Atmospheric bulk deposition of PAHs onto France: trends from urban to remote sites

Atmospheric bulk deposition of PAHs onto France: trends from urban to remote sites Fifty-eight weekly samples of atmospheric bulk deposition (dry and wet) were collected in France at six specific sites over a year. Urban, semi-rural, rural and forested sites were chosen on a transverse from West to East at the Paris latitude. Seasonal variations are described, with winter time concentrations 2–3 times higher than summer ones due to an increase in fossil fuel consumption in winter. When temperature did not exceed 12°C, mean PAH concentrations varied from 221 ng l −1 in Paris to 25 ng l −1 at a rural site. About 50 km far from Paris, PAH concentrations decreased by two-thirds. Urban emissions have a local impact on the fallout contamination. Fluxes at the Paris site (from 157–1294 ng m −2 d −1 ) were from 2.5–6 times higher than in the rural and forested sites. In the latter sites, mean daily fluxes (50 ng m −2 d −1 ) were close to those of high European mountains, considered as background levels. In rural sites, without treatment plant sludge spreading, atmospheric deposition is the major source of PAH inputs to soils. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Atmospheric Environment Elsevier

Atmospheric bulk deposition of PAHs onto France: trends from urban to remote sites

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Publisher
Elsevier
Copyright
Copyright © 2002 Elsevier Science Ltd
ISSN
1352-2310
eISSN
1873-2844
D.O.I.
10.1016/S1352-2310(02)00414-4
Publisher site
See Article on Publisher Site

Abstract

Fifty-eight weekly samples of atmospheric bulk deposition (dry and wet) were collected in France at six specific sites over a year. Urban, semi-rural, rural and forested sites were chosen on a transverse from West to East at the Paris latitude. Seasonal variations are described, with winter time concentrations 2–3 times higher than summer ones due to an increase in fossil fuel consumption in winter. When temperature did not exceed 12°C, mean PAH concentrations varied from 221 ng l −1 in Paris to 25 ng l −1 at a rural site. About 50 km far from Paris, PAH concentrations decreased by two-thirds. Urban emissions have a local impact on the fallout contamination. Fluxes at the Paris site (from 157–1294 ng m −2 d −1 ) were from 2.5–6 times higher than in the rural and forested sites. In the latter sites, mean daily fluxes (50 ng m −2 d −1 ) were close to those of high European mountains, considered as background levels. In rural sites, without treatment plant sludge spreading, atmospheric deposition is the major source of PAH inputs to soils.

Journal

Atmospheric EnvironmentElsevier

Published: Nov 1, 2002

References

  • Persistent organic pollutants in snow from European high mountain areas
    Carrera, G; Fernandez, P; Vilanova, R.M; Grimalt, J.O
  • Modelling the behaviour of PAHS during atmospheric transport from UK to the Arctic
    Halsall, C.J; Sweetman, A.J; Barrie, L.A; Jones, K.C
  • The seasonal changes in the concentration of polycyclic aromatic hydrocarbons in precipitation and aerosol near Lake Balaton, Hungary
    Kiss, G; Varga-Puchony, Z; Tolnai, B; Varga, B; Gelencser, A; Krivácsy, Z; Hlavay, J
  • Polycyclic aromatic hydrocarbon deposition on the ice sheet of Greenland. Part I
    Masclet, P; Hoyau, V; Jaffrezo, J.L; Cachier, H
  • PAH fluctuations in rivers in the Paris region (France)
    Ollivon, D; Blanchard, M; Garban, B
  • Atmospheric deposition of PAHs to an urban site, Paris (France)
    Ollivon, D; Blanchoud, H; Motelay-Massei, A; Garban, B

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