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Isotopic composition of Zn and Pb atmospheric depositions in an urban/periurban area of northeastern France

Christophe Cloquet, Jean Carignan and Guy Libourel (2006) ENVIRONMENTAL SCIENCE & TECHNOLOGY. 40(21). p.6594-6600
abstract
Epiphytic lichens, ambient PM-10, and bus air-filter aerosols collected in a city and the surrounding area were used to monitor urban atmospheric metal deposition in the Metz area, NE France. According to the measured Pb and Zn concentrations, high-enrichment factors (EF) were calculated for lichens collected in 2001 and 2003, suggesting an anthropogenic origin for those metals. Pb and Zn concentrations in lichens and other samples are correlated, probably indicative of the level of pollution recorded. However, different trends and scatters in the relationship suggest decoupling of Zn and Pb sources in this area. The lead isotopic composition of lichens varies largely from downtown, near traffic roads and highways, to suburbs but indicate an overall stability of sources between 2001 and 2003, although some minor variations were noted. Remobilization of Pb from leaded gasoline is still significant. The Zn isotopic composition measured in all lichens yielded fairly homogeneous delta Zn-66 ranging from-0.2% to 0.5% relative to Zn-JMC solution. Most lichen samples are indistinguishable from urban aerosols (PM-10 and bus air filters, delta Zn-66 = 0.12 +/- 0.21%) and from flue gases from the city waste combustor (delta Zn-66 = 0.13 +/- 0.12%). No systematic variations of Zn EF and isotopic compositions were observed for and between 2001 and 2003 samples. Some lichens having unradiogenic Pb-206/Pb-207 ratios displayed high Zn and negative delta Zn-66, indicative of a possible traffic source for Zn. A review from the literature on the Zn isotopic composition of terrestrial materials is reported but a few reservoirs seem to have specific compositions. According to the actual precision obtained, Zn isotopes for tracing pollution sources might not be straightforward but might be potentially useful for specific studies.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
keyword
RATIO MEASUREMENT, LEAD, EPIPHYTIC LICHENS, INDUCTIVELY-COUPLED PLASMA, SOURCE-MASS-SPECTROMETRY, COLLECTOR ICP-MS, ZINC, CU, DISCRIMINATION, SWITZERLAND
journal title
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Environ. Sci. Technol.
volume
40
issue
21
pages
6594 - 6600
Web of Science type
Article
Web of Science id
000241628800018
JCR category
ENVIRONMENTAL SCIENCES
JCR impact factor
4.04 (2006)
JCR rank
4/143 (2006)
JCR quartile
1 (2006)
ISSN
0013-936X
DOI
10.1021/es0609654
language
English
UGent publication?
yes
classification
A1
id
514874
handle
http://hdl.handle.net/1854/LU-514874
date created
2009-03-05 16:16:36
date last changed
2009-03-06 11:30:04
@article{514874,
  abstract     = {Epiphytic lichens, ambient PM-10, and bus air-filter aerosols collected in a city and the surrounding area were used to monitor urban atmospheric metal deposition in the Metz area, NE France. According to the measured Pb and Zn concentrations, high-enrichment factors (EF) were calculated for lichens collected in 2001 and 2003, suggesting an anthropogenic origin for those metals. Pb and Zn concentrations in lichens and other samples are correlated, probably indicative of the level of pollution recorded. However, different trends and scatters in the relationship suggest decoupling of Zn and Pb sources in this area. The lead isotopic composition of lichens varies largely from downtown, near traffic roads and highways, to suburbs but indicate an overall stability of sources between 2001 and 2003, although some minor variations were noted. Remobilization of Pb from leaded gasoline is still significant. The Zn isotopic composition measured in all lichens yielded fairly homogeneous delta Zn-66 ranging from-0.2\% to 0.5\% relative to Zn-JMC solution. Most lichen samples are indistinguishable from urban aerosols (PM-10 and bus air filters, delta Zn-66 = 0.12 +/- 0.21\%) and from flue gases from the city waste combustor (delta Zn-66 = 0.13 +/- 0.12\%). No systematic variations of Zn EF and isotopic compositions were observed for and between 2001 and 2003 samples. Some lichens having unradiogenic Pb-206/Pb-207 ratios displayed high Zn and negative delta Zn-66, indicative of a possible traffic source for Zn. A review from the literature on the Zn isotopic composition of terrestrial materials is reported but a few reservoirs seem to have specific compositions. According to the actual precision obtained, Zn isotopes for tracing pollution sources might not be straightforward but might be potentially useful for specific studies.},
  author       = {Cloquet, Christophe and Carignan, Jean and Libourel, Guy},
  issn         = {0013-936X},
  journal      = {ENVIRONMENTAL SCIENCE \& TECHNOLOGY},
  keyword      = {RATIO MEASUREMENT,LEAD,EPIPHYTIC LICHENS,INDUCTIVELY-COUPLED PLASMA,SOURCE-MASS-SPECTROMETRY,COLLECTOR ICP-MS,ZINC,CU,DISCRIMINATION,SWITZERLAND},
  language     = {eng},
  number       = {21},
  pages        = {6594--6600},
  title        = {Isotopic composition of Zn and Pb atmospheric depositions in an urban/periurban area of northeastern France},
  url          = {http://dx.doi.org/10.1021/es0609654},
  volume       = {40},
  year         = {2006},
}

Chicago
Cloquet, Christophe, Jean Carignan, and Guy Libourel. 2006. “Isotopic Composition of Zn and Pb Atmospheric Depositions in an Urban/periurban Area of Northeastern France.” Environmental Science & Technology 40 (21): 6594–6600.
APA
Cloquet, C., Carignan, J., & Libourel, G. (2006). Isotopic composition of Zn and Pb atmospheric depositions in an urban/periurban area of northeastern France. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 40(21), 6594–6600.
Vancouver
1.
Cloquet C, Carignan J, Libourel G. Isotopic composition of Zn and Pb atmospheric depositions in an urban/periurban area of northeastern France. ENVIRONMENTAL SCIENCE & TECHNOLOGY. 2006;40(21):6594–600.
MLA
Cloquet, Christophe, Jean Carignan, and Guy Libourel. “Isotopic Composition of Zn and Pb Atmospheric Depositions in an Urban/periurban Area of Northeastern France.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 40.21 (2006): 6594–6600. Print.