Cited by 55Heavy metals in environmentWater Quality and Pollution AssessmentSoil erosion and sediment transport

Tracing the Sources of Suspended Sediment and Particle-Bound Trace Metal Elements in an Urban Catchment Coupling Elemental and Isotopic Geochemistry, and Fallout Radionuclides

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Froger, Claire, Ayrault, Sophie, Evrard, Olivier, Monvoisin, Gaël, Bordier, Louise, Lefèvre, Irène, Quantin, Cécile·2018·Environmental Science and Pollution Research

Abstract

The excessive supply of contaminants from urban areas to rivers during the last centuries has led to deleterious impacts on aquatic ecosystems. The sources, the behavior, and the dynamics of these contaminants must be better understood in order to reduce this excessive anthropogenic pollution. Accordingly, the current research investigated the particle-bound trace element (TE) contamination of the 900-km 2 Orge River (Seine basin, France) and the potential sources of these particles (agricultural or forest soils, channel banks, road deposited sediments), through the analysis of multiple fallout radionuclides, elemental geochemistry, and lead isotopic composition on suspended particulate matter (SPM) collected during a hydrological year at four stations following an increasing urbanization gradient (300 to 5000 inhab.km −2 ). Fallout radionuclide measurements showed an increasing contribution of recently eroded particles from urban areas to the SPM in downstream direction. However, this contribution varied depending on hydrological conditions. A greater contribution of particles originating from urban areas was observed during low stage periods. On the contrary, the contribution of agricultural soils and channel banks that are less enriched in contaminants and fallout radionuclides was higher during seasonal floods, which explained the dilution of radionuclide contents in sediment transiting the river during those events. Trace element contamination of SPM in Cu, Zn, Pb, and Sb increased from moderate to significant levels with urban pressure in downstream direction (with corresponding enrichment factors raising from 2 to 6). In addition, Pb isotopic ratios indicated that the main source of Pb corresponded to the “urban” signature found in road deposited sediments. The low variations in lead isotope ratios found in the SPM for contrasting hydrological conditions demonstrated the occurrence of a single source of Pb contamination. These results demonstrate the need to better manage urban runoff during both flood and low precipitation events to prevent the supply of diffuse particle-bound contamination to rivers draining urban areas.

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Research works printed but not linked: 2

  1. Gallego J, Sannier C, Pennec A (2016) Validation of Copernicus land monitoring services and area estimation. Seventh International Conference on Agricultural Statistics, Rome, Italy 26-28 October 2016. 10.1481/icasVII.2016.g42b · DOI
  2. SAGE Orge-Yvette (2011) Actualisation de l’état des lieux et du diagnostic. http://www.orge-yvette.fr

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Authors
Froger, C., Ayrault, S., Evrard, O., Monvoisin, G., Bordier, L., Lefèvre, I., & Quantin, C.
Affiliations
  • Université Paris-Sud (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Froger, Claire
Venue
Environmental Science and Pollution Research
Published
2018-08-10
Volume
25
Issue
28
Pages
28667-28681
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W2886701062
Cited by
55
References
62
Citations by year
2026: 3 · 2025: 2 · 2024: 8 · 2023: 7 · 2022: 10 · 2021: 4 · 2020: 12 · 2019: 6 · 2018: 3
FWCI
2.34
Type
journal article
Language
en
Open access
Locations
  • Environmental Science and Pollution Research (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • HAL (submittedVersion)
Funders
  • Université Paris-Sud
  • Université Paris-Saclay
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Environmental Science › Water Science and Technology › Water Quality and Pollution Assessment
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil erosion and sediment transport
Keywords
suspended particulate matter, urban watersheds, source apportionment, fallout radionuclides, lead isotopes, road sediment, urban-rural gradient, flood hydrology, urban runoff management, Seine River basin, copper, zinc, lead, antimony, agricultural soils, channel banks
MeSH terms
Agriculture, Environmental Monitoring, France, Isotopes, Lead, Metals, Radioactive Fallout, Radioisotopes, Urbanization, Water Pollutants, Chemical, Water Pollutants, Radioactive, Geologic Sediments, Rivers, Floods

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