气候变化领域集成服务门户(CCPortal): High resolution spatial mapping of element concentrations in PM10: A powerful tool for localization of emission sources

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DOI	10.1016/j.atmosres.2020.105060
	High resolution spatial mapping of element concentrations in PM10: A powerful tool for localization of emission sources
	Massimi L.; Ristorini M.; Astolfi M.L.; Perrino C.; Canepari S.
发表日期	2020
ISSN	0169-8095
卷号	244
英文摘要	A very-low volume sampler of particulate matter (PM) on membrane filters, recently developed with the purpose of allowing spatially-resolved determination of PM and of its chemical components, was employed from December 2016 to February 2018 in a wide and dense monitoring network across Terni, an urban and industrial hot-spot of Central Italy (23 sampling sites, about 1 km between each other). Terni basin can be considered as an open air laboratory for studying the spatial distribution of PM, as it includes several spatially disaggregated sources. PM10 samples were chemically characterized for the water-soluble and insoluble fraction of 33 elements (Al, As, Ba, Bi, Ca, Cd, Ce, Co, Cr, Cs, Cu, Fe, Ga, K, La, Li, Mg, Mn, Mo, Na, Nb, Ni, Pb, Rb, Sb, Sn, Sr, Ti, Tl, U, W, Zn, Zr). Spatial variability of the element concentrations across Terni was then mapped by using the ordinary kriging interpolation method. Spatial distribution of the analyzed elements successfully traced the various PM10 sources. In particular, the spatial mapping of Ba (water-soluble fraction), Bi, Cu, Sb, Sn and Zr (insoluble fraction) traced PM10 emission from the rail network and vehicular traffic, Ce, Cs, La, Li, Rb, Sr and U (insoluble fraction) traced soil resuspension, Cd, Cs, K, Rb and Tl (water-soluble fraction) biomass burning and Co, Cr, Mn, Nb, Ni, Pb (insoluble fraction), As, Cr, Ga, Li, Mo, Mn, W and Zn (water-soluble fraction) the steel industry pole. Principal component analysis was performed on the spatially-resolved chemical data to cluster the elements tracing the main PM10 sources. The winter and summer size distribution of the water-soluble and insoluble elements was analyzed to verify their link with the emission sources. The proposed experimental approach promises to be very effective for the assessment of population exposure to different PM10 sources. © 2020 Elsevier B.V.
英文关键词	Chemical fractionation; PM10 element; Seasonal variation; Size distribution; Source tracer; Spatial variability
语种	英语
scopus关键词	Aluminum coated steel; Chemical analysis; Interpolation; Principal component analysis; Size distribution; Spatial distribution; Steelmaking; Urban growth; Chemical component; Element concentrations; Experimental approaches; Particulate Matter; Population exposure; Spatial variability; Spatially resolved; Water soluble fraction; Manganese removal (water treatment); concentration (composition); fractionation; mapping; particulate matter; pollutant source; seasonal variation; size distribution; spatial distribution; tracer; Italy; Terni; Umbria
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/141850
作者单位	Department of Chemistry, Sapienza University of Rome, P. le Aldo Moro, 5, Rome, 00185, Italy; Department of Bioscience and Territory, University of Molise, Pesche, IS 86090, Italy; C.N.R. Institute of Atmospheric Pollution Research, Via Salaria, Km 29,300, Monterotondo, St. (Rome) 00015, Italy
推荐引用方式 GB/T 7714	Massimi L.,Ristorini M.,Astolfi M.L.,et al. High resolution spatial mapping of element concentrations in PM10: A powerful tool for localization of emission sources[J],2020,244.
APA	Massimi L.,Ristorini M.,Astolfi M.L.,Perrino C.,&Canepari S..(2020).High resolution spatial mapping of element concentrations in PM10: A powerful tool for localization of emission sources.Atmospheric Research,244.
MLA	Massimi L.,et al."High resolution spatial mapping of element concentrations in PM10: A powerful tool for localization of emission sources".Atmospheric Research 244(2020).