globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069894
论文题名:
Analysis of long-term observations of NOx and CO in megacities and application to constraining emissions inventories
作者: Hassler B.; McDonald B.C.; Frost G.J.; Borbon A.; Carslaw D.C.; Civerolo K.; Granier C.; Monks P.S.; Monks S.; Parrish D.D.; Pollack I.B.; Rosenlof K.H.; Ryerson T.B.; von Schneidemesser E.; Trainer M.
刊名: Geophysical Research Letters
ISSN: 0094-8626
EISSN: 1944-8357
出版年: 2016
卷: 43, 期:18
起始页码: 9920
结束页码: 9930
语种: 英语
英文关键词: chemistry-climate models ; emissions ; inventories ; long-term trends ; megacities
Scopus关键词: Particulate emissions ; Skin ; Chemistry-climate models ; Emission inventories ; inventories ; Long term observations ; Long-term trend ; Megacities ; Motor vehicle emissions ; Regional differences ; Climate models
英文摘要: Long-term atmospheric NOx/CO enhancement ratios in megacities provide evaluations of emission inventories. A fuel-based emission inventory approach that diverges from conventional bottom-up inventory methods explains 1970–2015 trends in NOx/CO enhancement ratios in Los Angeles. Combining this comparison with similar measurements in other U.S. cities demonstrates that motor vehicle emissions controls were largely responsible for U.S. urban NOx/CO trends in the past half century. Differing NOx/CO enhancement ratio trends in U.S. and European cities over the past 25 years highlights alternative strategies for mitigating transportation emissions, reflecting Europe's increased use of light-duty diesel vehicles and correspondingly slower decreases in NOx emissions compared to the U.S. A global inventory widely used by global chemistry models fails to capture these long-term trends and regional differences in U.S. and Europe megacity NOx/CO enhancement ratios, possibly contributing to these models' inability to accurately reproduce observed long-term changes in tropospheric ozone. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84992437502&doi=10.1002%2f2016GL069894&partnerID=40&md5=131cd7dc3059572a6fa256ef8e7d0aea
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9589
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States

Recommended Citation:
Hassler B.,McDonald B.C.,Frost G.J.,et al. Analysis of long-term observations of NOx and CO in megacities and application to constraining emissions inventories[J]. Geophysical Research Letters,2016-01-01,43(18).
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