Geochronology of Anthropogenic Contaminants in Aquatic Sediment Archives

Heim, Sabine; Schwarzbauer, Jan

doi:10.1007/978-94-007-2442-6_7

“…3), since radiological dating of the sediment layers in combination with quantitative chemical analyses reveals a detailed record of the riverine and lacustrine pollution histories for preserved particle-bound contaminants (e.g., Gevao et al 2000;Fox et al 2001;Heim et al 2006). A corresponding review has been recently published (Heim and Schwarzbauer 2013).…”

Section: Anthropogenic Organic Contaminationmentioning

confidence: 99%

Organic Matter in the Hydrosphere

Schwarzbauer¹

2020

Hydrocarbons, Oils and Lipids: Diversity, Origin, Chemistry and Fate

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Organic matter appears in all compartments of the hydrosphere of both natural and more and more anthropogenic origin. Aquatic organic matter exhibits a high structural diversity and corresponding physicochemical properties. Marine and terrestrial surface water bodies including their corresponding sediments as well as groundwater are affected by natural compounds of autochthonous origin from aquatic species, in particular from phyto-and zooplankton, and allochthonous material from terrestrial biota. Anthropogenic pollutants are released to aquatic ecosystems mainly as the result of municipal, industrial, and agricultural

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“…Ideally, sediments are reducing (anoxic) at the sediment/water interface and thereby support minimal post-depositional mobility. According to Heim & Schwarzbauer (2012), the Laurentian Great Lakes are the most studied system in lake geochemistry and they have well-preserved chronological profiles (Reavie et al, 2017). These studies reveal a history of contamination starting with European settlement around 1850 and increasing over the next century with increases in industry, forest fires, and the burning of fossil fuels, which supported increased flux of land-based and atmospheric pollutants to the lakes.…”

Section: Introductionmentioning

confidence: 97%

Peer Review #1 of "Metallic elements and oxides and their relevance to Laurentian Great Lakes geochemistry (v0.1)"

2020

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The Laurentian Great Lakes are the most studied system in lake geochemistry and have well-preserved chronological profiles. Metals play numerous critical roles in natural and anthropogenic characteristics of lake ecosystems, so patterns in the historical records of metals from sedimentary cores provide important information about environmental baselines and human impacts. Relevant studies of Great Lakes geochemistry are listed, and we follow with encyclopedic descriptions of metals and their oxides in the lakes. These descriptions include likely natural and anthropogenic sources of elements, their known history from previous paleoecological studies, and their status as potential contaminants of concern. Despite the well-studied geology of the Great Lakes catchment, sourcing elements was sometimes difficult due to materials often being moved long distances by glaciation and the global prevalence of atmospheric pollutants. We summarized available information on metals and their roles as geochemical indicators in the Great Lakes.

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“…Sediment cores can be collected and dated to reveal local geochemical histories. Metals are of particular interest because they record a history of pollution going back thousands of years (Heim & Schwarzbauer, 2012). In order to determine the historical extent of contamination caused by human activity, concentrations of potential pollutants must be compared to the baseline occurrences from natural sources (Alderton, 1985).…”

Section: Introductionmentioning

confidence: 99%

Metallic elements and oxides and their relevance to Laurentian Great Lakes geochemistry

Aliff¹,

Reavie²,

Post³

et al. 2020

PeerJ

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The Laurentian Great Lakes are the most studied system in lake geochemistry and have well-preserved chronological profiles. Metals play numerous critical roles in natural and anthropogenic characteristics of lake ecosystems, so patterns in the historical records of metals from sedimentary cores provide important information about environmental baselines and human impacts. Relevant studies of Great Lakes geochemistry are listed, and we follow with encyclopedic descriptions of metals and their oxides in the lakes. These descriptions include likely natural and anthropogenic sources of elements, their known history from previous paleoecological studies, and their status as potential contaminants of concern. Despite the well-studied geology of the Great Lakes catchment, sourcing elements was sometimes difficult due to materials often being moved long distances by glaciation and the global prevalence of atmospheric pollutants. We summarized available information on metals and their roles as geochemical indicators in the Great Lakes.

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Geochronology of Anthropogenic Contaminants in Aquatic Sediment Archives

Cited by 13 publications

References 189 publications

Organic Matter in the Hydrosphere

Organic Matter in the Hydrosphere

Peer Review #1 of "Metallic elements and oxides and their relevance to Laurentian Great Lakes geochemistry (v0.1)"

Metallic elements and oxides and their relevance to Laurentian Great Lakes geochemistry

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