Jiangxi Province Water Resources Department: Poyang Lake at the end of September may refresh the lowest water level in history
Author:Cover news Time:2022.09.14
Cover news reporter Teng Yan
On September 13th, Wang Chun, director of the Jiangxi Provincial Department of Water Resources, revealed at the press conference of the relevant situation of the water conservation and water supply of water and water supply in the water conservancy. It may refresh the lowest water level in history.
Wang Chun said that since late June, the average rainfall in Jiangxi Province has a average rainfall of 178 mm, which is ranked first in the same period, and evaporation is twice the amount of rainfall. Since July, the water volume of Wuhe has 13.62 billion cubic meters, which is 50 % less than the same period. The water level of the Wuhe control station is low 1.71 meters to 6.48 meters, and the water level of Xingzi Station of Poyang Lake is 7.9 meters. On September 6, Poyang Lake fell below the 8 -meter pole dry water level. Following the earliest into the dry period and low water period on August 6 and August 19, Poyang Lake once again refreshed into the earliest record of the extremely dry water period.
Wang Chun, director of the Jiangxi Provincial Department of Water Resources (Picture Source: Ministry of Water Resources)
Extreme drought has a serious impact on the people's drinking water, agricultural production and ecology. The province's 2077 reservoirs were below the dead water position, accounting for 20 %; 44,500 mountain ponds dried up, accounting for 22 %; 25 rivers of 25 square kilometers were disconnected, and the affected area of crops was 8.836 million mu.
It is predicted that the rainfall in the province in mid -September to October is still relatively small. Poyang Lake may refresh the lowest water level in history at the end of September to ensure the situation of urban and rural residents' living water and industrial and agricultural production water.
The Jiangxi Provincial Department of Water Resources currently maintains the third -level emergency response of drought resistance. It has set up special classes, adheres to the discussion dispatch, and dispatches expert guidance.
The first is to strengthen monitoring and forecasting and early warning. Establish a "three 10 -day" drought early warning mechanisms to forecast, predict, and outlook the drought, water preservation, and irrigation in the next 10, 20 days, and 30 days. Through daily monitoring, the water supply of water sources above 151 counties at or above the province is normal, and the number of water supply days is greater than 30 days. There are 8 days to 30 days. Emergency measures such as spare water sources can be used when the water supply is insufficient. The remaining 772 are more than 30 days; of the 31.36 million acres of effective irrigation area, 75%can be used by taking various measures to keep it until the end of the month to the end of the month. Essence
The second is to strengthen the management of planning water. Expert experts go deep into the field, guide the local water accounts, and plan to use water. The irrigation zone with insufficient water should be used to solve the problem of irrigation in water lifting, water -adjusting, and well -lapizing; implement the "three responsible persons" and emergency water supply measures in rural water supply, announce the service hotline and supervision reporting phone calls. Measures such as extension of the net, watering and water delivery solve the problem of drinking water; guide Nanchang City, Duchang County, Hukou County and other places to implement the most unfavorable situation of emergency protection project measures.
The third is to implement joint scheduling of reservoir groups. Under the unified deployment of the Ministry of Water Conservancy, starting from August 16, the implementation of the "Joint Action for the Poyang Lake Reservoir Group Drought Restaurant and Water Supply Special Disclosure", coordinating considering crop type, irrigation needs, water sources, and expected water situations, guide the reservoir to do a good job of using it well The water plan and irrigation district accurately undertake upstream water, cumulatively replenishing 887 million cubic meters of downstream, ensuring 5.24 million people, 3.29 million mu of farmland water demand, increased a total of 225 million cubic meters of water entering, with an average of 130 cubic meters of traffic in lakes increased by 130 cubic meters Every second. In particular, the Ganjiang River step reservoir such as Wan'an, Xiajiang, and Longtou Mountain is fine to ensure water supply safety along the Ganjiang River, especially Nanchang City.
Wang Chun revealed that the total water storage capacity of the reservoir in the province is currently 13.59 billion cubic meters, of which the large reservoir water storage capacity is 9.6 billion cubic meters, 80%of the full storage rate, the water storage capacity of the medium -sized reservoir is 2.39 billion cubic meters, and the full rate of storage rate is 52%. The water storage capacity of small reservoirs was 1.6 billion cubic meters, and the full -scale storage rate was only 27%.
The 35 large and medium -sized reservoirs participating in a new round of joint scheduling were 10.35 billion cubic meters, and the available water volume was 6.5 billion cubic meters.
In order to solve 116 large and medium -sized irrigation districts from Wuhe, Poyang Lake, and Yangtze River 2.3 million acres of medium rice, 4.2 million acres of late rice irrigation during the critical period of water, 9.5 million people's drinking water guarantee, Jiangxi Province according to the demand for water and autumn grain. The situation, from mid -September to the end of the month, will continue to dispatch 35 large and medium -sized reservoirs to replenish 684 million cubic meters of downstream to meet the needs of urban and rural residents along the Wuhe line and Poyang Lake.
Wang Chun also revealed that in the next step, it will be based on anti -drought and long -term drought, adhere to the bottom line thinking and goal orientation, accurately predict forecasting, carefully organize guidance, sophisticated scheduling the reservoir, and make every effort to ensure the safety of drinking water and food safety. At the same time, coordinate the current and long -term, compile the Implementation Plan for the Implementation of Jiangxi Province's Water Resources Drought and Drought and Drought Resistance Relationships, accelerate the improvement of drought -proof and drought -resistant engineering measures and non -engineering measures, and effectively improve drought resistance and reduction capacity.
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