期刊
GEOPHYSICAL RESEARCH LETTERS
卷 43, 期 7, 页码 3509-3518出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/2016GL068060
关键词
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资金
- NASA [NNX09AJ47G, NNX13AL12G, NNX15AE35G]
- DOE [DE-SC0007021]
- National Science Foundation's Graduate Research Fellowship Program [DGE-1321846]
- NeSI's collaborator institutions
- Ministry of Business, Innovation and Employment's Research Infrastructure Programme
- U.S. Department of Energy (DOE) [DE-SC0007021] Funding Source: U.S. Department of Energy (DOE)
- NASA [NNX09AJ47G, NNX13AL12G, 470336, NNX15AE35G, 803886, 114802] Funding Source: Federal RePORTER
The effect of future climate change on surface ozone over North America, Europe, and East Asia is evaluated using present-day (2000s) and future (2100s) hourly surface ozone simulated by four global models. Future climate follows RCP8.5, while methane and anthropogenic ozone precursors are fixed at year 2000 levels. Climate change shifts the seasonal surface ozone peak to earlier in the year and increases the amplitude of the annual cycle. Increases in mean summertime and high-percentile ozone are generally found in polluted environments, while decreases are found in clean environments. We propose that climate change augments the efficiency of precursor emissions to generate surface ozone in polluted regions, thus reducing precursor export to neighboring downwind locations. Even with constant biogenic emissions, climate change causes the largest ozone increases at high percentiles. In most cases, air quality extreme episodes become larger and contain higher ozone levels relative to the rest of the distribution.
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