Articles | Volume 13, issue 10
Atmos. Meas. Tech., 13, 5149–5163, 2020
https://doi.org/10.5194/amt-13-5149-2020

Special issue: Effect of Megacities on the Transport and Transformation of...

Atmos. Meas. Tech., 13, 5149–5163, 2020
https://doi.org/10.5194/amt-13-5149-2020

Research article 30 Sep 2020

Research article | 30 Sep 2020

Validation of XCO2 and XCH4 retrieved from a portable Fourier transform spectrometer with those from in situ profiles from aircraft-borne instruments

Hirofumi Ohyama et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Hirofumi Ohyama on behalf of the Authors (11 Aug 2020)  Author's response    Manuscript
ED: Publish as is (15 Aug 2020) by Manabu Shiraiwa
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Short summary
Column-averaged dry-air mole fractions of CO2 and CH4 measured by a solar viewing portable Fourier transform spectrometer (EM27/SUN) were validated with in situ profile data obtained during the transfer flights of two aircraft campaigns. Atmospheric dynamical properties based on ERA5 and WRF-Chem were used as criteria for selecting the best aircraft profiles for the validation. The resulting air-mass-independent correction factors for the EM27/SUN data were 0.9878 for CO2 and 0.9829 for CH4.