1Work and achievements of flood prevention in the Yangtze River Basin in 2021Ma JianhuaSpecial Focus12-152Integrated regulation of water structures in the Yangtze River Basin in 2021Jin XingpingSpecial Focus16-193Creating a flood control mechanism of the Yangtze River for high-quality development in the new stageNiu Xinqiang, Hu Weizhong, Liu Jiaming, Xu XingyaSpecial Focus20-234Flood control and water storage of the Danjiangkou Reservoir in 2021Chen Guiya, Zheng Jing, Zhang XiaoSpecial Focus24-275Changes of relationship between rivers and lakes and its impact on flood and drought prevention in the Yangtze River Basin and measure studyHu Xiangyang, Liu Jiaming, Xu XingyaSpecial Focus28-30,236Ideas of capacity building for flood control engineering system in the Yangtze River BasinHu Weizhong, Wang Le, Liu JiamingSpecial Focus31-347Problems and countermeasures of northern cities waterlogging disaster using systematic thinkingLi Huian, Wang Na, Liu HongweiFlood and Drought Disaster Prevention35-388Overall solution for urban flood control and drainage under extreme rainfall and flood——taking Zhengzhou as an exampleFu Jian, Gao Xiaotao, Qiao MingyeFlood and Drought Disaster Prevention39-429Countermeasures for water disaster prevention and control in mega cities——taking Shenzhen as an exampleWang YanFlood and Drought Disaster Prevention43-4610Optimization of coordination mechanism for systematic management of river basinsLiu Changshun, Ju QianqianWater Resources Management47-4811Discussion on low-carbon water resources management to help peaking carbon dioxide emissions and neutralizationGuo Lei, Huang BaojunWater Resources Management49-50,4612Studies on water resources management and protection in chemical industry parks along the main stream of the Yangtze RiverWang Xiaojun, Zhang Jianyun, Liao Chuanhua, Sun Wei, Li YongliangWater Resources Management51-53,5713Strategic thinking of water resources security in the Guangdong-Hong Kong-Macao Greater Bay AreaChen Wenlong, Liu Wan'gen, Zhang Kang, Wang LingheWater Resources Management54-5714Establishing intelligent demonstration park for water-saving irrigation in Deqing of Zhejiang Province and pilot discussionHuang Jian, Liu BingjingRural Water and Hydropower60-61,64