Spatial distribution of heavy metals in surficial sediments from Guanabara Bay: Rio de Janeiro, Brazil

JAB Neto, FX Gingele, T Leipe, I Brehme - Environmental geology, 2006 - Springer
Ninety-two surface sediment samples were collected in Guanabara Bay, one of the most
prominent urban bays in SE Brazil, to investigate the spatial distribution of anthropogenic …

Changes in the sedimentary organic carbon pool of a fertilized tropical estuary, Guanabara Bay, Brazil: an elemental, isotopic and molecular marker approach

RS Carreira, ALR Wagener, JW Readman, TW Fileman… - Marine Chemistry, 2002 - Elsevier
Sediments from Guanabara Bay, sampled as short-cores (50–60 cm) from eight stations,
were analysed for the elemental (C and N), isotopic (δ13C and δ15N) and molecular …

Heavy metals and methylmercury in a tropical coastal estuary and a mangrove in Brazil

HA Kehrig, FN Pinto, I Moreira, O Malm - Organic Geochemistry, 2003 - Elsevier
Concentrations of mercury, lead, zinc, iron, chromium, cadmium and copper were
determined in sediment profiles from Jequiá mangrove, a polluted region of Guanabara Bay …

Radionuclides as tracers of coastal processes in Brazil: review, synthesis, and perspectives

IR Santos, WC Burnett, JM Godoy - Brazilian Journal of …, 2008 - SciELO Brasil
We review the usefulness, limitations, significance, and coastal management implications of
radionuclide measurements in Brazilian coastal environments. We focus on the use of …

Sterols as markers of sewage contamination in a tropical urban estuary (Guanabara Bay, Brazil): space–time variations

RS Carreira, ALR Wagener, JW Readman - Estuarine, Coastal and Shelf …, 2004 - Elsevier
Guanabara Bay, located adjacent to Rio de Janeiro in Brazil, is highly contaminated by
substances derived from domestic and industrial effluents as well as from agricultural runoff …

Mercury, zinc, and copper accumulation in mangrove sediments surrounding a large landfill in southeast Brazil

W Machado, M Moscatelli, LG Rezende… - Environmental …, 2002 - Elsevier
The accumulation of Hg, Zn, and Cu was evaluated in mangrove sediments located between
a large, 20-years-old landfill and waters of Guanabara Bay (southeast Brazil). The …

[HTML][HTML] Distribuição de metais pesados em sedimentos do sistema estuarino da Ilha de Vitória-ES

HC Jesus, EA Costa, ASF Mendonça, E Zandonade - Química Nova, 2004 - SciELO Brasil
Heavy-metal concentration in sediment is an important parameter for identifying pollution
sources and assessing pollution levels in aquatic ecosystems. In this context, the present …

A strong CO sink enhanced by eutrophication in a tropical coastal embayment (Guanabara Bay, Rio de Janeiro, Brazil)

LC Cotovicz Jr, BA Knoppers, N Brandini… - …, 2015 - bg.copernicus.org
In contrast to its small surface area, the coastal zone plays a disproportionate role in the
global carbon cycle. Carbon production, transformation, emission and burial rates at the …

[HTML][HTML] Distribuição de mercúrio total como indicador de poluição urbana e industrial na costa brasileira

RV Marins, FJ Paula Filho, SRR Maia, LD Lacerda… - Química …, 2004 - SciELO Brasil
The monitoring of the pollution status of the Brazilian coast is hampered by the lack of a
consistent environmental indicator. We propose Hg as an environmental proxy to …

Total and methylmercury in a Brazilian estuary, Rio de Janeiro

HA Kehrig, M Costa, I Moreira, O Malm - Marine Pollution Bulletin, 2002 - Elsevier
Guanabara Bay, in Rio de Janeiro state, is impacted by organic matter, oil and heavy metals.
The present study evaluated the total mercury (THg) and methylmercury (MeHg) …