Hydrogeological Investigation and Parameter Analysis of Floodplain Area in the Reaches of the Yangtze RiverXia Pengju, Zhang Lei, Liang Yuqiang, Li Yandong, Shao Hailong and Song XiangdongE3S Web Conf., 136 (2019) 05006DOI: https://doi.org/10.1051/e3sconf/201913605006