1Spatiotemporal Changes of Precipitation Across the Beijing-Tianjin-Hebei Region from 1973 to 2022JI He, YIN Rui, YIN Hai-jiao, ZHANG Zhen-qing4-112Ecological Protection Status and Countermeasures in Daqing River BasinWANG Yan-fang, YE Kai-min, SHEN Yan-ke20-233Water Quality Monitoring Status and Problem Countermeasures of the Yellow River-to-Baiyangdian Water Transfer ProjectTIAN Yan-Long, REN Xiao-Min, FANG Xin-Sheng, LI Hui24-274Topsoil Protection of Spoil Ground in Production and Construction ProjectsYANG Lu-ming, WANG Wen-xuan28-31,355Flood Resource Dispatching in Chaobai River(Beijing Section)ZHANG Hui, LI Lin32-356Control Measures for a Bare Sandbank Reach of Brahmaputra RiverZHU Qing, HUANG Wei36-397Key Points of Channel Reconstruction Design of Phase I Project of Dagong Irrigation DistrictLIU Yuan-yong, QIAO Guang-wei40-438Rainstorms Analysis and Design Flood Review of The"7·28"Flood Around the Raoyang RiverZHANG Xin-yi55-589Common Issues in Water Conservancy Engineering Construction BiddingGUO Shan-chao70-75,8610Prediction of Urban Waterlogging Based on SWMM Model:ZHAI Ming-shuo, WANG Ji-xuan, GUAN Yi, GUO Ya-fen76-8111Medium and Long Term Inflow Runoff Prediction of Hengren Reservoir Based on SSTWANG Feng-li, LEI Xiao-hui, XIANG Li-feng, DING Wen-chang82-8612Mathematical Model of Flood Discharge Atomization for BDa Hydropower StationBAO Wei, WANG Tian-yu, LIU Fang87-90,9513Influence of Aquatic Vegetation Growth Characteristics on Channel HydrodynamicsYAO Gang91-9514Calculation on High Formwork Strength of Gaobeitang Drainage ChannelQIN Hui103-106,11015Application of A New Type of Sewage Blocking Network in Emergency Response of Tonghui River in BeijingLI Nan, WEIXIA An-ni, HU Yan-fang, LV Yong-feng111-11516Optimization and Application of Rotary Cleaning Machine in Suining Second Pumping Station of South-to-North Water DiversionWU Li-ming, DU Wei, WANG Yu-jiao, ZHU Jian-chuan116-11917Budget Estimate Compilation of Water Conservancy Project Based on BIMNIU Li-jun, CHEN Hui-ping120-125 