Recalibration of the Advanced Very High Resolution Radiometer for climate change research

Details Recalibration of the Advanced Very High Resolution Radiometer for climate change research Recalibration of the Advanced Very High Resolution Radiometer for climate change research

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..117n&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 14, no. 1, p. (1)117-(1)120

Computer Science

Performance

Advanced Very High Resolution Radiometer, Calibrating, Climate Change, Infrared Radiation, Radiation Measurement, Climatology, Noaa Satellites, Remote Sensing

Scientific paper

A consistent, continuous record of post-launch calibration and performance of the Advanced Very High Resolution Radiometer (AVHRR) onboard the polar orbiting National Oceanic and Atmospheric Administration (NOAA)-7, NOAA-9, and NOAA-11 satellites, spanning the period from 1981 to present, has been produced under the NOAA/NASA AVHRR Pathfinder project. The relative degradation rates for the AVHRR visible(channel 1; about 0.63 micron) and near-infrared(channel 2; about 0.83 micron) channels have been established using the southeastern part of the Libyan desert as a calibration target. The degradation rates are of the order of a few percent per year for both channels. Channel 2 is observed to degrade at a faster rate than channel 1 for the AVHRRs on NOAA-7 and NOAA-11; this trend is reversed for the AVHRR on NOAA-9. The degradation rates obtained in the present study are comparable to results obtained by other, independent methods of post-launch calibration.

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