12 August 2009 GSICS GEO-LEO inter-calibration: operation status at NOAA/NESDIS
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Abstract
Global Space-based Inter-Calibration System (GSICS) is a critical space component of Global Earth Observation System of Systems (GEOSS) that provided users with high-quality inter-calibrated satellite measurements. As part of the GSICS, imaging instruments on geostationary (GEO) satellites have been inter-calibrated with hyperspectral instrument Atmospheric Infrared Sounder (AIRS) and Infrared Atmospheric Sounding Interferometer (IASI) on Low Earth Orbit (LEO) satellites. This paper reports the GSICS GEO-LEO inter-calibration at NOAA/NESDIS, for GOES-11/12 with AIRS (since January 2007) and IASI (since June 2007), and of METEOSAT-7/8/9, MTSAT-1R, and FY-2C with AIRS and IASI since August 2008. Major components of the operation are reviewed, including algorithm development, data processing, product generation, results dissemination, and selected inter-calibration examples. The preliminary results of the GSICS correction show that the fully functioning GSICS is a powerful tool to monitor instrument performance, to correct sensor bias, and to diagnose the root cause of calibration anomalies.
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Fangfang Yu, Fangfang Yu, Xiangqian Wu, Xiangqian Wu, Yaping Li, Yaping Li, Gordana Rancic, Gordana Rancic, Likun Wang, Likun Wang, M. K. Rama Varma Raja, M. K. Rama Varma Raja, Sueng-hee Sohng, Sueng-hee Sohng, Fuzhong Weng, Fuzhong Weng, Mitchell Goldberg, Mitchell Goldberg, } "GSICS GEO-LEO inter-calibration: operation status at NOAA/NESDIS", Proc. SPIE 7456, Atmospheric and Environmental Remote Sensing Data Processing and Utilization V: Readiness for GEOSS III, 74560A (12 August 2009); doi: 10.1117/12.826146; https://doi.org/10.1117/12.826146
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