ArticlePeerJ2020
Anthropocene geochemistry of metals in sediment cores from the Laurentian Great Lakes.
Article in PeerJ, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 40 citations in OpenAlex.
- Unveiling two millennia of ecosystem changes in the Azores through elementome trajectory analysis.Ecological indicators · 2025Article
- Karst-environments of the southeastern Yucatan Peninsula: Hotspots for modern freshwater microbialites.PloS one · 2025Article
- The recent diatom-based paleolimnology of Lake Michigan.Journal of paleolimnology · 2025Article
- Metallic elements and oxides and their relevance to Laurentian Great Lakes geochemistry.PeerJ · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Geochemical analyses applied to lake sedimentary records can reveal the history of pollution by metals and the effects of remedial efforts. Lakes provide ideal environments for geochemical studies because they have steady deposition of fine grained material suitable for fixation of pollutants. The Laurentian Great Lakes are the most studied system in this field, and they have well-preserved chronological profiles. To date, this important system has been considered in parts for inorganic geochemistry, hampering basin-wide conclusions regarding metal contamination. We filled spatial and temporal gaps in a comprehensive geochemical analysis of 11 sediment cores collected from all five Great Lakes. Hierarchical cluster analysis of all Great Lakes samples divided the metal analytes into five functional groups: (1) carbonate elements; (2) metals and oxides with diverse natural sources, including a subgroup of analytes known to be anthropogenically enriched (Cd, Pb, Sn, Zn, and Sb); (3) common crustal elements; (4) metals related to coal and nuclear power generation; and (5) all of the co-occurring rare earth elements. Two contamination indices (I
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Registered trials
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