China News Agency, Wuhan, July 4th (Reporter Xu Jinbo) In view of the current severe situation of flood defense in the Yangtze River Basin, the Yangtze River Water Conservancy Commission of the Ministry of Water Resources decided to raise the level IV emergency response of the Yangtze River flood and drought disaster prevention to level III from 12:00 on the 4th. , And issued a dispatch order requiring the Three Gorges Reservoir to reduce the discharge flow on the 5th.
According to reports, due to the impact of recent heavy rainfall, the "Yangtze River Flood No. 1 in 2020" entered the Three Gorges Reservoir on the 2nd. At 14:00 on the same day, a peak flow of 53,000 cubic meters per second appeared and then retreated. The outflow of the Three Gorges reservoir remained at 35,000 cubic meters per second. about. After the accumulation of the Three Gorges, Hong Feng was cut by 34%. From the 4th to the 8th of this month, there was continuous heavy rainfall near the main stream of the Yangtze River. On the 9th, the basin ushered in a new round of rainfall.
The Chamber of Commerce on the 4th of the Yangtze River Water Conservancy Commission pointed out that at present, the water level of the main stream of the middle and lower reaches of the Yangtze River and the outlet control stations of the two lakes (Dongting Lake and Poyang Lake) is about 0.8-2.3 meters higher than the same period in history, and maintains a continuous upward trend. The reach of the river will exceed the warning water level one after another.
In view of the severe situation of the Yangtze River flood defense, the Yangtze River Water Conservancy Commission upgraded the emergency response of the Yangtze River flood and drought disaster to level III at 12:00 on the 4th, and requested the relevant provinces (municipalities) water conservancy departments (bureaus) to further monitor and forecast Early warning, strengthening scientific dispatch of water projects, strengthening inspection and defense of reservoirs and embankments, and making every effort to prevent and respond to work to ensure the safety of people's lives.
With the consent of the Ministry of Water Resources, the Yangtze River Water Resources Commission issued a dispatch order to temporarily reduce the outflow of the Three Gorges Reservoir to 30,000 cubic meters per second from 6 o'clock on the 5th, and evacuate some ships stranded in the Three Gorges-Gezhouba interval in time to ensure navigation Safety; after 16:00 on the 5th, the outflow of the Three Gorges Reservoir was restored to 35,000 cubic meters per second; at the same time, Xiluodu, Xiangjiaba Reservoir and the cascade reservoirs in the middle reaches of the Jinsha River were simultaneously increased to increase the storage capacity, and the inflow of the Three Gorges Reservoir was moderately reduced, and the combined force Flood control pressure in the middle and lower reaches; follow-up will be based on changes in water and rain conditions in the river basin, rolling consultations, and timely adjustment of the scheduling plan. (Finish)