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The flood disaster occurred in China in 1994 and 1998

2019-12-10  |   Editor : houguangbing  

In 1994, Guangdong and Guangxi provinces encountered flood disaster once in 50 years. Nearly 1.25 million hectares of agricultural land were flooded, and 13.19 million people were affected by the flood disaster in the two regions and the direct economic loss was about 63.2 billion yuan.

In 1998, the Yangtze River, Songhua River, Pearl River, Minjiang River and other basins suffered from rare floods. The number of people affected by the disaster reached tens of millions and the direct economic loss was more than 255 billion yuan.

From June 12 to 27, 1998, the water system of Poyang Lake was affected by the heavy rain. The water level of Fuhe, Xinjiang and Changjiang exceeded the highest level in history. There were also floods in the waters of Dongting Lake, Yuanjiang and Xiangjiang.

Water in the two lakes flooded into the Yangtze River, causing a rapid rise in the water level in the middle and lower reaches of the Yangtze River, which has exceeded the warning level since June 24 one after another.

From June 28 to July 20, the main rain zone moved to the upstream of Yangtze River. The first flood peak occurred in yichang on July 2, with 54,500 steres per second. The water level in Jianli, Wuxue, Jiujiang and other water stations exceeded the highest water level on July 4.

The second flood peak occurred in Yichang on July 18, with a flow rate of 55900 steres per second. During this period, the water level of the middle and lower reaches of the Yangtze River has been falling because of the lack of water in the water system of Dongting Lake and Poyang Lake.

From July 21 to 31, the middle reaches of the Yangtze River again suffered from heavy rainfall.

From July 21 to 23, Wuhan, Hubei province and its surrounding areas suffered from long-continued heavy rain; On July 24, a flood occurred in the Yuanjiang and li water of Dongting water system and the flood peak flow of li water in Shimen hydrological station was 19900 steres per second, which was the second greatest flood in the 20th century.

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