Analysis of Water Cycle in Weizhou Island of Beihai City, Guangxi Province, Part II: Study On Groundwater Exploitation PlanShunfu Zhang, Changjun Liu, Chuanke Li, Sili Long, Jian Zhou and Qiyi ZhangMATEC Web Conf., 246 (2018) 02047DOI: https://doi.org/10.1051/matecconf/201824602047