1Overall framework and countermeasures for safeguarding water security in the Yellow River basin during The 15th Five-Year Plan periodZU LeimingSpecial Focus1-62Progress,challenges,and countermeasures of operation and dispatching technologies for the Jinsha River Downstream-Three Gorges Cascade Hydropower CorridorLIU Weiping, LIU HaiboForefront7-163Challenges and technological innovation requirements for building safe dams in ChinaWANG Xiaogang, ZHENG CuiyingThematic Studies17-224An analysis of the scientific connotation and construction path of ecological damsWANG Jianhua, ZHANG Yunchang, HU PengThematic Studies23-285Driving the development of dam engineering technology with the concept of smart damsLIU Yi, ZHOU Qiujing, ZHAO YuntianThematic Studies29-366Research and application of X-band hydrological radar rainfall retrieval model in Hunan ProvinceHE Bingshun, ZHAO YanweiFlood and Drought Disaster Prevention37-467Concepts and approaches of the happy rivers and lakes initiative from the perspective of river and lake protection and governance in the new eraTONG Xuewei, LI Aihua, XU WeiRiver and Lake Protection and Management53-57,728Trend analysis of water quality changes and countermeasures at the Taocha Canal HeadLIU Lianbing, LI FeiProject Construction and Operation58-659Study on enhancing the resilience of water conservancy projects driven by institutions and technologyCHAI JixuanProject Construction and Operation66-72