Identification of Urban Rainstorm Waterlogging Based on Multi-source Information Fusion:A Case Study in Futian District, ShenzhenZongjia Zhang, Fanyu Meng, Yiping Zeng, Junguo Liu, Diping Yuan, Simon Fong and Lili YangE3S Web Conf., 259 (2021) 01004DOI: https://doi.org/10.1051/e3sconf/202125901004