During the period of 1788, floods occurred in the upper, middle and lower reaches of the Yangtze River. On July 23rd, the flood peak flow in Yichang was 86,000 cubic meters per second. There are more than 20 breaches in Jingjiang levee, and the flood rushes into Jingzhou city, with a water depth of five or six meters. It took two months for the flood to recede.
1860 Yichang flood peak flow is about 92,500 cubic meters per second, and Zhicheng reaches 1 10000 cubic meters per second. This year's flood lasted from mid-June to late July, and a rare late flood occurred in165438+1October.
1870 The flood mainly comes from Jialing River Basin, and the peak flow in Beibei reaches 57,300 cubic meters per second. The flood affected the area from the Sichuan Basin to the plain lake area in the middle reaches of the Yangtze River, and about 30,000 square kilometers were flooded. More than 30 counties in Hubei and 20 counties in Hunan suffered from severe floods. This flood is the biggest since 1 153.
193 1 7, a basin-wide flood occurred in August. The affected area of the Yangtze River basin reached10.5 million square kilometers, and more than 50 million mu of farmland in the middle and lower reaches were flooded.10.45 million people died and more than 28 million people were affected. The highest flood level in Wuhan Pass is 20.20 meters, and most urban areas in Wuhan are several feet deep.
1From July 3 to July 7, 935, the torrential rain around Wufeng, Hubei Province lasted for five days, which led to regional catastrophic floods in the Yangtze River basin, mainly in the middle and lower reaches of Lishui and Hanshui rivers. More than 22 million mu of cultivated land was flooded,10 million people were affected, and142,000 people died.
1July, 1954, an extraordinary flood occurred in the whole basin. The highest flood level in Hankou reached 29.73 meters, and the peak flow reached 76 100 cubic meters per second. The affected area reached 54 million mu, with more than 80,000 victims/kloc-0, and the Beijing-Guangzhou line could not be opened to traffic normally 100 days.