Climate forcing and air quality change due to regional emissions reductions by economic sector

8473 7 32973 2 70664 document 32973 acp-8-7101-2008.pdf application/pdf 0c63299576db706bc0a633957049e00f MD5 732873 2016-02-19 12:23:13 https://pure.iiasa.ac.at/id/eprint/8473/1/acp-8-7101-2008.pdf 8473 1 1 application/pdf text en public

acp-8-7101-2008.pdf

published 32974 2 70667 document 32974 lightbox.jpg image/png 80bc1de2cfa525b5a75cea7d4bd6b6da MD5 56765 2016-02-19 12:23:35 https://pure.iiasa.ac.at/id/eprint/8473/2/lightbox.jpg 8473 2 2 image/png other Thumbnails conversion from text to thumbnail_lightbox en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/32973 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/32973 http://eprints.org/relation/isIndexCodesVersionOf https://pure.iiasa.ac.at/id/document/32973 archive 351 disk0/00/00/84/73 2016-01-15 08:40:46 2021-08-27 17:20:16 2016-01-15 08:40:46 article show 1 Shindell D.T. Lamarque J.-F. Unger N. Koch D. Faluvegi G. Bauer S. Amann M. 1136 0000-0002-1963-0972 Cofala J. 1460 Teich H. Climate forcing and air quality change due to regional emissions reductions by economic sector pub iis_env prog_apd We examine the air quality (AQ) and radiative forcing (RF) response to emissions reductions by economic sector for North America and developing Asia in the CAM and GISS composition/climate models. Decreases in annual average surface particulate are relatively robust, with intermodel variations in magnitude typically <30% and very similar spatial structure. Surface ozone responses are small and highly model dependent. The largest net RF results from reductions in emissions from the North America industrial/power and developing Asia domestic fuel burning sectors. Sulfate reductions dominate the first case, for which intermodel variations in the sulfate (or total) aerosol optical depth (AOD) responses are ~30% and the modeled spatial patterns of the AOD reductions are highly correlated (R=0.9). Decreases in BC dominate the developing Asia domestic fuel burning case, and show substantially greater model-to-model differences. Intermodel variations in tropospheric ozone burden changes are also large, though aerosol changes dominate those cases with substantial net climate forcing. The results indicate that across-the-board emissions reductions in domestic fuel burning in developing Asia and in surface transportation in North America are likely to offer the greatest potential for substantial, simultaneous improvement in local air quality and near-term mitigation of global climate change via short-lived species. Conversely, reductions in industrial/power emissions have the potential to accelerate near-term warming, though they would improve AQ and have a long-term cooling effect on climate. These broad conclusions appear robust to intermodel differences. 2008-12 published European Geosciences Union (EGU) 10.5194/acp-8-7101-2008 XJ-08-165 Atmospheric Chemistry and Physics; 8(23):7101-7113 (8 December 2008) [doi:10.5194/acp-8-7101-2008] 15 55 public Atmospheric Chemistry and Physics 8 23 7101-7113 TRUE 1680-7324 FALSE info:eu-repo/semantics/article