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Scour at bridges, what's it all about? Stream stability and scour-assessment at bridges in Pennsylvania

Open-File Report 96-497

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Abstract

Scour is the removal of sediment (soil and rocks) from streambeds and streambanks caused by movingwater. Although scour may occur at any time, it is usually more significant during high flows, when the water is swift and deep. Swiftly movingwater has more energy (turbulence and velocity) to lift and transport sediment than slowly moving water.

Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Scour at bridges, what's it all about? Stream stability and scour-assessment at bridges in Pennsylvania
Series title:
Open-File Report
Series number:
96-497
Year Published:
1997
Language:
English
Publisher:
U.S. Geological Survey
Contributing office(s):
Pennsylvania Water Science Center
Description:
1 sheet :ill. ;22 x 28 cm. folded to 22 x 10 cm.