Laboratory spectral calibration of the TanSat atmospheric carbon dioxide grating spectrometer

Yang, Zhongdong; Zhen, Yuquan; Yin, Zenshan; Lin, Chao; Bi, Yanmeng; Liu, Wu; Wang, Qian; Wang, Long; Gu, Songyan; Tian, Longfei

doi:https://doi.org/10.5194/gi-7-245-2018

Articles | Volume 7, issue 3

https://doi.org/10.5194/gi-7-245-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gi-7-245-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 7, issue 3

Research article

|

21 Aug 2018

Research article |

| 21 Aug 2018

Laboratory spectral calibration of the TanSat atmospheric carbon dioxide grating spectrometer

Zhongdong Yang, Yuquan Zhen, Zenshan Yin, Chao Lin, Yanmeng Bi, Wu Liu, Qian Wang, Long Wang, Songyan Gu, and Longfei Tian

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Final revised paper (published on 21 Aug 2018)
Preprint (discussion started on 11 Apr 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Comments to the authors', Anonymous Referee #2, 21 Jun 2018
- AC1: 'Response to Anonymous Referee #2', Zhongdong Yang, 27 Jun 2018
RC2: 'Revision of the paper entitled "Laboratory Spectral Calibration of the TanSat Atmospheric Carbon Dioxide Grating Spectrometer"', Anonymous Referee #3, 09 Jul 2018
- AC2: 'Interactive comment on “Laboratory Spectral Calibration of the TanSat Atmospheric Carbon Dioxide Grating Spectrometer” by Zhongdong Yang et al. Zhongdong Yang et al. zhongdong.yang@icloud.com, and yangzd@cma.cn', Zhongdong Yang, 19 Jul 2018

Short summary

TanSat is a key satellite mission in the Chinese Earth Observation program and is designed to measure the global atmospheric column-averaged dry-air CO₂ mole fraction. Several critical aspects of the spectrometer, including the spectral resolution, spectral dispersion, and the instrument line shape function of each channel were evaluated. The instrument line shape function of the spectrometer is notably symmetrical and perfectly consistent across all channels in the three bands.