Rainfall interpolation based on flood simulation in northren China Zhao Ran-hang, Zhou Lu, Li Hua-xing, Li Hong-tao, Qi Zhen, Qiu Ting and Gan Tian E3S Web Conf., 248 (2021) 03043 Published online: 12 April 2021 DOI: 10.1051/e3sconf/202124803043