Effects of Future Climate and Biogenic Emissions Changes on Surface Ozone over the United States and China

Jin-Tai Lin, Kenneth O Patten, Katharine Hayhoe, Xin-Zhong Lang, Donald J Wuebbles

Research output: Contribution to journalArticle

Abstract

Future projections of near-surface ozone concentrations depend on the climate/emissions scenario used to drive future simulations, the direct effects of the changing climate on the atmosphere, and the indirect effects of changing temperatures and CO2 levels on biogenic ozone precursor emissions. The authors investigate the influence of these factors on potential future changes in summertime daily 8-h maximum ozone over the United States and China by comparing Model for Ozone and Related Chemical Tracers, version 2.4, (MOZART-2.4) simulations for the period 1996–2000 with 2095–99, using climate projections from NCAR–Department of Energy Parallel Climate Model simulations driven by the Intergovernmental Panel on Climate Change Special Report on Emissions Scenarios A1fi (higher) and B1 (lower) emission scenarios, with corresponding changes in biogenic emissions. The effect of projected climate changes alone on surface ozone is generally less than 3 ppb over most regions. Regional ozone i
Original languageEnglish
Pages (from-to)1888-1909
JournalJournal of Applied Meteorology and Climatology
StatePublished - Jul 2008

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