Cited by 32Heavy metals in environmentWater Quality and Pollution AssessmentThallium and Germanium Studies

Silver and Thallium Historical Trends in the Seine River Basin

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Ayrault, Sophie, Priadi, Cindy Rianti, Evrard, Olivier, Lefèvre, Irène, Bonté, Philippe·2010·Journal of Environmental Monitoring

Abstract

Records on pollution by metals of minor economic importance (e.g. silver and thallium) but which prove to be toxic are rarely documented in river sediment. This study used two sediment cores collected downstream of the Seine River to describe the temporal evolution of Ag and Tl concentrations in an urban catchment. Radionuclide analysis (i.e. Cs-137 and Pb-210) allowed dating sediment deposition within the cores (1933-2003). Ag concentration reached maximum values of 14.3-24.6 mg kg(-1) in the 1960s and 1970s, before gradually decreasing up to values which approximated 4 mg kg(-1) in 2003. In contrast, Tl concentrations remained roughly constant throughout the core (median value of 0.86 mg kg(-1)). Suspended solids was collected at upstream locations in the catchment to derive the background concentrations in Ag and Tl. Very high Ag concentrations were measured in the upstream Seine River sites (0.33-0.59 mg kg(-1)), compared to the values reported in the literature (0.055 mg kg(-1)). This suggests the presence of a widespread and ancient Ag pollution in the Seine River basin, as demonstrated by the very high Ag enrichment ratios recorded in the cores. Annual flux of particulate Ag in the Seine River was estimated at 1.7 t yr(-1) in 2003. In contrast, Tl concentrations remained in the same order of magnitude as the natural background signal (0.3-0.5 mg kg(-1)). This study suggests that the Seine River basin is free of Tl contamination. Future concerns should hence mostly rely on Ag contamination, in a context of increasing Ag uses and possible releases to the environment.

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Crossref · 10.1039/c0em00153h

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Authors
Ayrault, S., Priadi, C. R., Evrard, O., Lefèvre, I., & Bonté, P.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Ayrault, Sophie
Venue
Journal of Environmental Monitoring
Published
2010
Volume
12
Issue
11
Pages
2177
ISSN
  • 1464-0325 (ISSN-L)
  • 1464-0333
OpenAlex
W2020284287
Cited by
32
References
25
Citations by year
2026: 1 · 2024: 1 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 3 · 2018: 2 · 2017: 1 · 2015: 3 · 2014: 2 · 2013: 2 · 2012: 5
FWCI
3.14
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Journal of Environmental Monitoring (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
Funders
Agence Nationale de la Recherche (ANR-05-JCJC-0159)
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Environmental Science › Water Science and Technology › Water Quality and Pollution Assessment
  • Physical Sciences › Environmental Science › Pollution › Thallium and Germanium Studies
Keywords
thallium, Seine River basin, urban watersheds, historical trends, background concentrations, suspended solids, radiometric dating, cesium-137, lead-210, heavy metal contamination
MeSH terms
Environmental Monitoring, France, Silver, Thallium, Geologic Sediments, Rivers

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