globalchange  > 影响、适应和脆弱性
DOI: 10.1002/jgrd.50490
论文题名:
Pollutant transport among California regions
作者: Angevine W.M.; Brioude J.; McKeen S.; Holloway J.S.; Lerner B.M.; Goldstein A.H.; Guha A.; Andrews A.; Nowak J.B.; Evan S.; Fischer M.L.; Gilman J.B.; Bon D.
刊名: Journal of Geophysical Research Atmospheres
ISSN: 21698996
出版年: 2013
卷: 118, 期:12
起始页码: 6750
结束页码: 6763
语种: 英语
英文关键词: Agricultural emissions ; California ; FLEXPART ; Lagrangian Particle Dispersion Model (LPDM) ; Tracer transport ; WRF
Scopus关键词: Agriculture ; Air quality ; Carbon monoxide ; Climate change ; Particles (particulate matter) ; Pollution ; Agricultural emissions ; California ; FLEXPART ; Lagrangian particle dispersion model ; Tracer transport ; WRF ; Landforms ; air quality ; bay ; climate change ; dispersion ; emission ; Lagrangian analysis ; mixing ratio ; pollutant transport ; simulation ; trace element ; California ; San Francisco Bay ; United States
英文摘要: Several regions within California have significant air quality issues. Transport of pollutants emitted in one region to another region may add to the impact of local emissions. In this work, Lagrangian particle dispersion model simulations show the amounts of tracers that are transported within and among four regions, Southern California, the San Francisco Bay Area, the Central Valley, and the rest of the state. The simulations cover May and June of 2010, the California Research at the Nexus of Air Quality and Climate Change experiment period. Tracers of automobile emissions and one type of agricultural emission are used. Tracer mixing ratios are compared to airborne and ground-based measurements. The age of tracers in each location is also presented. Vertical profiles and diurnal cycles help to clarify the transport process. As is well known, Southern California emissions are transported to the east and affect the desert areas, and Bay Area automobile emissions are an important source of pollutants in the San Joaquin Valley. A novel result is that the Southern California Bight is filled with a mixture of well-aged carbon monoxide tracer from Southern California and the Bay Area. Air over the Bight is also affected by the agricultural emissions represented by the agricultural tracer, dominantly from the Central Valley where its sources are largest. There is no indication of transport from Southern California to the Central Valley. Emissions from the Central Valley do make their way to Southern California, as shown by the agricultural tracer, but automobile emissions from the Valley are insignificant in Southern California. Key Points WRF/FLEXPART is used to describe transport patterns in California Tracer age (time since emission) is shown Southern California and the Bay Area influence air in the Southern California Bight © 2013. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/63634
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States; NOAA Earth System Research Laboratory, 325 Broadway, Boulder, CO 80305, United States; Department of Environmental Science, Policy and Management, University of California, Berkeley, CA, United States; Lawrence Berkeley National Laboratory, Berkeley, CA, United States; Colorado Department of Public Health and Environment, Denver, CO, United States

Recommended Citation:
Angevine W.M.,Brioude J.,McKeen S.,et al. Pollutant transport among California regions[J]. Journal of Geophysical Research Atmospheres,2013-01-01,118(12)
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