国立環境研究所におけるGOSAT地上データシステムの開発とデータ処理方針

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GOSAT Project is a joint project of MOE (Ministry of the Environment), JAXA (Japan Aerospace Exploration Agency) and NIES (National Institute for Environmental Studies). Data acquired by TANSO(Thermal And Near infrared Sensor for carbon Observation)-FTS (Fourier Transform Spectrometer) and TANSO-CAI (Cloud and Aerosol Imager) on GOSAT will be collected at Tsukuba Space Center, in JAXA. The level 1A and 1B products of FTS (interferogram and spectra, respectively) and the level 1A product of CAI (uncorrected data) will be generated at JAXA and will be transferred to GOSAT Data Handling Facility (DHF) at NIES for further processing. Radiometric and geometric correction will be applied to CAI L1A product to generate CAI L1B product. From CAI L1B product, cloud coverage and aerosol information (CAI Level 2 product) will be estimated. The FTS data that is recognized to have “low cloud coverage” by CAI will be processed to generate column amount of carbon dioxide CO2 and methane CH4 (FTS Level 2 product). Level 3 product will be “global map column amount” of green house gases averaged in time and space. Level 4 product will be global distribution of carbon source/sink as well as 3-dimensional atmospheric CO2 concentration derived from inverse and other models. Major data flow will be also described. The Critical Design Review of the DHF was completed in the end of July of 2007 to prepare the scheduled launch of GOSAT in December 2008. The data products can be searched and will be open to the public through GOSAT DHF after the data validation process.
社団法人　日本リモートセンシング学会の論文
2008-04-30

国立環境研究所におけるGOSAT地上データシステムの開発とデータ処理方針

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