Fractionation of heavy metals and phosphorus in suspended sediments of the Yamuna river, India

被引：21
|
作者：
Chakrapani, GJ
Subramanian, V
机构：
[1] Department of Earth Sciences, Indian Institute of Technology
[2] School of Environmental Sciences, Jawaharlal Nehru University
来源：
ENVIRONMENTAL MONITORING AND ASSESSMENT | 1996年 / 43卷 / 02期
关键词：
geochemistry; metals; phosphorus; fractionation;
D O I：
10.1007/BF00398602
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The Yamuna river is the largest tributary of the Ganges river system. It originates in the Himalayas and flows through a varied geological terrain encompassing a large basin area. Metals Fe, Mn, Pb, Zn, Cu in different chemical fractions of suspended sediments such as exchangeable, carbonates, Fe-Mn oxides, organics and residual fractions were studied. Phosphorus associated with different chemical forms are discussed. The metals are mostly associated with residual fractions in the sediments followed by organics, Fe-Mn oxides, exchangeable and carbonates. Intensive use of chemical fertilizers and pesticides in agriculture in the basin affects the high inorganic phosphorus content in sediments.
引用
收藏
页码：117 / 124
页数：8
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