Dynamic Manning's Roughness Coefficients for Hydrological Model in Basin

Zheng Zhou1, Aizhong Ye1, Xiaoxue Deng2, Feng Ma2 and Qingyun Duan3, (1)Beijing Normal University, Beijing, China, (2)Beijing Normal University College of Global Change and Earth System Science, Beijing, China, (3)Hohai University, Nanjing, China