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Evaluation of the Use of Dark and Bright Targets for the In-Flight Calibration of AVIRISDuring a field campaign at Lake Tahoe on June 22, 1995, calibrations of AVIRIS were attempted using both the reflectance-based and radiance-based methods. This experiment shows that the use of dark water targets to calibrate radiometric sensors can result in meaningful sensor characterization. In particular, the reflectance-based method shows promise towards meeting the desired 2-3% uncertainty levels for ocean color sensors since experimental agreement of better than 1.5% is found for the Lake Tahoe AVIRIS experiment. Similarly promising results were found from reflectance-based calibrations at Lunar Lake with large portions of the spectrum having less than a 5% difference between the reflectance-based predictions and the measured AVIRIS radiances. These results are still in the preliminary stage and it is likely that further study of this data set will lead to even better agreement. The results of the radiance-based calibration at Lake Tahoe are quite good at the shorter wavelengths where atmospheric scattering leads to larger signals and smaller effects of specularly reflected solar energy. The results also showed the sensitivity to radiometer pointing when using water targets for vicarious calibration.
Document ID
20000064575
Document Type
Conference Paper
Authors
Thome, K. (Arizona Univ. Tucson, AZ United States)
Parada, R. (Arizona Univ. Tucson, AZ United States)
Schiller, S. (South Dakota State Univ. Brookings, SD United States)
Conel, J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
LaMarr, J. (Arizona Univ. Tucson, AZ United States)
Date Acquired
August 19, 2013
Publication Date
December 19, 1998
Publication Information
Publication: Summaries of the Seventh JPL Airborne Earth Science Workshop January 12-16, 1998
Volume: 1
Subject Category
Earth Resources and Remote Sensing
Funding Number(s)
CONTRACT_GRANT: NGT-30239
CONTRACT_GRANT: NAGW-3543
CONTRACT_GRANT: NAS3-5171
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle20000064520Analytic PrimarySummaries of the Seventh JPL Airborne Earth Science Workshop January 12-16, 1998
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