EXTRAPOLATION OF EARTH-BASED SOLAR IRRADIANCE MEASUREMENTS TO EXOATMOSPHERIC LEVELS FOR BROAD-BAND AND SELECTED ABSORPTION-BASED OBSERVATIONS.

John A Reagan, Peter A. Pilewskie, Ian C. Scott-Fleming, Benjamin M. Herman, Avishai Ben-David

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

A description is given of techniques and results for extrapolating earth-based spectral band measurements of directly transmitted solar irradiance to equivalent exoatmospheric signal levels. These techniques have been used to aid in determining system gain settings of the Halogen Occultation Experiment (HALOE) sunsensor system being developed for the NASA Upper Atmospheric Research Satellite and for the SAGE II stratospheric aerosol and gas instrument launched in October, 1984, on the NASA Earth Radiation Budget Satellite. A band transmittance approach was used for the HALOE sunsensor, which has a broadband channel determined by the spectral responsivity of a silicon detector. A modified Langley plot approach, assuming a square-root law behavior for the water vapor transmittance, was used for the SAGE II 940-nm water-vapor channel.

Original languageEnglish (US)
JournalIEEE Transactions on Geoscience and Remote Sensing
VolumeGE-25
Issue number6
StatePublished - Nov 1987

Fingerprint

Halogen Occultation Experiment
Halogens
transmittance
Steam
halogen
Extrapolation
irradiance
Water vapor
NASA
water vapor
extrapolation
Earth (planet)
Earth radiation budget
Satellites
broadband
Silicon detectors
Upper atmosphere
radiation budget
spectral bands
Aerosols

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Computers in Earth Sciences
  • Electrical and Electronic Engineering

Cite this

EXTRAPOLATION OF EARTH-BASED SOLAR IRRADIANCE MEASUREMENTS TO EXOATMOSPHERIC LEVELS FOR BROAD-BAND AND SELECTED ABSORPTION-BASED OBSERVATIONS. / Reagan, John A; Pilewskie, Peter A.; Scott-Fleming, Ian C.; Herman, Benjamin M.; Ben-David, Avishai.

In: IEEE Transactions on Geoscience and Remote Sensing, Vol. GE-25, No. 6, 11.1987.

Research output: Contribution to journalArticle

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