Ground-based determination of atmospheric radiance for correction of ERTS-1 data

Details Ground-based determination of atmospheric radiance for correction of ERTS-1 data Ground-based determination of atmospheric radiance for correction of ERTS-1 data

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974apopt..13.2741p&link_type=abstract

Applied Optics, vol. 13, Dec. 1974, p. 2741, 2742.

Physics

Optics

Atmospheric Scattering, Landsat Satellites, Radiance, Remote Sensors, Satellite Observation, Correction, Data Acquisition, Radiation Measurement, Radiometers, Satellite-Borne Instruments, Sky Brightness

Scientific paper

A technique is described for estimating the atmospheric radiance observed by a downward sensor (ERTS) using ground-based measurements. A formula is obtained for the sky radiance at the time of the ERTS overpass from the radiometric measurement of the sky radiance made at a particular solar zenith angle and air mass. A graph illustrates ground-based sky radiance measurements as a function of the scattering angle for a range of solar air masses. Typical values for sky radiance at a solar zenith angle of 48 degrees are given.

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