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Emissions and emergence : a new index comparing relative contributions to climate change with relative climatic consequences
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Frame, Dave J., Harrington, Luke James, Fuglestvedt, Jan, Millar, Richard, Joshi, Manoj and Caney, Simon (2019) Emissions and emergence : a new index comparing relative contributions to climate change with relative climatic consequences. Environmental Research Letters . doi:10.1088/1748-9326/ab27fc
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WRAP-emissions-emergence-index-relative-climate-consequences-Caney-2019.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution. Download (1198Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/1748-9326/ab27fc
Abstract
We develop a new index which maps relative climate change contributions to relative emergent impacts of climate change. The index compares cumulative emissions data with patterns of signal-to-noise ratios (S/N) in regional temperature (Frame et al., 2017). The latter act as a proxy for a range of local climate impacts, so emergent patterns of this ratio provide an informative way of summarising the regional disparities of climate change impacts. Here we combine these with measures of regional/national contributions to climate change to develop an "emissions-emergence index" (EEI) linking regions'/countries' contributions to climate change with the emergent regional impacts of climate change. The EEI is a simple but robust indicator which captures relative contributions to and regional impacts from climate change. We demonstrate the applicability of the EEI both for discussions of historical contributions and impacts, and for considering future relative contributions and impacts, and examine its utility in the context of existing related metrics. Finally, we show how future emissions pathways can either imply a growth or reduction of regional climate change inequalities depending on the type and compositions of socioeconomic development strategies.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||||
| Divisions: | Faculty of Social Sciences > Politics and International Studies | ||||||
| Library of Congress Subject Headings (LCSH): | Climatic changes -- Effect of human beings on -- Regional disparities | ||||||
| Journal or Publication Title: | Environmental Research Letters | ||||||
| Publisher: | IOP Publishing Ltd | ||||||
| ISSN: | 1748-9326 | ||||||
| Official Date: | 7 June 2019 | ||||||
| Dates: |
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| DOI: | 10.1088/1748-9326/ab27fc | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access |
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