Articles | Volume 14, issue 9
Atmos. Meas. Tech., 14, 5955–5976, 2021
Atmos. Meas. Tech., 14, 5955–5976, 2021

Research article 03 Sep 2021

Research article | 03 Sep 2021

First ground-based Fourier transform infrared (FTIR) spectrometer observations of HFC-23 at Rikubetsu, Japan, and Syowa Station, Antarctica

Masanori Takeda et al.

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Cited articles

AGAGE consortium: Advanced Global Atmospheric Gases Experiment data archive, available at:, last access: 13 August 2021. 
Arnold, T., Mühle, J., Salameh, P. K., Harth, C. M., Ivy, D. J., and Weiss, R. F.: Automated measurement of nitrogen trifluoride in ambient air, Anal. Chem., 84, 4798–4804, 2012. 
Ceausu-Velcescu, A., Bürger, H., and Graner, G.: High-resolution infrared spectra of HCF3 in the ν6 (500 cm−1) and 2ν6 (1000 cm−1) regions: rovibrational analysis and accurate determination of the ground state constants C0 and DK0, J. Mol. Spectrosc., 220, 298–305, 2003. 
Chang, L., Palo, S., Hagan, M, Richter, J., Garcia, R., Riggin, D., and Fritts, D.: Structure of the migrating diurnal tide in the Whole Atmosphere Community Climate Model (WACCM), Adv. Space Res., 41, 1398–1407,, 2008. 
Chung, Y. K.: Absorption cross-sections off HFC-23 at atmospheric conditions, J. Quant. Spectrosc. Ra., 96, 281–287,, 2005. 
Short summary
This paper presents the first observations of atmospheric HFC-23 abundances with a ground-based remote sensing technique. The increasing trend of the HFC-23 abundances analyzed by this study agrees with that derived from other existing in situ measurements. This study indicates that ground-based FTIR observation has the capability to monitor the trend of atmospheric HFC-23 and could allow for monitoring the distribution of global atmospheric HFC-23 abundances in more detail.