手取川における洪水前後の航空レーザ測量を用いた河道状況調査

抄録

This study was conducted to provide quantitative analysis on the change of the river bed due to the flood. The analysis was done by using the Airborn lider survey and other investigations which were done before and after the flood respectively. As a result, tendency of the erosion at the water route was quantitatively understood. Moreover, it is clarified that the tree height and the moments of the running water are affect on the generation of driftwood.