Further improvement of warming-equivalent emissions calculation

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dc.contributor.authorSmith, M. A.
dc.contributor.authorCain, Michelle
dc.contributor.authorAllen, Myles R.
dc.date.accessioned2021-04-15T13:31:47Z
dc.date.available2021-04-15T13:31:47Z
dc.date.issued2021-03-19
dc.description.abstractGWP* was recently proposed1 as a simple metric for calculating warming-equivalent emissions by equating a change in the rate of emission of a short-lived climate pollutant (SLCP) to a pulse emission of carbon dioxide. Other metrics aiming to account for the time-dependent impact of SLCP emissions, such as CGWP, have also been proposed2. In 2019 an improvement to GWP* was proposed by Cain et al.3, hereafter CLA, combining both the rate and change in rate of SLCP emission, justified by the rate of forcing decline required to stabilise temperatures following a recent multi-decade emissions increase. Here we provide a more direct justification of the coefficients used in this definition of GWP*, with a small revision to their absolute values, by equating CO2 and SLCP forcing directly, without reference to the temperature response. This provides a more direct link to the impulse-response model used to calculate GWP values and improves consistency with CGWP values.en_UK
dc.identifier.citationSmith MA, Cain M, Allen MR. (2021) Further improvement of warming-equivalent emissions calculation. Climate and Atmospheric Science, Volume 4, March 2021, Article number 19en_UK
dc.identifier.issn2397-3722
dc.identifier.urihttps://doi.org/10.1038/s41612-021-00169-8
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/16578
dc.language.isoenen_UK
dc.publisherNature Research (part of Springer Nature)en_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectAtmospheric scienceen_UK
dc.subjectClimate changeen_UK
dc.subjectClimate and Earth system modellingen_UK
dc.titleFurther improvement of warming-equivalent emissions calculationen_UK
dc.typeArticleen_UK

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