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The role of organic matter on the adsorption of mercury in sediments from Amazon lakes, Brazil
(Int Assoc Hydrological Sciences, 2006-01-01)
Gold has been exploited intensively in the Brazilian Amazon during the past 20 years, and the elemental mercury (Hg) used in amalgamating the gold has caused abnormal Hg concentrations in waterways. Since 1986 particular ...
The role of organic matter on the adsorption of mercury in sediments from Amazon lakes, Brazil
(Int Assoc Hydrological Sciences, 2006-01-01)
Gold has been exploited intensively in the Brazilian Amazon during the past 20 years, and the elemental mercury (Hg) used in amalgamating the gold has caused abnormal Hg concentrations in waterways. Since 1986 particular ...
The role of organic matter on the adsorption of mercury in sediments from Amazon lakes, Brazil
(2006-09-13)
Gold has been exploited intensively in the Brazilian Amazon during the past 20 years, and the elemental mercury (Hg) used in amalgamating the gold has caused abnormal Hg concentrations in waterways. Since 1986 particular ...
Comparison of spatial and temporal performance of two Regional Climate Models in the Amazon and La Plata river basins
(Elsevier Science Inc., 2021-03)
This study aims to present a comprehensive spatio-temporal performance analysis of two water balance variables, precipitation and evapotranspiration, simulated by two Regional Climate Models (RCM) multi-model ensembles. ...
Change detection applied on shorelines in the mouth of Amazon River
(2014-01-01)
The Brazilian Amazon Coastal Zone is marked by impressive discharge of sediment and freshwater influence by the mouth of the Amazon River. An extremely wide continental shelf characterizes this coast, rolling plains are ...
Assessment of different precipitation datasets and their impacts on the water balance of the Negro River basin
(Elsevier, 2011-07-11)
With the objective of understanding the potential and limitations of available precipitation products for hydrological studies, this paper compares six daily and sub-daily precipitation datasets and their impacts on the ...
On the relationship between reversal of the river stage (repiquetes), rainfall and low-level wind regimes over the western Amazon basin
(Elsevier, 2020-12)
Study region: The Amazonas River and its tributaries (Peru), where riparian farmers face hydro-logical events that put their lowland crops at high risk of production loss during the flood recession period. Study focus: ...
Mercury Redox Chemistry in the Negro River Basin, Amazon: The Role of Organic Matter and Solar Light
(Springer, 2010-03-01)
Pristine water bodies in the Negro River basin, Brazilian Amazon, show relatively high concentrations of mercury. These waters are characterized by acidic pH, low concentrations of suspended solids, and high amounts of ...
The influence of seasonalness on the structural characteristics of aquatic humic substances extracted from Negro River (Amazon state) waters: Interactions with Hg(II)
(2007-09-06)
In this work, humic substances were extracted from water samples collected monthly from the Negro River basin in the Amazon state (Brazil) to study their properties in the Amazonian environment and interactions with the ...
The influence of seasonalness on the structural characteristics of aquatic humic substances extracted from Negro River (Amazon state) waters: Interactions with Hg(II)
(2007-09-06)
In this work, humic substances were extracted from water samples collected monthly from the Negro River basin in the Amazon state (Brazil) to study their properties in the Amazonian environment and interactions with the ...