1Accurately positioning the status and role of water resources in new development stageChen Maoshan, Xia Peng, Wang JianpingSpecial Focus4-6,132Adhere to systematic concept for promoting high quality water developmentWu Nongdi, Liu Dingxiang, Li JiaoSpecial Focus10-133Performance evaluation of river-lake chief system and its implicationsWang Guanjun, Liu Zhuo, Lang Maixian, Chen XiaoSpecial Issue of River Chief System and Lake Chief System15-184Strengthening supervision of river chief system implementation with informatizationGong HaijieSpecial Issue of River Chief System and Lake Chief System19-21,255New Practice of"Data Empowered River Chief System"in GuangzhouZhou Xinmin, Du DongyangSpecial Issue of River Chief System and Lake Chief System22-256Practice and achievements of"12345"river chief managing system in Guangzhou CityZhou Xinmin, Chen Xi, Mai Hua, Du DongyangSpecial Issue of River Chief System and Lake Chief System26-287Application of"Internet plus river chief system"in Guangzhou CityDu Dongyang, Zhou XinminSpecial Issue of River Chief System and Lake Chief System33-35,508Research on deepening and expanding the function of Guangzhou river chief management information systemZou Hao, Du DongyangSpecial Issue of River Chief System and Lake Chief System36-389Guangzhou to enhance performance of local river chiefs with cartoon imageLi Jingbo, Huang Yuyang, Lai BixianSpecial Issue of River Chief System and Lake Chief System39-4110Practices and understanding on the implementation of river-lake chief system in Hanzhong CityLi Xiaoxiao, Li QianxiSpecial Issue of River Chief System and Lake Chief System44-4611Strengthening supervision on operation and management of water proiects in Qinghai ProvinceZhang ShifengSafety Production and Supervision51-52,5512Promotion and application of Work Safety Standardization in hydraulic engineeringSun Chaojun, Zhang Yiliang, Zhao QinghuaSafety Production and Supervision53-5513The mode and effect of"Integration of Heaven and Earth"supervision on production and construction project Soil and water conservation in ChengduZhang Xiaobo, Qin Wei, Qu Shuangfeng, Guo Qiankun, Jiang YiSafety Production and Supervision56-5814Treatment of gushing water for tunnel excavation of water diversion projectXu Wei, Zhou HaiyuProject Construction and Management59-6015Siltation treatment for main canal of Dengkou pumping irrigation districtLu Fei, Wang HugangProject Construction and Management61-62,58 