一要进一步压实防御责任，坚持每日会商研判，锚定"多目标"滚动优化工作部署，不断提升防御措 施的针对性、精准性、时效性。 二要强化监测预报预警，紧盯洪水演进和雨水情变化，针对强降雨落区加密预报、滚动预报、精细 预报，为调度决策提供支撑，并及时发布预警信息。 三要科学精细调度水库群，统筹防洪安全和蓄水需求，实时优化三峡、丹江口等重点水库调度方 案，在确保防洪安全的前提下，稳步实现蓄满目标。 央视网消息：据水利部消息，10月17日，长江防总、长江水利委员会会商跟踪研判流域雨水情变化，针 对性安排部署秋汛防御和汛后蓄水重点工作。 根据滚动预测预报，10月17日至18日，长江流域自北向南有一次中到大雨、局地暴雨的降水过程。10月 19日至26日，长江流域有小雨、局地中雨。 会上强调，当前正处于秋汛收官、蓄水冲刺的关键时期，各有关部门和单位要高度重视，清醒认识做好 秋汛防御和汛末蓄水的重要性，继续绷紧弦、不松懈，善始善终做好各项重点工作。 四要指导相关地区加强河道堤防巡查防守和险情抢护，从严从细做好中小河流洪水和山洪灾害防 御，强化中小型水库特别是病险水库、在建水利工程安全管理。 五要确保"一泓清水永续北上"，加强丹江口 ...

Core Insights - The Danjiangkou Reservoir has reached its normal water level of 170 meters for the third time since its dam height was increased, marking a significant achievement in flood prevention and water storage for the Han River basin [1][2] Group 1: Rainfall and Flood Characteristics - The Han River basin experienced extreme drought conditions from January to August, followed by an unusually strong autumn rain starting from late August, which is characterized by four notable features [1] - The autumn flood began early and has lasted longer than usual, starting on August 25, which is 8 days earlier than the average, and has continued for 55 days as of October 18, exceeding the average duration by 16 days [1] - There were 11 significant rainfall events during the autumn flood period, with the upper reaches of the Han River receiving a total precipitation of 573 millimeters, which is 2.8 times the average for the same period, marking the highest since records began in 1961 [1] - The frequency of numbered floods was high, with seven occurrences between September 5 and October 18, making it the most concentrated autumn flood period on record [1] - The total inflow to the Danjiangkou Reservoir during the autumn flood was approximately 29.7 billion cubic meters, which is about 2.7 times the average for the same period and the second highest since the reservoir was built in 1969 [1] Group 2: Water Management and Safety Monitoring - The Yangtze River Water Resources Commission is effectively managing the water resources by coordinating the Danjiangkou Reservoir and other control reservoirs in the Han River basin to achieve flood control and water storage goals [2] - Current safety monitoring data indicates that the dam's operational status is normal, water quality is stable and meets standards, and the safety of the reservoir banks is under control [2] - The Ministry of Water Resources and the Yangtze River Commission will continue to monitor rainfall in the Han River basin closely and enhance safety monitoring of the reservoir and its surroundings [2]