Vegetation behavior and its habitat region against flood flow in urban streams
- Authors
- Kim, J.-H.; Choi, I.-K.
- Issue Date
- Jun-2013
- Keywords
- Damaged; Flood flow; Habitat; Recovered; Stable; Swept away; Vegetation behavior
- Citation
- Journal of Engineering Science and Technology, v.8, no.3, pp 307 - 316
- Pages
- 10
- Journal Title
- Journal of Engineering Science and Technology
- Volume
- 8
- Number
- 3
- Start Page
- 307
- End Page
- 316
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/19866
- ISSN
- 1823-4690
- Abstract
- Hydraulic effects on the vegetation behavior and on its habitat region against flood flow in the urban streams were analysed in this paper. Vegetation behavior was classified into stable, recovered, damaged and swept away stages. Criteria between recovered and damaged status were determined by the bending angle of the aquatic plants. Aquatic plants whose bending angle is lower than 30~50 degree is recovered, but they were damaged and cannot be recovered when the bending angle is higher than 30~50 degree. Phragmites japonica was inhabited in the hydraulic condition of high Froude number which shows that it was inhabited in the upstream reaches. Phragmites communis was inhabited in the relatively low Froude number compared with Phragmites japonica. This shows that it was inhabited in the downstream reaches. Persicaria blumei was found in the relatively wide range of flow velocity and flow depth, which shows that it was inhabited in the middle and downstream reaches. Criterion on the vegetation behavior of Persicaria thunbergii was not clear, which implies that it may be affected by the flow turbulence rather than flow velocity and flow depth. © School of Engineering, Taylor's University.
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Collections - College of Engineering > School of Civil and Environmental Engineering, Urban Design and Studies > 1. Journal Articles
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