GOSAT higher level product status 1.5 year after the launch

Hiroshi Watanabe; Akira Yuki; Kenji Hayashi; Fumie Kawazoe; Nobuyuki Kikuchi; Fumiho Takahashi; Tsuneo Matsunaga; Tatsuya Yokota

doi:10.1117/12.865577

13 October 2010 GOSAT higher level product status 1.5 year after the launch

Hiroshi Watanabe, Akira Yuki, Kenji Hayashi, Fumie Kawazoe, Nobuyuki Kikuchi, Fumiho Takahashi, Tsuneo Matsunaga, Tatsuya Yokota

Author Affiliations +

Proceedings Volume 7826, Sensors, Systems, and Next-Generation Satellites XIV; 782606 (2010) https://doi.org/10.1117/12.865577
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

After the 1.5 year operation of GOSAT (Greenhouse gases Observing SATellite), NIES GOSAT DHF (GOSAT Data Handling Facility of National Institute for Environmental Studies) has been producing CAI Level 1B and 1B+, FTS/CAI Level 2, and FTS/CAI Level 3 products, receiving FTS Level 1A/1B and CAI Level 1A data from JAXA (FTS: Fourier Transform Spectrometer; CAI: Cloud and Aerosol Imager; JAXA: Japan Aerospace Exploration Agency). In addition to the higher level data processing, GOSAT DHF has the following additional roles: 1) Data archive and distribution, and 2) Observational request collection from users and their submission to JAXA. After calibration and preliminary validation, the processed data are distributed to RA users at the first stage (RA users: researchers engaging in Research Announcement). The processed data are validated and then they are distributed to General Users (GU). All the distribution is carried out through the GOSAT User Interface Gateway (GUIG). As of August 2010, the total number of user registration exceeds 900, and a large number of products are distributed both to the RA users and GU. At this moment, validation indicates that the FTS SWIR L₂ CO₂ and CH4 data show slightly lower values than validation results. Therefore, further improvement of the algorithm is planned as a next version of the FTS L2 products. FTS TIR data processing is still on the way.

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Hiroshi Watanabe, Akira Yuki, Kenji Hayashi, Fumie Kawazoe, Nobuyuki Kikuchi, Fumiho Takahashi, Tsuneo Matsunaga, and Tatsuya Yokota "GOSAT higher level product status 1.5 year after the launch", Proc. SPIE 7826, Sensors, Systems, and Next-Generation Satellites XIV, 782606 (13 October 2010); https://doi.org/10.1117/12.865577

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