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Jiang, GM, Yan, H, Ma, LL (2009). Intercalibration of SVISSR/FY-2C Infrared Channels Against MODIS/Terra and AIRS/Aqua Channels. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 47(5), 1548-1558.

This paper addresses the intercalibration of the infrared channels 1 (10.9 mu m), 2 (11.9 mu m), and 4 (3.8 mu m) of the Stretched Visible and Infrared Spin Scan Radiometer (SVISSR) onboard China's geostationary satellite FengYun 2C (FY-2C) against the channels of the MODerate resolution Imaging Spectroradiometer (MODIS) onboard Terra and of the Atmospheric InfraRed Sounder (AIRS) onboard Aqua. The effects of the wide spectral range of SVISSR channels 1, 2, and 4 were evaluated. Three methods, including the ray-matching method, the radiative transfer modeling method, and the high spectral convolution method, were developed in a tropical region using the SVISSR/FY-2C, MODIS/Terra, and AIRS/Aqua measurements in December 2006 and 2007. The results reveal that the onboard calibration of SVISSR/FY-2C was stable during that period; however, calibration discrepancies exist between MODIS and SVISSR channels and between AIRS and SVISSR channels. The intercalibration coefficients of SVISSR/FY-2C channels were obtained for each of the three methods.



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