Accounting for the climate-carbon feedback in emission metrics

14531 11 77021 2 212869 document 77021 esd-8-235-2017.pdf application/pdf 11882a437d34edd8af3176c7efb1468d MD5 2323280 2017-04-11 08:43:34 https://pure.iiasa.ac.at/id/eprint/14531/1/esd-8-235-2017.pdf 14531 1 1 application/pdf text en public cc_by

esd-8-235-2017.pdf

published 77026 1 212882 document 77026 indexcodes.txt text/x-asm f24983b55976d00a2c58ae6ec9493b11 MD5 15050 2017-04-11 08:53:08 https://pure.iiasa.ac.at/id/eprint/14531/2/indexcodes.txt 14531 2 2 text/x-asm other Generate index codes conversion from text to indexcodes en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/77021 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/77021 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/77021 archive 353 disk0/00/01/45/31 2017-04-11 08:50:44 2021-08-27 17:28:50 2017-04-11 08:50:44 article show Gasser T. 2136 0000-0003-4882-2647 Peters G.P. Fuglestvedt J.S. Collins W.J. Shindell D.T. Ciais P. Accounting for the climate-carbon feedback in emission metrics pub prog_esm Most emission metrics have previously been inconsistently estimated by including the climate–carbon feedback for the reference gas (i.e. CO2) but not the other species (e.g. CH4). In the fifth assessment report of the IPCC, a first attempt was made to consistently account for the climate–carbon feedback in emission metrics. This attempt was based on only one study, and therefore the IPCC concluded that more research was needed. Here, we carry out this research. First, using the simple Earth system model OSCAR v2.2, we establish a new impulse response function for the climate–carbon feedback. Second, we use this impulse response function to provide new estimates for the two most common metrics: global warming potential (GWP) and global temperature-change potential (GTP). We find that, when the climate–carbon feedback is correctly accounted for, the emission metrics of non-CO2 species increase, but in most cases not as much as initially indicated by IPCC. We also find that, when the feedback is removed for both the reference and studied species, these relative metric values only have modest changes compared to when the feedback is included (absolute metrics change more markedly). Including or excluding the climate–carbon feedback ultimately depends on the user's goal, but consistency should be ensured in either case. 2017-04-10 published Copernicus 10.5194/esd-8-235-2017 2885 public Earth System Dynamics 8 2 235-253 TRUE 2190-4987 Effects of phosphorus limitations on Life, Earth system and Society (IMBALANCE-P, FP7 610028) Infrastructure for the European Network for Earth System modelling - Phase 2 (IS-ENES2 ,FP7 312979) FALSE yes info:eu-repo/grantAgreement/EC/FP7/610028/EU/Effects of phosphorus limitations on Life, Earth system and Society/IMBALANCE-P; info:eu-repo/grantAgreement/EC/FP7/312979/EU/Infrastructure for the European Network for Earth System modelling - Phase 2/IS-ENES info:eu-repo/semantics/article info:eu-repo/semantics/openAccess