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

C. Oms; M. C. Gromaire; G. Chebbo

doi:10.2166/wst.2003.0209

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

Research output: Contribution to journal › Article › peer-review

Abstract

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/m².

Original language	English
Pages (from-to)	11-18
Number of pages	8
Journal	Water Science and Technology
Volume	47
Issue number	4
DOIs	https://doi.org/10.2166/wst.2003.0209
Publication status	Published - 1 Jan 2003
Externally published	Yes

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10.2166/wst.2003.0209

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abstract = "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/m2.",

author = "C. Oms and Gromaire, \{M. C.\} and G. Chebbo",

year = "2003",

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AB - 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/m2.

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ER -

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

Abstract

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