Provenancing anthropogenic Pb within the fluvial environment: Developments and challenges in the use of Pb isotopes

G Bird - Environment international, 2011 - Elsevier
The potentially deleterious presence of ore-derived Pb within riverine environments has
been a long-term impact of industrial and anthropogenic activity in general. The surface …

Ecological quality status of the NE sector of the Guanabara Bay (Brazil): A case of living benthic foraminiferal resilience

MVA Martins, J Hohenegger, M Martínez-Colón… - Marine Pollution …, 2020 - Elsevier
The ecological quality status of the NE region of the Guanabara Bay (SE Brazil), one of the
most important Brazilian embayments, is evaluated. For this purpose, sediment samples …

Copper and lead isotope records from an electroplating activity in sediments and biota from Sepetiba Bay (southeastern Brazil)

H Jeong, DF Araújo, J Garnier, D Mulholland… - Marine Pollution …, 2023 - Elsevier
An old electroplating plant in Sepetiba Bay discharged metal-enriched wastes into the
surrounding mangroves for 30 years (from the 1960s to 1990s), resulting in a hotspot zone …

Ecological risks of trace metals in Guanabara Bay, Rio de Janeiro, Brazil: An index analysis approach

VM de Carvalho Aguiar, MN de Lima… - Ecotoxicology and …, 2016 - Elsevier
Abstract Total concentrations of Ni, Cr, Cu, Pb and Zn were determined in surface sediments
from 30 stations in Guanabara Bay in 1999 and 2008. An approach using various …

Environmental assessment concerning trace metals and ecological risks at Guanabara Bay, RJ, Brazil

VM de Carvalho Aguiar, PFF Abuchacra… - Environmental …, 2018 - Springer
Three-stage sequential extraction BCR was applied to surface sediments from the west part
of Guanabara Bay to assess the mobility of Zn, Cu, Pb, Ni, Cr, and Mn. Results were …

Geochemical fractionation of metals and semimetals in surface sediments from tropical impacted estuary (Guanabara Bay, Brazil)

RC Cordeiro, W Machado, RE Santelli… - Environmental Earth …, 2015 - Springer
A three-step sequential extraction procedure, which was based on the BCR method, was
used to analyse Guanabara Bay sediment samples to evaluate the potential mobility of …

Metal record of copper-based antifouling paints in sediment core following marina construction and operation

B Cunha, J Garnier, D Araújo, M Tonhá… - Marine Pollution …, 2024 - Elsevier
Marinas are central hubs of global maritime leisure and transport, yet their operations can
deteriorate the environmental quality of sediments. In response, this study investigated the …

In situ sea urchin carbonates analysis by LA-MC-ICP-MS to identify lead isotopic signatures: A case study at Trindade Island (South Atlantic Ocean versus …

IR Rodrigues, AC dos Santos, MVA Martins… - Regional Studies in …, 2023 - Elsevier
Isotope ratios of lead (Pb) are increasingly applied to trace pollution sources in marine
settings, using mostly carbonate remains of living organisms. However, this data has never …

Pb isotopic signatures in sediments of a sub-tropical coastal lagoon: Anthropogenic sources for metal contamination in the Sepetiba Bay (SE—Brazil)

BCA Cunha, D Rocha, MC Geraldes, SD Pereira… - Journal of Coastal …, 2009 - JSTOR
The Sepetiba Bay is a coastal lagoon separated from the ocean by beach barrier located 60
km from Rio de Janeiro city. Situated in the most important economic region in Brazil, the …

Tracing the sources of lead (Pb) in Brunei Bay, Borneo by using integrated spectrometry ICP-MS and chemometric techniques

G Adiana, H Juahir, B Joseph, NAM Shazili - Marine pollution bulletin, 2017 - Elsevier
The present study aims to define the possible sources that contribute to the level of Pb into
the Brunei Bay, Borneo. The cluster analysis has classified the bay into the northern part …