What is the situation of Zhejiang Water Network?Where can the floods occur?Zhejiang water conservancy experts answered
Author:Zhejiang Daily Time:2022.09.14
Zhejiang News Client Reporter Jin Liang Zhang Yeqi
The strong typhoon "plum blossoms" gradually approached, and it was raining all over Zhejiang. So, where is the most rainfall and where the flood may occur in the future?
On the morning of the 14th, the reporter interviewed Chen Yixing, director of the Defense Division of the Provincial Water Resources Department. The other party said that the current four prefecture -level cities have more rainfall, namely Shaoxing, Ningbo, Taizhou and Huzhou. Among them, the rainfall in seven counties is greater than 50 mm, and the larger ones are 121.0 mm in Shangyu District, 104.8 mm in Yuyao City, and 96.6 mm in Xinchang County.
From the rainfall of a single station, the cumulative rainfall has more than 250 mm in 10 stations.
The concentrated rainfall in some areas has led to a significant rise in the water level in rivers, and the most prominent is Yaojiang and Yongjiang. From the current point of view, the water level on the Yuyao station on the Yaojiang River reached 2.64 meters, exceeding the guarantee water level 0.04 meters; the water level of Zhangting Station was 2.43 meters, exceeding the alert water level 0.43 meters. "According to prediction, the highest water level in Yuyao Station may reach 3.45 meters in the future, close to the highest water level of the‘ Fireworks ’Typhoon of 3.53 meters last year, and the possibility of flooding is very high." Chen Yixing said.
From the perspective of the reservoir, the total water storage of large and medium -sized reservoirs in the province is about 77%, which can act well as a stop -storage effect. Among them, the water storage capacity of the local reservoir in Ningbo is even lower, because they do a good job of pre -leaking in the reservoir river.
Starting from September 10, the reservoirs with high water storage such as Zhougong Mansion and Jiaokou have pre -leaked in advance. From the 11th, the reservoirs such as Yaoyao Siming Lake, Lianghui, and Lubu have also opened pre -leakage. Essence The Ningbo River Network was full pre -leaking. As of 17:00 on the 13th, the Pingyuan River Network had a total of 173 million square meters of water, of which the Yaojiang gate was drained by 34.5 million cubic meters.
At present, the province has maintained a total of 14 flood warnings. Among them, there are 5 red warnings, namely Hai Station, Ningbo Station, Fenghua Jiang Beidu Station, Xia Yaojiang Yaojiang Gate Station, and Haishu Plain Huanggulin Station. These watersheds need to pay special attention.
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