A purpose of this paper is to present verification of the consistency of unfiltered radiances measured
by CERES instruments over their mission 2000-2016. The FM1 scanner on Terra, designated as the climate
instrument, is used as a benchmark. The degradation modeling while the instruments on Terra and Aqua were
operating in the RAPS mode is being revised, and the rate of the monthly degradation is shown to be 0.03%. The
focus of this paper is on consistency between Terra CERES scanners, and it is a part of a broader investigation.
Results of comparing FM2 and FM1 are reported for all-sky condition and selected scene types for shortwave and
long-wave radiances based on Edition 4 ERBE-like (ES8) data product. Some scene type based results are also
verified using an SSF product that contains imager (MODIS) information.
Z. Peter Szewczyk, Dale R. Walikainen, Nitchie Smith, Susan Thomas, and Kory J. Priestley, "Improving consistency of the ERB record measured by CERES scanners aboard Terra/Aqua/S-NPP satellites," Proc. SPIE 10424, Remote Sensing of Clouds and the Atmosphere XXII, 104240I (Presented at SPIE Remote Sensing: September 14, 2017; Published: 2 October 2017); https://doi.org/10.1117/12.2278457.
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