25 September 2014 Vicarious calibration of Terra/ASTER/VNIR with desert scenes together with cross calibration
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Abstract
Fourteen and half years of vicarious calibration and cross calibration for Terra/ASTER/VNIR (Visible and Near Infrared Radiometer, one of three ASTER mission instruments onboard Terra satellite) are summarized together with an error budget analysis. As the results, it is found that Onboard Calibration (OBC) data derived Radiometric Calibration Coefficient (RCC) is situated within a range of uncertainty of vicarious calibration except the period after approximately 4000 days after launch. In other word, uncertainty of OBC RCC is overlapped with uncertainty of vicarious calibration for about 4000 days since launch. Meanwhile, cross calibration with MODIS, MISR and ETM+ supports vicarious calibration of VNIR. In other word, Cross RCC shows much consistent trend to Vicarious RCC than OBC RCC.
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K. Arai, K. Arai, } "Vicarious calibration of Terra/ASTER/VNIR with desert scenes together with cross calibration", Proc. SPIE 9218, Earth Observing Systems XIX, 92180R (25 September 2014); doi: 10.1117/12.2060226; https://doi.org/10.1117/12.2060226
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