2009.4-2010.3 Yearbook of NILIM
Research Summary
River Department
Reference Number | Y090303 |
Title | Estimation with quasi-2D flow calculation of river deformation after bed excavation |
Start-End Date | 2009.4-2010.3 |
Division | River Research Division |
Author | Head, Atsushi HATTORI Researcher, Yoshinori TAKEUCHI |
Summary | To confirm the applicability of river deformation estimating with quasi-2D non-uniform flow calculation, we investigate relationship of river actual variation and longitudinal profile of friction velocity ratio of after to before river bed excavation. In the result, reach-scale profile of the ratio gives acceptable agreements with actual river bed deformation after excavation. |