Abstract
With the rapid advances and abundant observations from Chinese Fengyun-3 (FY-3) meteorological satellites, it is of great interest to summarize a decade of quality assessments of FY-3 observations. The topics covered are noise characterization, bias estimation, striping noise detection and mitigation of striping noise, radio frequency interference detection, geolocation accuracy estimation and improvement, data assimilation cloud detection and quality control for observations from the MicroWave Temperature Sounder (MWTS), the MicroWave Humidity Sounder (MWHS), the MicroWave Radiation Imager (MWRI) and the Hyperspectral Infrared Atmospheric Sounder (HIRAS) instruments on board FY-3A/B/C/D. Whether and how much FY-3 data assimilation could improve the numerical weather forecast skill strongly depends on how well the FY-3 data characteristics and errors listed above are known. This review article shall contribute to promoting internal and national usages of FY-3 observations for weather and climate studies.
Highlights
The MicroWave Radiation Imager (MWRI) onboard FY-3A/B/C/D has most of the frequencies of the Advanced Microwave Scanning Radiometer–EOS (AMSR-E) onboard the National Aeronautics and Space Administration (NASA) Aqua satellite launched in May 2002, except for lacking the C-band (6.9 GHz) [7]
This paper summarizes the research results completed over the past 10 years (2011-2020) on FY-3 observations from MicroWave Temperature Sounder (MWTS), MicroWave Humidity Sounder (MWHS), MWRI and HIRAD
MWTS has a large gap from 2015 to 2017, and MWRI has a small gap in of MWHS onboard FY-3A/B/C are consistently longer than both MWTS and MWRI
Summary
The microwave temperature sounder (MWTS), microwave humidity sounder (MWHS), microwave radiation imager (MWRI) and hyperspectral infrared sounder (HIRAS) are four major types of FY-3 instruments that provide observations of brightness temperature for direct assimilation in NWP modeling systems. These instruments lagged behind similar instruments from the United States (US) for more than a decade. The MWRI onboard FY-3A/B/C/D has most of the frequencies of the Advanced Microwave Scanning Radiometer–EOS (AMSR-E) onboard the National Aeronautics and Space Administration (NASA) Aqua satellite launched in May 2002, except for lacking the C-band (6.9 GHz) [7].
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