Lessons learned from three-years operation of TANSO-FTS on GOSAT

Hiroshi Suto; Akihiko Kuze; Kei Shiomi; Masakatsu Nakajima

doi:10.1117/12.930129

24 October 2012 Lessons learned from three-years operation of TANSO-FTS on GOSAT

Hiroshi Suto, Akihiko Kuze, Kei Shiomi, Masakatsu Nakajima

Proceedings Volume 8511, Infrared Remote Sensing and Instrumentation XX; 85110M (2012) https://doi.org/10.1117/12.930129
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

To observe the global column concentration of carbon dioxide (CO₂) and methane (CH₄) from space, the Greenhouse gases Observing SATellite (GOSAT) was launched on January 23, 2009, and has started the operational observation. Thermal and Near Infrared Sensor for Carbon Observation– Fourier Transform Spectrometer (TANSO-FTS) has been continuously measuring CO₂ and CH₄ distributions globally, and the retrieved column CO₂ and CH₄ data have been distributed to the public. Over three-years operational periods, the useful scientific data sets and interesting articles for carbon source/sink evaluation were produced and published, and these results have been supporting to well understanding of carbon cycle. Currently, the importance of space-based carbon observation has been approved and desired the continuous observation in toward. Through the TANSO-FTS operation with the radiometric, geometric and spectroscopic characterizations, we learned how to improve the accuracy of X_CO2 and X_CH4 based on short-wavelength FTS. The correction procedures for micro-vibration from companion components, non-linear response of analogue and digitizing circuit are key role on the current on-board operating TANSO-FTS. On instrumental aspects, the robustness and improvements will be required on the future mission. To elucidate the carbon cycle more precisely, our experiences have to be summarized and applied in the future missions. In this presentation, the detail of lessons and learned from TANSO-FTS operation will be presented.

Citation Download Citation

Hiroshi Suto, Akihiko Kuze, Kei Shiomi, and Masakatsu Nakajima "Lessons learned from three-years operation of TANSO-FTS on GOSAT", Proc. SPIE 8511, Infrared Remote Sensing and Instrumentation XX, 85110M (24 October 2012); https://doi.org/10.1117/12.930129

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KEYWORDS

Calibration

Carbon

Carbon dioxide

Oxygen

Satellites

Optical alignment

Fourier transforms

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