The Influence of Element Diffusion at the Sediment-Water Interface on the Basic Chemical Composition of Overlying Water Mass in Lake Lugu, China

被引：0
|
作者：
吴丰昌
方国江
蔡玉蓉
机构：
来源：
Chinese Journal of Geochemistry | 1996年 / 03期
关键词：
diffusion; sediment-water interface; Lake Lugu; Yunnan Province;
D O I：
暂无
中图分类号：
P59 [地球化学];
学科分类号：
070902 ;
摘要：
Little work has been done on the influence of sediments on the basic chemical composition of overlying water mass. This paper deals with the vertical profile of the basic constituents such as Ca2 +, K +, Na+, and HCO3, as well as of pH in the overlying water mass and sediment porewater of Lake Lugu-a semi-closed, deep lake in Yunnan Province. The results revealed that those basic constituents may diffuse and transport from bottom sediments to overlying water mass through porewater. In the paper are also quantitatively evaluated the diffusive fluxes and the extent of their influence on overlying water mass, indicating that the lake sediment-water interface diffusion plays an important role in controling the basic chemical composition of water in the whole lake.
引用
收藏
页码：285 / 288
页数：4
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