DOI: 10.1016/j.atmosenv.2017.08.064
Scopus记录号: 2-s2.0-85029439984
论文题名: Assessment of atmospheric trace metal deposition in urban environments using direct and indirect measurement methodology and contributions from wet and dry depositions
作者: Omrani M ; , Ruban V ; , Ruban G ; , Lamprea K
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2017
卷: 168 起始页码: 101
结束页码: 111
语种: 英语
英文关键词: Atmospheric deposition
; Observatory
; ONEVU
; Pollution
; Trace metals
; Urban environment
Scopus关键词: Air pollution
; Atmospheric chemistry
; Cadmium
; Catchments
; Deposition
; Housing
; Lead
; Meteorological problems
; Nickel
; Observatories
; Pollution
; Runoff
; Trace elements
; Urban planning
; Zinc
; Atmospheric contributions
; Atmospheric depositions
; Direct and indirect measurements
; Direct and indirect methods
; ONEVU
; Polyethylene containers
; Trace metal
; Urban environments
; Urban growth
; arsenic
; beryllium 7
; cadmium
; chromium
; cuprous ion
; lead
; nickel
; platinum
; polyethylene
; rain
; trace metal
; vanadium
; zinc ion
; assessment method
; atmospheric pollution
; concentration (composition)
; dry deposition
; measurement method
; observatory
; polymer
; trace metal
; urban area
; urban atmosphere
; wet deposition
; aerosol
; air pollution
; Article
; atmospheric deposition
; catchment
; dry deposition
; methodology
; particle size
; precipitation
; priority journal
; urban area
; watershed
; wet deposition
; France
; Loire Atlantique
; Nantes
; Pays de la Loire
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: Bulk Atmospheric Deposition (BAD), Wet Atmospheric Deposition (WAD) and Dry Atmospheric Deposition (DAD) were all measured within an urban residential area in Nantes (France) over a 9-month period (27 February - 10 December 2014). The objectives of this study were to compare 2 methods for measuring dry and wet atmospheric depositions in the urban environment (DAD and WAD: direct method; BAD and WAD: indirect one), and to characterize as well the variations and relative contributions of these depositions. Trace metals (As, Cd, Cr, Cu, Ni, Pt and V) were used to carry out these comparison and quantification. BAD was collected with two open polyethylene containers (72 × 54 × 21 cm), while WAD was collected by means of an automated rainwater collector and DAD was determined from both air measurements (recorded by an air sampler) and 7Be deposition velocities. The comparison based on a detailed evaluation of uncertainties showed a significant difference between the direct and indirect methods. Dry and wet depositions varied widely from one month to the next. Zn and Cu were the most abundant elements in both dry and wet depositions. The mean contribution of DAD to the bulk atmospheric deposition during this 9-month study was significant for Zn, Cu and V (about 25%) as well as for Pb (approx. 60%). For this relatively unpolluted urban residential catchment, the contribution of atmospheric deposition to global load at the catchment outlet was low, between 10% and 20% for Zn, Cu, V and Pb, 25% for Cr and about 30% for Ni. For other urban sites exhibiting high atmospheric pollution however, the atmospheric contribution to the global pollution load could be much greater. An accurate and representative estimation of DAD thus proves critical. © 2017 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82581
Appears in Collections: 气候变化事实与影响
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作者单位: IFSTTAR, GERS, EE, Bouguenais, France; IRSTV, FR CNRS 2488, Nantes Cedex 3, France; ComU.E. Bretagne Loire, France
Recommended Citation:
Omrani M,, Ruban V,, Ruban G,et al. Assessment of atmospheric trace metal deposition in urban environments using direct and indirect measurement methodology and contributions from wet and dry depositions[J]. Atmospheric Environment,2017-01-01,168