Distribution and partition of total mercury in waters of the Tapajos River Basin, Brazilian Amazon

被引：98

作者：

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

机构：

[1] Univ Quebec, CRSNG, Chaire Rech Environm HQ, Montreal, PQ H3C 3P8, Canada

[2] Lab Biol Ambiental, Santarem, Brazil

[3] Univ Quebec, CIMBIOSE, Montreal, PQ H3C 3P8, Canada

[4] UFPA, Belem, Brazil

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 1998年 / 213卷 / 1-3期

关键词：

filtered water; particulate burdens; Tapajos River;

D O I：

10.1016/S0048-9697(98)00093-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Filtered water and particulate burdens of Hg (0.43-2.81 ng/l and 0.28-13.13 ng/l, respectively) in the Tapajos 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. (C) 1998 Elsevier Science B.V.

引用

页码：203 / 211

页数：9

共 20 条

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