Arid
DOI10.1016/j.atmosenv.2014.04.044
Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region
Prabhakar, Gouri1; Sorooshian, Armin1,2; Toffol, Emily2; Arellano, Avelino F.1; Betterton, Eric A.1
通讯作者Sorooshian, Armin
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2014
卷号92页码:339-347
英文摘要

A statistical analysis of data from the Interagency Monitoring of Protected Visual Environments (IMPROVE) network of aerosol samplers has been used to study the spatial and temporal concentration trends in airborne particulate metals and metalloids for southern Arizona. The study region is a rapidly growing area in southwestern North America characterized by high fine soil concentrations (among the highest in the United States), anthropogenic emissions from an area within the fastest growing region in the United States, and a high density of active and abandoned mining sites. Crustal tracers in the region are most abundant in the summer (April-June) followed by fall (October-November) as a result of dry meteorological conditions which favor dust emissions from natural and anthropogenic activity. A distinct day-of-week cycle is evident for crustal tracer mass concentrations, with the greatest amplitude evident in urban areas. There have been significant reductions since 1988 in the concentrations of toxic species that are typically associated with smelting and mining. Periods with high fine soil concentrations coincide with higher concentrations of metals and metalloids in the atmosphere, with the enhancement being higher at urban sites. (C) 2014 Elsevier Ltd. All rights reserved.


英文关键词Desert Aerosol Arizona Arsenic Lead Dust
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000338810800035
WOS关键词UNITED-STATES ; MINE TAILINGS ; HEAVY-METALS ; TRACE-METALS ; AEROSOL ; CHEMISTRY ; PATTERNS ; ARIZONA ; FRACTIONATION ; ENVIRONMENT
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180936
作者单位1.Univ Arizona, Dept Atmospher Sci, Tucson, AZ 85721 USA;
2.Univ Arizona, Dept Chem & Environm Engn, Tucson, AZ 85721 USA
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Prabhakar, Gouri,Sorooshian, Armin,Toffol, Emily,et al. Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region[J]. University of Arizona,2014,92:339-347.
APA Prabhakar, Gouri,Sorooshian, Armin,Toffol, Emily,Arellano, Avelino F.,&Betterton, Eric A..(2014).Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region.ATMOSPHERIC ENVIRONMENT,92,339-347.
MLA Prabhakar, Gouri,et al."Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region".ATMOSPHERIC ENVIRONMENT 92(2014):339-347.
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