In situ observation of the water-sediment interface in combined sewers, using endoscopy

被引：15

作者：

Oms, C

Gromaire, MC

Chebbo, G

机构：

[1] CEREVE, Ecole Natl Ponts & Chaussees, F-77455 Marne La Vallee 2, France

[2] Lebanese Univ, Sch Engn, Beirut, Lebanon

来源：

WATER SCIENCE AND TECHNOLOGY | 2003年 / 47卷 / 04期

关键词：

endoscope; organic solids; sewer sediment; urban pollution;

D O I：

10.2166/wst.2003.0209

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A new method for water-sediment interface observation has been designed. This system is based on a small diameter endoscope protected by a graduated plastic tube. It makes it possible to visualise in a non-destructive manner the sediments and the water-sediment interface. The endoscope was used to investigate Le Marais catchment (Paris): an immobile organic layer was observed at the water-sediment interface. This layer appears in pools of gross bed sediment, at the upstream of collectors, in zones where, velocity is slow and where bed shear stress is less than 0.03 N/m(2).

引用

页码：11 / 18

页数：8

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