期刊
GEOPHYSICAL RESEARCH LETTERS
卷 43, 期 4, 页码 1718-1726出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/2015GL067137
关键词
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资金
- Partnerships for Innovation in Sustainable Energy Technologies (PISET) program, Energy Institute, University of Michigan, Ann Arbor, MI, USA
- NASA [NNX15AE34G]
- National Science Foundation
- NASA [803235, NNX15AE34G] Funding Source: Federal RePORTER
Secondary organic aerosol (SOA) plays a significant role in the Earth system by altering its radiative balance. Here we use an Earth system model coupled with an explicit SOA formation module to estimate the response of SOA concentrations to changes in climate, anthropogenic emissions, and human land use in the future. We find that climate change is the major driver for SOA change under the representative concentration pathways for the 8.5 future scenario. Climate change increases isoprene emission rate by 18% with the effect of temperature increases outweighing that of the CO2 inhibition effect. Annual mean global SOA mass is increased by 25% as a result of climate change. However, anthropogenic emissions and land use change decrease SOA. The net effect is that future global SOA burden in 2100 is nearly the same as that of the present day. The SOA concentrations over the Northern Hemisphere are predicted to decline in the future due to the control of sulfur emissions.
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