Buscar
Mostrando ítems 1-10 de 37
Investigating the migration of pollutants at Barreiro area, Minas Gerais State, Brazil, by the 210Pb chronological method
(2019-01-01)
Barreiro area at Araxá city, Minas Gerais State, Brazil, has been subjected to intense debate because of environmental pollution related to intense mining activities developed for the phosphate and niobium exploitation. ...
The constant flux and constant sedimentation (CF:CS) 210Pb chronological method applied to determine sedimentation rates at Amazon River watershed, Brazil
(2022-03-01)
Activity profiles of excess 210Pb determined in three sediment cores from Amazon River mouth, Amapá State, Brazil, provide the evaluation of sedimentation rates, contributing to a better knowledge of the hydrological ...
Tracking pollutants in selected Brazilian drainages from araxá city
(2020-01-01)
Sediments geochemical data from Araxá city, Minas Gerais State, Brazil, have provided new insights on the pollutants inputs in different drainage systems of Araxá city, Minas Gerais State, Brazil. The sediments profiles ...
Pb-210 and compositional data of sediments from Rondonian lakes, Madeira River basin, Brazil
(Elsevier B.V., 2015-05-01)
Gold exploration has been intensive in Brazilian Amazon over the last 40 years, where the use of mercury as an amalgam has caused abnormal Hg concentrations in water bodies. Special attention has been directed to Madeira ...
A comparative evaluation of the CF:CS and CRS models in Pb-210 chronological studies applied to hydrographic basins in Brazil
(Elsevier B.V., 2014-09-01)
The Constant Flux: Constant Sedimentation (CF:CS) and Constant Rate of Supply (CRS) of unsupported/excess Pb-210 models have been applied to a Pb-210 data set providing of eighteen sediments profiles sampled at four riverine ...
Pb-210 and composition data of near-surface sediments and interstitial waters evidencing anthropogenic inputs in Amazon River mouth, Macapa, Brazil
(Elsevier B.V., 2011-04-01)
Activity profiles of excess Pb-210 determined in three sediment cores from Amazon River mouth, Macapa city, Brazil, provided the evaluation of sedimentation rates, contributing to a better knowledge of the hydrological ...
Pb-210 and composition data of near-surface sediments and interstitial waters evidencing anthropogenic inputs in Amazon River mouth, Macapa, Brazil
(Elsevier B.V., 2011-04-01)
Activity profiles of excess Pb-210 determined in three sediment cores from Amazon River mouth, Macapa city, Brazil, provided the evaluation of sedimentation rates, contributing to a better knowledge of the hydrological ...