IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 5: Environmental Hydraulics and Hydrology : H-adcp food routing and flow modeling for evaluation of flow conveyance capacity in a tree-vegetated...
H-adcp food routing and flow modeling for evaluation of flow conveyance capacity in a tree-vegetated river channel
Author : K. Michioku1, H. Miyamoto1, K. Kanda2, Y. Ohchi1, K. Aga1, J. Morioka1, T. Uotani2, K. Yoshida3, S. Yoshimura3
Although extensive research works have been performed on hydrodynamics of vegetated channels, little attention was paid on flow resistance mechanisms being dependent on submergedlevel of tree vegetations. The authors developed a 2-D two-layer model that can simulate flows not only through but also over the vegetation, which enables us to analyze all ranges of water level and vegetation height. A H-ADCP system was equipped in a river to measure a time-dependent velocity profile in span-wise direction. The H-ADCP data and information on tree destruction were collected from several flood events during 2009-2010, which were compared with the analytical solutions. The numerical solution was in good agreement with the observed flow fields and the destructed tree areas, respectively. The findings are to contribute to devise a proper and feasible river management strategy.
File Size : 3,564,265 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 5: Environmental Hydraulics and Hydrology
Date Published : 01/07/2011
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