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PM(2.5) source profiles for black and organic carbon emission inventories
Chow, JC (Chow, Judith C.)[1,2]; Watson, JG (Watson, John G.)[1,2]; Lowenthal, DH (Lowenthal, Douglas H.)[1]; Chen, LWA (Chen, L. -W. Antony)[1]; Motallebi, N (Motallebi, Nehzat)[3]
2011-10-30
Source PublicationATMOSPHERIC ENVIRONMENT
Volume45Issue:31Pages:5407-5414
Subtype期刊论文
Abstract

Emission inventories for black or elemental (BC or EC) and organic (OC) carbon can be derived by multiplying PM(2.5) emission estimates by mass fractions of these species in representative source profiles. This study examines the variability of source profiles and its effect on EC emission estimates. An examination of available profiles shows that EC and OC ranged from 6-13% and 35-40% for agricultural burning, 4-33% and 22-68% for residential wood combustion, 6-38% and 24-75% for on-road gasoline vehicles, and 33-74% and 20-47% for on-road heavy-duty diesel vehicles, respectively. Source profiles from the U.S. EPA SPECIATE data base were applied to PM(2.5) emissions from the U.S. EPA National Emissions Inventory for 2005. The total estimated EC emissions of 432 Gg yr(-1) was apportioned as 42.5% from biomass burning, 35.4% from non-road mobile sources, 15% from on-road mobile sources, 5.4% from fossil fuel (e.g., coal, oil, and natural gas) combustion in stationary sources, 1% from other stationary industrial sources, and 0.5% from fugitive dust. Considering the variability in available source profiles, BC emission estimates for major sources such as open fires and non-road diesels ranged from 42 to 133 (a factor of 3) and 25 to 100 (a factor of 4) Gg yr(-1), respectively. The choice of source profiles can be a major source of uncertainty in national and global BC/EC emission inventories.

KeywordSource profile Emission inventory PM2.5 Black carbon Elemental carbon Organic carbon Climate
DOI10.1016/j.atmosenv.2011.07.011
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10287
Collection粉尘与环境研究室
Corresponding AuthorChow, JC (Chow, Judith C.)[1,2]
Affiliation1.Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA;
2.Institute of Earth Environment, Chinese Academy of Sciences, 10 Fenghui South Road, Xi’an High-Tech Zone, Xi’an 710075, China;
3.California Air Resources Board, 1001 “I” Street, Sacramento, CA 95812, USA
Recommended Citation
GB/T 7714
Chow, JC ,Watson, JG ,Lowenthal, DH ,et al. PM(2.5) source profiles for black and organic carbon emission inventories[J]. ATMOSPHERIC ENVIRONMENT,2011,45(31):5407-5414.
APA Chow, JC ,Watson, JG ,Lowenthal, DH ,Chen, LWA ,&Motallebi, N .(2011).PM(2.5) source profiles for black and organic carbon emission inventories.ATMOSPHERIC ENVIRONMENT,45(31),5407-5414.
MLA Chow, JC ,et al."PM(2.5) source profiles for black and organic carbon emission inventories".ATMOSPHERIC ENVIRONMENT 45.31(2011):5407-5414.
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