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Earth System Dynamics An interactive open-access journal of the European Geosciences Union

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Earth Syst. Dynam., 8, 235-253, 2017
http://www.earth-syst-dynam.net/8/235/2017/
doi:10.5194/esd-8-235-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
10 Apr 2017
Accounting for the climate–carbon feedback in emission metrics
Thomas Gasser 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: 'A high quality, pertinent article can be improved by recommending the simpler, more transparent approach to GWP calculations', Marcus Sarofim, 05 Dec 2016 Printer-friendly Version 
AC1: 'Response to comment #1', Thomas Gasser, 02 Mar 2017 Printer-friendly Version 
 
RC1: 'interesting paper, but an accurate subjective metric does not lead to an objective one.', Anonymous Referee #1, 16 Dec 2016 Printer-friendly Version 
AC3: 'Response to referee #1', Thomas Gasser, 02 Mar 2017 Printer-friendly Version 
 
SC2: 'Short comment', Levi Golston, 19 Dec 2016 Printer-friendly Version 
AC2: 'Response to comment #2', Thomas Gasser, 02 Mar 2017 Printer-friendly Version 
 
RC2: 'Review for "Accounting for the climate-carbon feedback in emission metrics (Gasser et al.)"', Katsumasa Tanaka, 19 Jan 2017 Printer-friendly Version 
AC4: 'Response to referee #2', Thomas Gasser, 02 Mar 2017 Printer-friendly Version 
 
AC5: 'Other changes & revised manuscript', Thomas Gasser, 02 Mar 2017 Printer-friendly Version Supplement 
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to technical corrections (20 Mar 2017) by Valerio Lucarini  
AR by Thomas Gasser on behalf of the Authors (23 Mar 2017)  Author's response  Manuscript
Publications Copernicus
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Short summary
Emission metrics such as GWP or GTP are used to put non-CO2 species on a CO2-equivalent scale. In the fifth IPCC report the metrics are inconsistent, as the climate–carbon feedback is included only for CO2 but not for non-CO2 species. Here, we simulate a new impulse response function for the feedback, and we use it to correct the metrics. For instance, 1 g of CH4 is equivalent to 31 g of CO2 (instead of 28 g) following the corrected GWP100 metric. It is 34 g if other factors are also updated.
Emission metrics such as GWP or GTP are used to put non-CO2 species on a CO2-equivalent scale....
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