lake water Articles
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Application of diffusive gradients in thin films and core centrifugation methods to determine inorganic mercury and monomethylmercury profiles in sediment pore water
A diffusive gradient in thin films (DGT) is an in situ sampling technique for the quantitative analysis of contaminant concentrations that is based on the diffusion and adsorption of contaminants onto resin gels. In the current study, a DGT technique was applied to measure total mercury (Hg) and monomethylmercury (MMHg) concentrations in lake and coastal sediment pore waters and to compare ...
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Evaluation of zebra mussels (Dreissena polymorpha) as biomonitors of mercury contamination in aquatic ecosystems
Zebra mussels have invaded many lakes in the United States and could be a useful tool for monitoring responses of aquatic biota to changes in mercury loading. The goal of the present study was to evaluate zebra mussels for use as a biomonitor of mercury contamination by comparing zebra mussel mercury concentrations between a lake with only indirect atmospheric mercury contamination (Otisco ...
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Total and methylmercury partitioning between colloids and true solution: From case studies in sediment overlying and pore waters to a generalized model
Tangential flow ultrafiltration was used to determine the partitioning of total mercury (THg) and monomethyl‐mercury (MMHg) between colloids and true solution in sediment overlying (OW) and pore waters (PW) collected in Lake Geneva (Switzerland/France), Venice lagoon (Italy), and Baihua reservoir (China). Overlying water and PW spanned different ranges of THg and MMHg concentrations, redox ...
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