In 2020, the No.2 flood of the Yangtze River was formed in the upper reaches of the Yangtze River, including which provinces?

In summer, because of the weather, some natural disasters are easy to happen, and the most common is the flood disaster. It is understood that the No.2 flood of the Yangtze River was formed in the upper reaches of the Yangtze River in 2020. What is the specific situation of the formation of the second flood of the Yangtze River in 2020? Which provinces are included in the upper reaches of the Yangtze River? Next, let's take a look at this issue of urban culture!

In 2020, the second flood of the Yangtze River was formed in the upper reaches of the Yangtze River.

Affected by heavy rainfall, the inflow from the upper reaches of the Yangtze River and the Three Gorges area has increased significantly recently, and the inflow from the Three Gorges Reservoir has increased rapidly, reaching 50,000 cubic meters per second in July 17. According to the flood numbering regulations of major rivers in China, the incoming water reaches the flood numbering standard, forming the "No.2 flood of the Yangtze River in 2020" in the upper reaches of the Yangtze River. It is estimated that at 20: 00 on June 5438+07, the maximum inflow of the Three Gorges Reservoir is about 55,000 cubic meters per second.

Since June 5438+04, there have been heavy rains or heavy rains in eastern Sichuan and Chongqing. The Three Gorges Reservoir impounded floods and the water level kept rising. On June 7th 10, the outflow of the Three Gorges Reservoir was 32,200m3/s, and the reservoir water level reached157.1m, which exceeded the flood limit 12m. At present, the Three Gorges Reservoir has used about 7 billion cubic meters of flood control storage capacity, leaving about 654.38+0.5 billion cubic meters.

According to the report, the process of heavy rainfall in the Yangtze River basin will continue. It is predicted that 17- 19, the heavy rainfall area will slowly move eastward and southward, and there will be heavy rains near the Wujiang River, the Three Gorges, the Qingjiang River, the middle and lower reaches of the Han River, the northwest of Dongting Lake and the main stream of the middle and lower reaches of the Yangtze River.

Which provinces are included in the upper reaches of the Yangtze River?

The upper reaches of the Yangtze River are 45 1 1 km from the east of Gradang in the Qinghai-Tibet Plateau to Yichang in Hubei Province. The main and tributary basins in this section cover a wide range, covering the Qinghai-Tibet Plateau, Yichang and Hubei in the east, southwestern Shaanxi in the north and northern Yunnan and Guizhou in the south, involving Chongqing, Tibet, Sichuan, Qinghai, Yunnan, Guizhou, Gansu, Shaanxi and Hubei provinces, autonomous regions and municipalities directly under the central government.

Mainly refers to Panzhihua, Zhaotong, Yibin, Luzhou, Jiangjin, Hechuan, Yongchuan, main city, Changshou, Fuling, Fengdu, Zhongxian, Wanzhou, Yunyang, Fengjie, Wushan and other cities along the river. From Chongqing and Chengdu in Sichuan to Shanghai along the national trunk line (the upstream territory includes Chengdu-Suining-Nanchong-Chongqing-Dianjiang-Liangping-Wanzhou-Yichang); Chongqing, Chengdu, Sichuan and other cities with Chongqing-Kunming Railway, lanzhou-chongqing railway, chengdu-chongqing railway, suining-chongqing railway and Huai Yu Railway; Chongqing, Zunyi, Guiyang and other cities along Chongqing-Guizhou Railway and expressway; And Kunming and other cities connected by Cheng Kun, Neikun and Guikun lines.

Its economic hinterland mainly includes Chongqing, Sichuan, Guizhou, Yunnan, Tibet and Qinghai.