the zero-airmass voltage determination varies in an approximately one to one relation to the absolute change in optical depth. It is also shown that the error in the zero-airmass voltage determination can be much greater than the standard deviation of this voltage obtained form the least-squares straight-line fit of the Langley plot data.

Original languageEnglish (US)
Title of host publicationEuropean Space Agency, (Special Publication) ESA SP
PublisherESA, Scientific & Technical Publ Branch
Pages455-459
Number of pages5
Volume1
StatePublished - 1984

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Recovery
Electric potential
Radiometers

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Reagan, J. A., Scott-Fleming, I. C., Herman, B. M., & Schotland, R. M. (1984). RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH. In European Space Agency, (Special Publication) ESA SP (Vol. 1, pp. 455-459). ESA, Scientific & Technical Publ Branch.

RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH. / Reagan, John A; Scott-Fleming, I. C.; Herman, B. M.; Schotland, R. M.

European Space Agency, (Special Publication) ESA SP. Vol. 1 ESA, Scientific & Technical Publ Branch, 1984. p. 455-459.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reagan, JA, Scott-Fleming, IC, Herman, BM & Schotland, RM 1984, RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH. in European Space Agency, (Special Publication) ESA SP. vol. 1, ESA, Scientific & Technical Publ Branch, pp. 455-459.
Reagan JA, Scott-Fleming IC, Herman BM, Schotland RM. RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH. In European Space Agency, (Special Publication) ESA SP. Vol. 1. ESA, Scientific & Technical Publ Branch. 1984. p. 455-459
Reagan, John A ; Scott-Fleming, I. C. ; Herman, B. M. ; Schotland, R. M. / RECOVERY OF SPECTRAL OPTICAL DEPTH AND ZERO-AIRMASS SOLAR SPECTRAL IRRADIANCE UNDER CONDITIONS OF TEMPORALLY VARYING OPTICAL DEPTH. European Space Agency, (Special Publication) ESA SP. Vol. 1 ESA, Scientific & Technical Publ Branch, 1984. pp. 455-459
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abstract = "The effect of temporal variations in atmospheric optical depth on the determination of the zero-airmass voltage via Langley plot fitting of solar radiometer data is analyzed. It is shown that short-term variations in optical depth can be detected fairly accurately with only an approximate estimate of the zero-airmass voltage. Simulations are presented to assess the effect of specific time variations in optical depth on zero-airmass voltage determinations. It is shown that the fractional error in the zero-airmass voltage determination varies in an approximately one to one relation to the absolute change in optical depth. It is also shown that the error in the zero-airmass voltage determination can be much greater than the standard deviation of this voltage obtained form the least-squares straight-line fit of the Langley plot data.",
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