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Flow roughness evaluation of mobile-bed streams

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Matousek V.

Infrastruktura i Ekologia Terenów Wiejskich

2010

nr 11

Recent field measurements of mobile-bed roughness in selected streams in Czech Republic are described. The results are collected in a database organized to a www catalogue. The field results of the bed roughness in two gravel-bed streams under flash flood conditions are discussed. A methodology is suggested for evaluation of the bed roughness of straight channels transporting sediments. A prediction of the bed roughness under the condition of intense sediment transport in the upper plane bed regime is demonstrated on the results of laboratory pressurized-pipe tests. An application to flood conditions in a steep mountain creek is shown in a case study.

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1 Infrastruktura i Ekologia Terenów Wiejskich

1 Matousek V.

1 2010

Wyniki wyszukiwania

Flow roughness evaluation of mobile-bed streams