"Method for comparison of GERB and CERES radiances"
Earth and related Environmental sciences
Equipment and services
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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.
CitationSmith, G.L.; Szewczyk, Z.P.; Mlynczak, P.E.; Lee, R.B.; Wielicki,B.A.; Priestley,K.J.; Harries, J.E.; Dewitte, S.; Clerbaux, N. (2004). "Method for comparison of GERB and CERES radiances". , Issue In Proceedings of the SPIE 8th conference on Sensors, Systems, and Next-Generation Satellites, volume 5234, pp. 423-432, IRM,