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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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AMT | Articles | Volume 13, issue 10
Atmos. Meas. Tech., 13, 5149–5163, 2020
https://doi.org/10.5194/amt-13-5149-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

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
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

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.

Data sets

TCCON data from Tsukuba (JP), 125HR, Release GGG2014.R2 I. Morino, T. Matsuzaki, and M. Horikawa https://doi.org/10.14291/tccon.ggg2014.tsukuba02.r2

TCCON data from Burgos, Ilocos Norte (PH), Release GGG2014.R0 I. Morino, V. A. Velazco, A. Hori, O. Uchino, and D. W. T. Griffith https://doi.org/10.14291/tccon.ggg2014.burgos01.r0

TCCON data from Rikubetsu (JP), Release GGG2014.R2 I. Morino, N. Yokozeki, T. Matsuzaki, and M. Horikawa https://doi.org/10.14291/tccon.ggg2014.rikubetsu01.r2

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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.
Column-averaged dry-air mole fractions of CO2 and CH4 measured by a solar viewing portable...
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