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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 6
Atmos. Meas. Tech., 13, 3167–3190, 2020
https://doi.org/10.5194/amt-13-3167-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Meas. Tech., 13, 3167–3190, 2020
https://doi.org/10.5194/amt-13-3167-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 16 Jun 2020

Research article | 16 Jun 2020

Correcting the impact of the isotope composition on the mixing ratio dependency of water vapour isotope measurements with cavity ring-down spectrometers

Yongbiao Weng et al.

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Interactive discussion

Status: closed
Status: closed
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 Yongbiao Weng on behalf of the Authors (14 Mar 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (27 Mar 2020) by Christof Janssen
RR by Anonymous Referee #1 (31 Mar 2020)
RR by Anonymous Referee #3 (16 Apr 2020)
ED: Publish subject to minor revisions (review by editor) (20 Apr 2020) by Christof Janssen
AR by Yongbiao Weng on behalf of the Authors (30 Apr 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (11 May 2020) by Christof Janssen
AR by Yongbiao Weng on behalf of the Authors (12 May 2020)  Author's response    Manuscript
Publications Copernicus
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Short summary
We find that the known mixing ratio dependence of laser spectrometers for water vapour isotope measurements varies with isotope composition. We have developed a scheme to correct for this isotope-composition-dependent bias. The correction is most substantial at low mixing ratios. Stability tests indicate that the first-order dependency is a constant instrument characteristic. Water vapour isotope measurements at low mixing ratios can now be corrected by following our proposed procedure.
We find that the known mixing ratio dependence of laser spectrometers for water vapour isotope...
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