Articles | Volume 19, issue 11
Atmos. Chem. Phys., 19, 7743–7757, 2019
https://doi.org/10.5194/acp-19-7743-2019
Atmos. Chem. Phys., 19, 7743–7757, 2019
https://doi.org/10.5194/acp-19-7743-2019

Research article 11 Jun 2019

Research article | 11 Jun 2019

Climate impact of Finnish air pollutants and greenhouse gases using multiple emission metrics

Kaarle Juhana Kupiainen et al.

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Cited articles

Aamaas, B., Peters, G. P., and Fuglestvedt, J. S.: Simple emission metrics for climate impacts, Earth Syst. Dynam., 4, 145–170, https://doi.org/10.5194/esd-4-145-2013, 2013. 
Aamaas, B., Berntsen, T. K., Fuglestvedt, J. S., Shine, K. P., and Bellouin, N.: Regional emission metrics for short-lived climate forcers from multiple models, Atmos. Chem. Phys., 16, 7451–7468, https://doi.org/10.5194/acp-16-7451-2016, 2016. 
Aamaas, B., Berntsen, T. K., Fuglestvedt, J. S., Shine, K. P., and Collins, W. J.: Regional temperature change potentials for short-lived climate forcers based on radiative forcing from multiple models, Atmos. Chem. Phys., 17, 10795–10809, https://doi.org/10.5194/acp-17-10795-2017, 2017. 
Allen, M. R., Fuglestvedt, J. S., Shine K. P., Reisinger, A., Pierrehumbert, R. T., and Forster, P. M.: New use of global warming potentials to compare cumulative and short-lived climate pollutants, Nat. Clim. Change, 6, 773–776, https://doi.org/10.1038/nclimate2998, 2016. 
Allen, M. R., Shine K. P., Fuglestvedt, J. S., Millar, R. J., Cain, M., Frame, D. J., and Macey, A. H.: A solution to the misrepresentations of CO2-equivalent emissions of short-lived climate pollutants under ambitious mitigation, Climate and Atmospheric Science, 1, 16, https://doi.org/10.1038/s41612-018-0026-8, 2018. 
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We estimate global and Arctic temperature impacts of air pollutant and greenhouse gas emissions from Finland, using different climate metrics. This is an example of how the climate impact of emissions from small countries and sources can be evaluated, which is challenging with climate models. We find that CO2 emissions have the most significant climate impact, which increases with longer time horizons. In the short term, emissions of CH4 and black carbon are also important.
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