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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 5, issue 10
Atmos. Meas. Tech., 5, 2447–2467, 2012
https://doi.org/10.5194/amt-5-2447-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Meas. Tech., 5, 2447–2467, 2012
https://doi.org/10.5194/amt-5-2447-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 19 Oct 2012

Research article | 19 Oct 2012

Level 1 algorithms for TANSO on GOSAT: processing and on-orbit calibrations

A. Kuze1, H. Suto1, K. Shiomi1, T. Urabe1, M. Nakajima1, J. Yoshida2, T. Kawashima2, Y. Yamamoto3, F. Kataoka4, and H. Buijs5 A. Kuze et al.
  • 1Japan Aerospace Exploration Agency, Tsukuba-city, Ibaraki, Japan
  • 2NEC Toshiba Space Systems, Ltd., Fuchu, Tokyo, Japan
  • 3NEC Informatec Systems, Ltd., Kawasaki-City, Kanagawa, Japan
  • 4Remote Sensing Technology Center of Japan, Tsukuba-city, Ibaraki, Japan
  • 5ABB, Inc., Quebec-city, Quebec, Canada

Abstract. The Thermal And Near infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS) onboard the Greenhouse gases Observing SATellite (GOSAT) (nicknamed "Ibuki") has been providing global space-borne observations of carbon dioxide (CO2) and methane (CH4) since 2009. In this paper, we first describe the version V150.151 operational Level 1 algorithms that produce radiance spectra from the acquired interferograms. Second, we will describe the on-orbit characteristics and calibration of TANSO-FTS. Overall function and performance such as signal to noise ratio and spectral resolution are within design objectives. Correction methods of small on-orbit degradations and anomalies, which have been found since launch, are described. Lastly, calibration of TANSO Cloud and Aerosol Imager (TANSO-CAI) are summarized.

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