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Issue 13 (4) 2014 pp. 95–108

Tomasz Kałuża, Paweł Zawadzki, Natalia Walczak, Mateusz Hämmerling

Poznań University of Life Sciences

DELAY IN THE FLOW OF PLANT DEBRIS ON FLOODPLAINS OVERGROWN WITH SHRUB VEGETATION

Keywords: plant debris, floodplains, shrub vegetation
Abstract:

The study aims to analyze the statistical probability of the slowing down of the plant debris flow through an area rich in shrub vegetation during floods. The shrub density has a direct influence on water velocity. The study was conducted in a 2-meter section of an artificial hydraulic flume. 15 tests were made for each of the different-shaped elements. The artificial elements used were either rectangular or elliptical in shape. Tests were conducted for three different spacings of cylindrical elements imitating the shrub vegetation and for three different depths of the hydraulic flume. Analysis of the test results leads to the conclusion that an increase in the density of cylindrical elements does not always cause an increase in the flow time of plant debris. The study also shows that an increase in the water depth causes an increase in the flow time of elements imitating the thick debris, which is due to a decrease in the water flow velocity. The study also presents an analysis of the probability of plant debris being detained by the cylindrical elements imitating the shrubs. This probability was observed to be higher for rectangular than elliptical elements. It was also observed to be inversely proportional to the water depth. The obtained results indicate that the subject matter of the current study is very interesting and complex and merits further investigation.

pub/13_4_95.pdf Full text available in in Adobe Acrobat format:
http://www.formatiocircumiectus.actapol.net/volume13/issue4/13_4_95.pdf

For citation:

MLA Kałuża, Tomasz, et al. "DELAY IN THE FLOW OF PLANT DEBRIS ON FLOODPLAINS OVERGROWN WITH SHRUB VEGETATION." Acta Sci.Pol. Form. Cir. 13.4 (2014): 95–108.
APA (2014). . Acta Sci.Pol. Form. Cir. 13 (4), 95–108
ISO 690 KAłUżA, Tomasz, et al. DELAY IN THE FLOW OF PLANT DEBRIS ON FLOODPLAINS OVERGROWN WITH SHRUB VEGETATION. Acta Sci.Pol. Form. Cir., 2014, 13.4: 95–108.
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Streszczenie w języku polskim:
http://www.formatiocircumiectus.actapol.net/tom13/zeszyt4/abstrakt-95.html