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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 11, 1207-1231, 2018
https://doi.org/10.5194/amt-11-1207-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
02 Mar 2018
Interlaboratory comparison of δ13C and δD measurements of atmospheric CH4 for combined use of data sets from different laboratories
Taku Umezawa et al.
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Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
SC1: 'review comments', Sergey Assonov, 17 Oct 2017 Printer-friendly Version Supplement 
RC1: 'Review comments', Sergey Assonov, 19 Oct 2017 Printer-friendly Version Supplement 
AC1: 'Response to referee Sergey Assonov', Taku Umezawa, 09 Dec 2017 Printer-friendly Version Supplement 
 
RC2: 'amt-2017-281', Anonymous Referee #2, 26 Oct 2017 Printer-friendly Version 
AC2: 'Response to referee#2', Taku Umezawa, 09 Dec 2017 Printer-friendly Version Supplement 
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
AR by Taku Umezawa on behalf of the Authors (04 Jan 2018)  Author's response  Manuscript
ED: Publish subject to minor revisions (review by editor) (10 Jan 2018) by Frank Keppler  
AR by Taku Umezawa on behalf of the Authors (16 Jan 2018)  Author's response  Manuscript
ED: Publish as is (17 Jan 2018) by Frank Keppler
CC BY 4.0
Publications Copernicus
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Short summary
Isotope measurements are useful for separating different methane sources. However, the lack of widely accepted standards and calibration methods for stable carbon and hydrogen isotopic ratios of methane in air has caused significant measurement offsets among laboratories. We conducted worldwide interlaboratory comparisons, surveyed the literature and assessed them systematically. This study may be of help in future attempts to harmonize data sets of isotopic composition of atmospheric methane.
Isotope measurements are useful for separating different methane sources. However, the lack of...
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