Earth Radiation Budget Experiment scanner instrument

Leonard P. Kopia; Robert Benjamin Lee III

doi:10.1117/12.21365

1 September 1990 Earth Radiation Budget Experiment scanner instrument

Leonard P. Kopia, Robert Benjamin Lee III

Proceedings Volume 1299, Long-Term Monitoring of the Earth's Radiation Budget; (1990) https://doi.org/10.1117/12.21365
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Orbital measurements of the earth''s longwave emitted radiation, and the sun''s radiation reflected by the earth are being made by scanning radiometers on three spacecraft platforms in both high altitude sun-synchronous polar (833 km) and low altitude (600 km) equatorial orbits. These ERBE instruments were carried aboard two TIROS ATN satellites (NOAA-9 and -10) in December 1984, and September 1986, and on the Earth Radiation Budget Satellite launched from Space Shuttle mission 41-G in October 1984. Electronic problems with the scanners on all platforms have halted the reception of data after surpassing the scanner design life. The ERBE instruments have been designed to measure the radiance from earth with an absolute radiometric error of less than one percent. The scanner instrument consists of three broadband radiometer channels, shortwave, 0.25 micron to 3.5 microns, longwave 5.0 to 50 microns; and total, 0.25 microns to more than 50 microns, and use thermistor bolometers as sensing elements. This paper describes the design and operation of the ERBE scanner, an overview of the ground calibration approach, the in-flight calibration stability, and an analysis of on-orbit anomalous behavior.

Citation Download Citation

Leonard P. Kopia and Robert Benjamin Lee III "Earth Radiation Budget Experiment scanner instrument", Proc. SPIE 1299, Long-Term Monitoring of the Earth's Radiation Budget, (1 September 1990); https://doi.org/10.1117/12.21365

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