Core Insights - The Pearl River Delta is experiencing an active period of saline tide intrusion since November 2025, prompting the Pearl River Water Resources Commission to implement a "saline suppression and fresh water supplementation" strategy to ensure water supply safety for cities in the Guangdong-Hong Kong-Macao Greater Bay Area [1][2] Group 1: Water Supply Management - The Pearl River Water Resources Commission has dispatched nearly 9 billion cubic meters of water from upstream reservoirs to downstream areas to secure water supply for cities like Macau and Zhuhai [1] - Continuous monitoring and dynamic assessment of water reservoir levels and regional water demand are being conducted to optimize water management strategies [1][2] Group 2: Collaboration and Efficiency - The commission is enhancing collaboration with departments such as the power grid and shipping, ensuring that water supply meets agricultural irrigation needs while supporting the stability of the power grid [2] - The joint management of water reservoirs has led to a cumulative increase in clean energy generation of 6.9 billion kilowatt-hours, equivalent to saving 2.04 million tons of standard coal and reducing carbon dioxide emissions by 5.44 million tons [2] Group 3: Ecological and Operational Benefits - The operational capacity of the "Golden Waterway" of the Xijiang River has significantly improved, with an increase of 20-50% in cargo throughput and daily vessel passage compared to the previous year [2] - The ecological flow rate of the Xijiang mainstream has achieved a 100% compliance rate, maximizing the comprehensive benefits of water resources [2]