China News Service, Yichang, August 18 (Reporter Guo Xiaoying) According to the news on the 18th on the WeChat account of the Yangtze River Water Conservancy Commission of the Ministry of Water Resources (hereinafter referred to as the "Yangtze River Committee") Hydrology Bureau "Yangtze River Water Regime", 74,000 cubic meters will appear in the Three Gorges Reservoir on the 20th. The flood peak of about every second is the largest inflow of the Three Gorges Reservoir since its establishment.
Affected by heavy rainfall, super-guaranteed floods occurred in the Tuojiang and Fujiang Rivers, and super-historical floods occurred in the Minjiang River. The flood peak water level of Beibei Station on the Jialing River was near the guaranteed water level on the 19th. The flood peak water level at Zhutuo Station on the main stream of the upper Yangtze River will exceed the guaranteed water level by about 2.4 meters on the 19th, and the flood peak water level at Cuntan Station will exceed the guaranteed water level by about 5.5 meters on the 20th.
The Bureau of Hydrology of the Yangtze River Committee upgraded to issue a red flood warning for the Minjiang River, a tributary of the upper reaches of the Yangtze River, and continued to issue orange flood warnings for the upper reaches of the Yangtze River from Yibin to Cuntan, Tuojiang and Fujiang Rivers, and yellow flood warnings for Jialing River and Three Gorges reservoir areas, and the middle and lower reaches of the main stream. Blue flood warning for Chenglingji River, Jiujiang-Nanjing River, Poyang Lake District, and Dongting Lake District.
In response to the 2020 Yangtze River No. 5 flood process, the Yangtze River Commission once again dispatched the upstream reservoir group, planning to use the 3.5 billion cubic meters of reservoir capacity of Xiluodu, Xiangjiaba, Wudongde and other reservoirs to intercept floods in the Sichuan-Chongqing reach and the Three Gorges Reservoir.
At 16:00 on the 17th, the Three Gorges Reservoir has increased its discharge flow to 44,000 cubic meters per second to control risks in the middle and lower reaches and the reservoir area. The reporter learned from the Three Gorges Group that the Three Gorges Dam opened nine deep-hole flood discharges on the 18th to deal with the upcoming floods.
According to a notice from the Yangtze Three Gorges Navigation Administration, the Three Gorges dual-line five-level ship lock and the Three Gorges ship lift will be suspended from 8 o'clock on the 18th, and navigation will be resumed after the Three Gorges inflow rate drops to 56,700 cubic meters per second.
Real-time monitoring data from the Hydrological Bureau of the Yangtze River Committee showed that as of 16:00 on the 18th, the flow of Cuntan Station on the mainstream of the Yangtze River was 64,200 cubic meters per second, and the water level was 186.40 meters, which exceeded the guaranteed water level (183.5 meters) by 2.9 meters; the Three Gorges reservoir flow rate was 61,000 cubic meters per second. , The outbound flow is 45,900 cubic meters per second, and the water level in front of the dam is 158.33 meters. (Finish)