Effects of the flood of 1993 on the chemical characteristics of bed sediments in the Upper Mississippi River

被引：10

作者：

Moody, JA ^{[1
]}

Sullivan, JF ^{[1
]}

Taylor, HE ^{[1
]}

机构：

[1] US Geol Survey, Denver Fed Ctr, Lakewood, CO 80225 USA

来源：

WATER AIR AND SOIL POLLUTION | 2000年 / 117卷 / 1-4期

关键词：

bed-sediment; flood effects; inorganic pollutants; organic pollutants; river reservoirs;

D O I：

10.1023/A:1005143103441

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Concentrations of pollutants stored in the surficial bed sediments in the navigation pools of the Upper Mississippi River showed a general decrease after the record flood of 1993. Percent clay and total organic carbon in the surficial sediments decreased as a result of an increase in the proportion of coarser sediment. Decreases in pollutant concentration may have been a result of the dilution by coarser and relatively less polluted sediment that was mobilized and transported into the Upper Mississippi River from its tributaries or from mainstem locations upstream but outside of the sampling area.

引用

页码：329 / 351

页数：23

共 50 条

[1] Effects of the Flood of 1993 on the Chemical Characteristics of Bed Sediments in the Upper Mississippi River
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John F. Sullivan
Howard E. Taylor
[J]. Water, Air, and Soil Pollution, 2000, 117 : 329 - 351
[2] Impact of the 1993 flood on the distribution of organic contaminants in bed sediments of the Upper Mississippi River
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