1Boosting innovation of dam engineering technologies to serve national key strategiesJiao YongSpecial Focus1-32Thoughts of promoting the construction of the water network in Chengdu-Chongqing regionJiang Dachuan, Zhao Zhongnan, He Qifeng, Han YihuaSpecial Focus4-63Accelerating modernization in the water field of Chongqing Municipality to boost Chengdu-Chongqing dual city economic circleLu FengSpecial Focus7-94Measure thinking for safeguarding water resources from the perspective of building a"Grain Warehouse"in SichuanQuan Yan, Bai ShaobinSpecial Focus10-125Studies on collaborative response model for flood and waterlogging disasters in Chengdu-Chongqing Urban AgglomerationLi Changwen, Shi Yijie, Liu Jiaming, He Zijie, Yu Yi, Huang Mei, Qian ZhushengSpecial Focus13-176Research on collaborative optimization and allocation of water resources in Northeast Sichuan-ChongqingZhou Yuqi, Li Bo, Zhao JianSpecial Focus18-227Ideas and strategies for water ecology security in the Chengdu-Chongqing regionZhang Yue, Deng Rui, Liu Zhen, Yuan Yujie, Liu Yangyang, Zhang YutongSpecial Focus23-268Practices and reflections on collaboration to promote river chief system for cross-border rivers between Sichuan and ChongqingFu Qihao, Li DasongSpecial Focus27-309Ecological and practice of urban river low water level operation in Guangzhou CityLi Ming, Chen Wenlong, Wu QiongForefront31-3510Exploration of Water-security-guarantee Oriented Development(WOD)modelZhang Jianhong, Wang Lei, Wu YouhongForefront36-3911Reflection on flood and drought disaster prevention in Shanghai from the perspective of the overall national security conceptLiu XiaotaoFlood and Drought Disaster Prevention40-4312Evaluations and prospects of flood control planning implementation in the Huaihe River Basin——a case study of Jiangsu ProvinceZhang Yi, He Xiaoguang, Zhu Dawei, Cao Mingkai, Zheng JunyuFlood and Drought Disaster Prevention44-4713Construction of a"one point,one policy"risk management system for water facilities in Ningbo CityJin Qiu, Jiang YutianFlood and Drought Disaster Prevention48-5014Considerations of building a mechanism of"defining city,land,population and production by water"Yang Yan, Xia Peng, Liang NingWater Resources Management51-5415Study on water balance measures in arid and semiarid regions from the perspective of"production-life-ecology spatial function integration"——a case study of Habahe County in XinjiangXu Yan, Deng Mingjiang, Bai Tao, Zhu Feng, Zhang Jie, Yang PengnianWater Resources Management55-5816Strategies and suggestions to enhance water security in the Four-Lake BasinSun Yuanyuan, Liu LunhuaWater Resources Management59-6217Study on the ideas and measures for the protection,inheritance and promotion of the Yellow River CultureQian Xi, Xu Tengfei, Tian Shimin, Li Junhua, Zhao HejingWater & Economy-Society63-6618Thoughts on applying the PPP model in the rural water supplyLi Lianxiang, Zhang Xianyu, Li Bo, Wen TongWater & Economy-Society67-6919Studies on evaluation and mechanism of river ecological value transformationChen Yuting, Chen Xiaofei, Yu HongjieWater & Economy-Society70-72 