1Development Situation and Strategy of Small Hydropower Station in Rural Areas in ChinaPANG Jin-long, ZHANG Yue-chi8-112Construction Diversion Design of the Reinforcement Project of Haihe Tidal GateWANG Shuang, HUANG Xiao-long, WANG Yue-feng12-163Flood Control Benefit and Economic Evaluation of Louli Reservoir in Hebei ProvinceLAI Shi-yu, JIANG Wei-feng23-26,354Flood Impact Assessment of Qingyuan Pumped Storage Power StationWEI Jian-de, ZI Tian-liang27-305Analysis and Treatment Measures for Leakage of Water Conveyance Tunnel in Water Resource Allocation ProjectLIU Hao-yang36-39,516Construction Visualization of High Arch Dam Silo Surface Based on Web ARWANG Li40-43,477Thinking on Safety Production Fees of Water Conservancy Construction ProjectsLIU Hong-jun44-478Spatial-temporal Variation Characteristics of Precipitation in the Pearl River Delta Region from 1991 to 2020LI Wen-qing, SHEN Long83-939Prediction of Water Inrush Disaster in Zhangjiawan TunnelZHANG Qin-ning, ZHANG Qiang, SHAO Jiang, CAO Wen-han94-97,10110Analysis and Discussion on Slope Stability of Downstream of Mekelle Project SpillwayWANG Shui-shan, XU Qiang98-10111Analysis of Seepage Monitoring Data of a Concrete Gravity DamMA Hou102-106,11212Research on Tunnel Surrounding Rock Support Parameters Based on the Nishihara Rheological Constructive ModelLIN Yang107-11213Design and Performance Analysis of Self-compacting Concrete Mix in Jiangxia ReservoirHU Shi-chong113-116,12014Influence of Construction Projects on Hydrological MonitoringGUO Jun-chen, CAO Ya-chang, GUO Sheng-nan125-128