DOI: 10.1016/j.atmosenv.2014.04.044
Scopus记录号: 2-s2.0-84899810170
论文题名: Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region
作者: Prabhakar G ; , Sorooshian A ; , Toffol E ; , Arellano A ; F ; , Betterton E ; A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 92 起始页码: 339
结束页码: 347
语种: 英语
英文关键词: Aerosol
; Arizona
; Arsenic
; Desert
; Dust
; Lead
Scopus关键词: Aerosols
; Arid regions
; Arsenic
; Dust
; Lead
; Urban growth
; Anthropogenic activity
; Anthropogenic emissions
; Arizona
; Desert
; Interagency monitoring of protected visual environments
; Meteorological condition
; Spatiotemporal distributions
; Temporal concentrations
; Smelting
; aluminum
; calcium ion
; chromium
; copper
; ferrous ion
; lead
; manganese
; metal
; metalloid
; nickel
; rubidium ion
; silicon dioxide
; strontium
; titanium
; zinc
; airborne particle
; article
; autumn
; combustion
; dust
; exhaust gas
; meteorology
; mining
; priority journal
; reduction
; smelter
; spatiotemporal analysis
; summer
; winter
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
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. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81219
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Atmospheric Sciences, University of Arizona, PO Box 210081, Tucson, AZ 85721, United States; Department of Chemical and Environmental Engineering, University of Arizona, PO Box 210011, Tucson, AZ 85721, United States
Recommended Citation:
Prabhakar G,, Sorooshian A,, Toffol E,et al. Spatiotemporal distribution of airborne particulate metals and metalloids in a populated arid region[J]. Atmospheric Environment,2014-01-01,92