R. M. Pedreira

Publications6
h-index5
Citations134
Highly Influential Citations3
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The environmental impacts of one of the largest tailing dam failures worldwide
The impacts of the SAMARCO iron tailing spill along more than 650 km, between the dam and the plume of the Doce River in the Atlantic, were assessed by the determination of toxic metals. The tailing… Expand
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Trace and major elements distribution and transfer within a benthic system: polychaete Chaetopterus variopedatus, commensal crab Polyonyx gibbesi, worm tube, and sediments.
Samples of the polychaete Chaetopterus variopedatus, worm tubes, commensal crab Polyonyx gibbesi and sediments were collected in eight sites in Todos os Santos Bay, Brazil, in order to evaluate the… Expand
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Tracking hospital effluent-derived gadolinium in Atlantic coastal waters off Brazil.
The use of gadolinium (Gd) complexes as contrast agents in magnetic resonance imaging (MRI) has resulted in point source releases of anthropogenic Gd into the environment and presents the opportunity… Expand
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REE fractionation and human Gd footprint along the continuum between Paraguaçu River to coastal South Atlantic waters
Abstract In this study, we evaluated the fractionation of dissolved Rare Earth Elements (REE) from the continuum between the Paraguacu Estuary through Todos os Santos Bay (BTS), Bahia, Brazil and… Expand
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A tropical bay as a reference area defined by multiple lines of evidences.
References areas are sites that have undergone little or no anthropogenic impact and therefore represent the natural state of an environment. The objective of this study was to test if the Camamu Bay… Expand
  • 6
Distribution and fractionation of rare earth elements in sediments and mangrove soil profiles across an estuarine gradient.
Many hypotheses have been raised about the controls of the distribution and fractionation of the rare earth elements (REE) in coastal ecosystems. Here, REE were measured in estuarine sediments and in… Expand