Change in downstream bedform type, bed material sediment transport regime and flood potential in response to sediment blockage by a dam: can bed degradation increase flooding risk?


Hongbo Ma1, Jeffrey A Nittrouer2, Yuanfeng Zhang3, Xudong Fu4, Yuanjian Wang3, Andrew J Moodie5, Yanjun Wang6, Baosheng Wu7 and Gary Parker8, (1)Rice University, Earth, Environmental and Planetary Sciences, Houston, TX, United States, (2)Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, United States, (3)Yellow River Institute of Hydraulic Research, Zhengzhou, China, (4)Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Beijing, China, (5)Texas A&M University, Department of Geography, College Station, United States, (6)Tsinghua University, Hydraulic Engineering, Beijing, China, (7)Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Beijing, China, (8)University of Illinois at Urbana Champaign, Earth Science and Environmental Change & Civil and Environmental Engineering, Urbana, United States