今年以来长江流域降水量偏少三成，三峡水库实施保春灌补水调度

Group 1 - The Ministry of Water Resources has announced the implementation of water supply scheduling from the Three Gorges Reservoir starting April 8 to meet the irrigation water demand for spring in the middle and lower reaches of the Yangtze River [1] - This year, precipitation in the Yangtze River basin is down by 30%, with the middle and lower reaches experiencing a nearly 40% decrease, leading to meteorological drought affecting about 50% of the basin area [1] - The water level at major control stations in the middle and lower reaches is 2.3 to 3.3 meters lower than the historical average for the same period, increasing the pressure on irrigation water supply [1] Group 2 - The scheduled water release from the Three Gorges Reservoir is set at an average outflow of 10,000 cubic meters per second, which is expected to raise the water level in the Yangtze River from Shashi to Hukou by 0.7 to 2.0 meters, enhancing irrigation water availability [1] - The meeting also decided to implement sediment reduction scheduling at the reservoir's tail to alleviate sediment accumulation and ensure flood control capacity [1] - Various departments are urged to enter flood season work mode, focusing on comprehensive drought and flood prevention measures, and to optimize water supply scheduling for the Danjiangkou Reservoir [2]