广东前汛期蓄水目标全面完成 可调水量约74亿立方米

Core Insights - Guangdong's water management system has effectively maintained reservoir water levels despite uneven rainfall distribution during the pre-flood season, achieving a total adjustable water volume of approximately 74 billion cubic meters, which is 77% of the planned capacity [1] Group 1: Rainfall and Water Management - The rainfall in Guangdong during the pre-flood season showed significant variability, with April experiencing a 39% decrease, May a 13% increase, and June remaining stable compared to historical averages [1] - The East River and Han River basins recorded rainfall deficits of 33% and 38% respectively, while the North River basin saw a 30% increase in rainfall [1][3] - The provincial water authority has proactively developed a water scheduling plan for the five major river basins to ensure flood safety and maximize water storage [1][4] Group 2: Water Supply and Ecological Safety - The main reservoirs have exceeded their water storage targets, with a total adjustable water volume of 73.8 billion cubic meters and a recovery volume of 21.7 billion cubic meters by July 1 [3] - All ecological flow and minimum discharge requirements for seven national monitoring sections have been met, ensuring water supply for both Guangdong and neighboring regions [3] Group 3: Future Outlook - The post-flood season is expected to present complex climatic conditions, with rainfall predicted to be higher in the western regions and lower in the east, alongside the potential impact of 3 to 5 tropical cyclones [4] - The provincial water authority plans to enhance monitoring and strictly implement water scheduling to maintain water storage effectiveness and ensure supply and ecological safety [4]