Atmospheric methane retrieval from TANSO-FTS/GOSAT-2 thermal IR spectra using FIRE-ARMS software

Ilya V. Zadvornykh; Konstantin G. Gribanov; Vyacheslav I. Zakharov; Ryoichi Imasu

doi:10.1117/12.2575622

12 November 2020 Atmospheric methane retrieval from TANSO-FTS/GOSAT-2 thermal IR spectra using FIRE-ARMS software

Ilya V. Zadvornykh, Konstantin G. Gribanov, Vyacheslav I. Zakharov, Ryoichi Imasu

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115604Y (2020) https://doi.org/10.1117/12.2575622
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The GOSAT-2 satellite was launched in August 2018 to continue the global greenhouse gas monitoring project. Here, using the original FIRE-ARMS software, we performed retrieval of the atmospheric main methane isotopologue dry air mole fraction (XCH₄) from TANSO-FTS/GOSAT-2 satellite Fourier spectrometer spectra in thermal infrared range over the Kanto area, Japan (34.75-36.75N; 139-141E) in February-April 2019. The optimal estimation method was used to solve the inverse problem. The CAMS Near-Real-Time reanalysis data of European Centre for Medium-Range Weather Forecasts was used as an initial guess.

Citation Download Citation

Ilya V. Zadvornykh, Konstantin G. Gribanov, Vyacheslav I. Zakharov, and Ryoichi Imasu "Atmospheric methane retrieval from TANSO-FTS/GOSAT-2 thermal IR spectra using FIRE-ARMS software", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115604Y (12 November 2020); https://doi.org/10.1117/12.2575622

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