2 February 2004 Method for comparison of GERB and CERES radiances
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The Geostationary Earth Radiation Budget (GERB) instrument aboard the Meteosat Second Generation Satellite has 256 channels which measure total radiance and 256 channels which measure solar radiation reflected from the Earth. In order to validate the calibration of these channels, the Clouds and Earth Radiant Energy System (CERES) instrument aboard the Terra spacecraft is operated in such a way as to view Earth scenes from the same direction as the GERB, so as to measure the same total and reflected solar radiances. The method uses the capability to program the azimuth of the CERES scan plane, such that the scan plane includes the GERB.
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George Louis Smith, Z. Peter Szewczyk, Pamela E. Mlynczak, Robert Benjamin Lee, Bruce A. Wielicki, Kory J. Priestley, John E. Harries, Steven DeWitt, Nicolas Clerbaux, "Method for comparison of GERB and CERES radiances", Proc. SPIE 5234, Sensors, Systems, and Next-Generation Satellites VII, (2 February 2004); doi: 10.1117/12.513464; https://doi.org/10.1117/12.513464


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