Articles | Volume 13, issue 4
Atmos. Meas. Tech., 13, 2001–2013, 2020
https://doi.org/10.5194/amt-13-2001-2020
Atmos. Meas. Tech., 13, 2001–2013, 2020
https://doi.org/10.5194/amt-13-2001-2020

Research article 21 Apr 2020

Research article | 21 Apr 2020

Sources of error in open-path FTIR measurements of N2O and CO2 emitted from agricultural fields

Cheng-Hsien Lin et al.

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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by CHENG-HSIEN LIN on behalf of the Authors (17 Oct 2019)  Author's response    Manuscript
ED: Reconsider after major revisions (28 Oct 2019) by David Griffith
AR by CHENG-HSIEN LIN on behalf of the Authors (07 Dec 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (04 Feb 2020) by David Griffith
AR by CHENG-HSIEN LIN on behalf of the Authors (13 Feb 2020)  Author's response    Manuscript
ED: Publish as is (21 Feb 2020) by David Griffith
Short summary
Gas quantification using the open-path Fourier transform infrared spectrometer (OP-FTIR) is subject to interferences of environmental variables, leading to errors in gas concentration calculations. This study investigated the effects of ambient water vapour content, temperature, path lengths, and wind speed on the quantification of N2O and CO2 concentrations, which can help the OP-FTIR users to avoid these errors and improve the precision and accuracy of the atmospheric gas quantification.