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9 November 2012 GOSAT higher level products and the variation of retrieved XCO2 and XCH4
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Abstract
During the 3.5-year operation of GOSAT (Greenhouse gases Observing SATellite), NIES GOSAT DHF (GOSAT Data Handling Facility of National Institute for Environmental Studies) has been producing some standard products from the data of TANSO-CAI (TANSO: Thermal And Near-infrared Sensor for carbon Observation; CAI: Cloud and Aerosol Imager) and TANSO-FTS (Fourier Transform Spectrometer). The standard data products of CAI Level 1B/1B+, FTS Level 2 SWIR (column amount of CO2 and CH4), FTS Level 2 TIR (profiles of CO2 and CH4 concentration), CAI Level 2 (cloud flag), FTS Level 3 (global map of XCO2, XCH4), and CAI Level 3 (global radiance and global reflectance) have been provided to general users. In addition, CAI Level 3 NDVI (Normalized Difference Vegetation Indices) and FTS Level 4A (flux of CO2) are released to GOSAT RA (Research Announcement) researchers and Model Group RA users, respectively. Since the FTS Level 2 SWIR data have been accumulated more than three years, global distribution and the timely changes of greenhouse gases are observed. In 2012, the version up of FTS Level 1B and FTS Level 2 SWIR has been carried out and the data quality of the new version has been significantly improved.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hiroshi Watanabe, Akira Yuki, Fumie Kawazoe, Sayaka Kanekon, Masataka Ajiro, Tsuneo Matsunaga, and Tatsuya Yokota "GOSAT higher level products and the variation of retrieved XCO2 and XCH4", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation, and Characterization II, 85280Y (9 November 2012); https://doi.org/10.1117/12.977374
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