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3786425 
Journal Article 
Distribution and partition of total mercury in waters of the Tapajos River Basin, Brazilian Amazon 
Roulet, M; Lucotte, M; Canuel, R; Rheault, I; Tran, S; Gog, YGD; Farella, N; Do Vale, RS; Passos, CJS; da Silva, ED; Mergler, D; Amorim, M 
1998 
1 
Science of the Total Environment
ISSN: 0048-9697
EISSN: 1879-1026 
213 
1-3 
203-211 
WOS:000074162000023 
Filtered water and particulate burdens of Hg (0.43–2.81 ng/l and 0.28–13.13 ng/l, respectively) in the Tapajós River (Brazilian Amazon) are one order of magnitude lower than previously reported concentrations in Amazonian waters. Hg content in the water column is influenced by the amount of particulate matter and is independent from upstream goldmining activities. The particulate load of Hg in the river is attributable to sedimentation patterns in relation to physiography of the river. We contend that the particulate Hg in the river and its tributaries is strongly influenced by fine particles eroded from pertubated soils in the river catchment. 
filtered water; particulate burdens; Tapajos River 
IRIS
• Methylmercury
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