1. 1) Yamaguchi, H., Shinagawa, M. and Seki, H. : Cutoffs, Hokkaido River Disaster Prevention Research Center, 1996.
2. 2) Machida, T. : Response of fluvial system to human impact on riverbed forms and material in the Mid-Arakawa, Central Japan: A preliminary discussion, Global Environment Engineering Research, Vol. 15, pp. 17-27, 2013.
3. 3) Aoki, T. and Ikeda, Y. : Fundamental study on river bed deformation near the changing point of river width, Proceedings of Annual Meeting of Kanto branch, JSCE, Vol. 32-2, pp. 111-112, 2005.
4. 4) Kenmochi, H., Tamura, H., Tanaka, H., Kayaba, Y. and Hayashi, T. : A study on the riverbed fluctuation after straightening of the Satetsu River, Report of Riverfront Japan Research Institute, Vol. 15, pp. 96-101, 2004.
5. 5) Shimizu, Y., Fujita, M. and Hirano, M. : Calculation of flow and bed deformation in compound channel with a series of vertical drop spillways, Annual Journal of Hydraulic Engineering, JSCE, Vol. 43, pp. 683-688.1999.