1Overall ideas and countermeasures for the 15th Five-Year Plan for water security in the Pearl River basinWU XiaolongSpecial Focus4-92Ideas and countermeasures for enhancing the capacity of the flood control safety system during the 15th Five-Year Plan period under the changing environmentZHAO Zhongnan, CAO Xuejian, ZHAO Baoxu, CHEN KangSpecial Focus10-143Thoughts on urban flood disaster prevention and control in large cities in the new eraZHANG Jianyun, SONG Xiaomeng, HE RuiminForefront15-214Discussion on the difficulties and countermeasures of coordinating urban flood control and waterlogging managementMEI Chao, LIU Jiahong, WANG Jia, SONG Tianxu, ZHANG KehanForefront22-265Enhancing resilience to urban flooding and storm surge in the Guangdong-Hong Kong-Macao Greater Bay Area:innovative practices and perspectivesYANG Fang, ZHANG Yin, ZHANG Peng, SHE Dunxian, LI XudongForefront27-346Quantitative assessment and regulation of water resources spatial equilibrium based on hierarchical analysisYOU Jinjun, MA Zhenzhen, JIANG Yunzhong, WANG Ting, WANG Huining, LI NingboWater Resources Management35-407Research on the optimal allocation scheme of water resources in the area south of the Yangtze River in Anhui ProvinceLIN Xin, HUANG Jun, WANG WanWater Resources Management41-478Trend and control strategies of short-term heavy rainfall in typical watersheds of Zhejiang Province under climate changeCHEN Yuting, CHEN Xiaofei, ZHU XinchaoFlood and Drought Disaster Prevention48-569Research and application of key technologies for deep-buried long tunnels crossing active fault zones——a case study of the Shizishan Tunnel in the Central Yunnan Water Diversion ProjectOUYANG Lin, ZHANG Shiqiang, REN Hengqin, JIANG Jibin, JIACI Lamu, ZHAO LeiProject Construction and Operation57-6510Research on the current situation,problems,and countermeasures of small and medium-sized river management in Shandong ProvinceWEN Chuanlei, LYU Yan, GONG Yucheng, BAI Jie, GAO Chao, YANG XinProject Construction and Operation66-72 