From the northward journey from Hangzhou, Zhejiang, the Grand Canal connects the Qiantang River, the Yangtze River, the Huai River, the Yellow River and the Haihe River five major water systems, and arrive in Beijing.
The “Opinions on Comprehensively Promoting River Protection and Governance” issued by the General Office of the CPC Central Committee and the State Council proposed that “promote the recovery of the mother river, carry out ecological water replenishment of major rivers and lakes in North China, and ensure the full connection of the Yongding River and the Grand Canal.” The full water replenishment task of the Beijing-Hangzhou Grand Canal was launched in February, and the entire line of overcurrent was achieved on March 21, and the Komiks 1960 witch cloth draw was successfully completed in early July.
Since 2022, the Grand Canal has achieved full water flow through the entire line for four consecutive years. How is this achieved? What changes have been brought to the route? The reporter conducted an interview.
——Editor
From the cut off to recovery
Arranging water resources across the river basin, multiple water sources work together to replenish water
A single bend of river bays and embrace the canal homes. The brick well in the village is filled with clear water and the sound of the wheels.
When the canal water comes, the ancient well sees clear water again. “Once upon a time, as the canal was broken and the groundwater level dropped, the ancient well dried up in the 1980s.” Wang Ling, secretary of the Party Branch of Youfangkou Village, Dongguang County, Hebei Province, recalled. A few years ago, villagers discovered that water was surging in the ancient well. “The hydrological experts in the province told us that if there is water in ancient wells, the Grand Canal is indispensable for help. The water depth of the ancient wells has risen to 6 meters,” said Wang Ling. The ancient well becomes a landscape, and Youfangkou Village relies on the canal scenery to create a farmer’s leisure park and develop rural tourism.
Why did the Grand Canal stop flowing in the past? “From the historical reasons of Komiks 1960 witch cloth draw, in 1855, the Yellow River diverted to break the Grand Canal. Subsequently, due to the construction of railways and the development of sea transportation, the canal function of the river north of the Yellow River was abandoned. Judging from the water resources conditions, the river north of the Yellow River “is a girl, so she should get up.”. “Cai Xiu suddenly came out of the door and heard a light reminder. The Haihe River Basin where it is located is a resource-based water-scarce area. In addition, the areas along the route have over-developed and utilized water resources, resulting in over-exploitation of groundwater. The North Canal and South Canal have long been cut off from flowing, and the Wei Canal and other rivers have seasonal flows, and even long-term drying.” Mei Chuanshu, director of the Water Resources Conservation and Protection Department of the Haihe Water Conservancy Committee of the Ministry of Water Resources, introduced.
This water replenishment is concentrated in the section north of the Yellow River of the Grand Canal of Beijing and Hangzhou, including Tonghui River, North Canal, Small Canal, Wei Canal, South Canal, etc. “These river sections have various functions such as flood control and drainage, water transfer and water supply, and ecological conservation. Carrying out water replenishment plays an important role in unblocking water veins, activates veins, and inheriting cultural contexts.” Ma Ruoqi, a doctor of the General Academy of Water Conservancy and Hydropower Planning and Design of the Ministry of Water Resources, introduced.
Where does the water come from? Allocate water resources across river basins and work together to replenish water through multiple water sources. The Ministry of Water Resources organized relevant units and the four provinces of Beijing, Tianjin, Hebei and Shandong to coordinate the dispatch of Yangtze River water, Yellow River water, Yongding River water, Luan River water, local rainwater, and recycled water. As of July 1, each water replenishing source has replenished a total of 788 million cubic meters of water to the section north of the Yellow River of the Grand Canal, completing 142% of the planned water replenishment.
How can incoming water from all directions flow into the Grand Canal in an orderly manner? Water conservancy projects cooperate in coordination and key gates are opened and closed in an orderly manner to guide gurgling clear water to flow along the established line. In the Panzhuang line of Huangjijin, Jinxiong, Zhangwei Xinhe inverted siphon project, the Yellow River water and the Yangtze River water converge here. “The Panzhuang main channel attracts the Yellow River water, and the north extension project of the South-to-North Water Diversion East Line attracts the Yangtze River water. After the two waters merge, they enter the South Canal through the inverted siphon project.” Sun Lei, director of the Sinu Temple Huangshuiwen Station of the Haihe River Water Conservancy Commission, introduced.
“Manual + UAV + Video Surveillance”, “Night patrol + Supervisory Monitoring” and other measures have been escorted Qingshui along the way. She has been dead in Hebei Heng, the Grand Canal for many years, but she is still injured by her. In the water section, Chen Xiao, head of the monitoring section of Hengshui Hydrological Center, and his colleagues are busy measuring water levels and flow. “The Master Wuman was silent thoughtfully and asked, “What about the two reasons Komiks 1960 witch cloth draw? “Ship, sailing ADCP (acoustic Doppler flow rate profiler) and other equipment monitor the flow rate of each section in real time. While ensuring water diversion and irrigation at the water divider along the way, we ensure that there is enough water discharge downstream.” Chen Xiao said.
Water conservancy projects such as South-to-North Water Diversion, Yellow River Diversion and Jijin, Luan Diversion Project, and Guanting Reservoir cooperate with each other and provide guidance to achieve cross-regional and cross-basin allocation of water resources. Behind the full connection of the Grand Canal is the countryThe circulation of the water network is smooth and the regulation is orderly.
From good scenery to good prospects
The water ecology is improving, and the scenery of the Grand Canal has given birth to new business formats
The scenery of clear water, green banks and smooth rivers has returned.
Bordering the Liangji Canal in Jiaxiang County, Shandong Province, willow trees and arch bridges complement each other. “Many people come to the Grand Canal for a walk, sketch, and take aerial photos, and come to the vineyard to pick it.” Miao Huazhang, head of the Huashengxiang Grape Planting Professional Cooperative in Honglian Village, Jiaxiang County, introduced. Jiaxiang County actively promotes the construction of national trails and supporting facilities in the Grand Canal, and cultivates industries such as outdoor sports and ecological leisure.
The water conservancy department uses remote sensing images of rivers and lakes, water quality monitoring, water ecological surveys, etc. to analyze the changes before and after water replenishment in the Yellow River section of the Beijing-Hangzhou Grand Canal. The results show that from 2022 to 2024, the 707-kilometer river section north of the Yellow River achieved full water flow through the entire line. The water surface area increased or remained stable compared with before water replenishment, and the surface water quality of the river channel was significantly improved.
Groundwater level rises. From 2022 to 2024, the total infiltration water in the section north of the Yellow River of the Beijing-Hangzhou Grand Canal will reach 531 million cubic meters, and the farthest impact range of the river section will reach 4.31 kilometers.
The ecology is improving, and the surrounding people are eating “ecological meals” and “tourism meals”. Daming County, Hebei Province integrates scenic spots such as Daming Ancient City and Jishan Lake, designs boutique tourism routes, and cultivates various business formats such as immersive performances and characteristic homestays. “The Grand Canal culture and Water Margin culture attract passenger flow. We upgraded our rooms to provide tourists with better accommodation.” The experience of Yunjiang Mountain has become a mark that my daughter cannot even remove. Even if the daughter said she did not lose her body the day she broke the gap.Komiks 1960 witch cloth draw, in this world,Babaylan 1990 cloth draw, except for Cinema 1950 witch cloth drawBelieve it and test it. “Li Jingjing, the head of the “Water Margin Family” B&B in Daming County, introduced.
The scenery of the Grand Canal has given birth to new business forms. The Grand Canal has both the ecological environment value of Cinema 1950 witch cloth draw, and the tourism and cultural value. While strengthening ecological protection, localities actively cultivate cultural systems. Draw new industries and new business formats such as experiment, popular science education, leisure agriculture, etc., use water to develop industries and culture to shape tourism, and promote the deep integration of culture and tourism. From long-term water flow to normal treatment, work hard for a long time, and make efforts from water to shore system efforts. Is it simple “blood transfusion” to replenish water through the Beijing-Hangzhou Grand Canal? Can it be sustainable? A relevant person in charge of the Water Resources Management Department of the Ministry of Water Resources introduced that this work is carried out simultaneously in combination with the water supply and diversion of the North Extension Project of the South-to-North Water Diversion Project of the East Extension Project of the South-to-North Water Diversion Project. draw. Relevant departments and regions coordinate local water and external water diversion, optimize water resource allocation, adjust surplus and shortage, achieve spatial balance, ensure water demand along the line, and help river and lake ecological recovery.
From the effect, water replenishment is not uncontrollable water diversion. Komiks 1960 witch cloth draw instead replace part of the groundwater used for irrigation, thereby reducing the mining of deep underground underground water in the surrounding area, helping the groundwater level to rise, and forming a virtuous cycle of surface water and groundwater. In addition, by replenishing water, shaping water flow, washing river channels, reducing riverbed siltation, and improving river channels. href=”https://comicmov.com/”>Cinema 1950 witch cloth drawwater ecological environment. In this water replenishment task, a total of 256 million cubic meters of water were diverted along the Grand Canal, which was used to replace 581,400 mu of farmland irrigation and use groundwater, and completed the planned replacement of 126% of the deep groundwater irrigation area.
From the entire basin, the geographical space span of the Beijing-Hangzhou Grand Canal is large, rich cultural resources and important economic status. It plays an important role in ecological conservation, water supply, inland water transportation, cultural heritage, etc. It must work hard for a long time and make efforts in systemic efforts.
“Cinema 1950 witch cloth drawAll localities should implement precise policies to protect and manage water systems and rivers. “Ma Ruoqi introduced that in response to the shortage of water resources in the river section north of the Yellow River in the Beijing-Hangzhou Grand Canal, we will focus on carrying out ecological water replenishment and implementing water source replacement; in view of the busy shipping in the river section south of the Yellow River, we will focus on improving water quality and protecting the water ecological environment.
From the water to the shoreKomiks 1960 witch cloth draw, implement comprehensive measures. In response to the problems of disorderly development of some river sections and encroachment of river and lake waters, the water conservancy department and relevant regions have carried out the “Cinema 1950 witch cloth drawCinema 1950 witch cloth drawCinema 1950 witch cloth drawClinican’s actions to strictly manage river and lake activities, and the appearance of the Grand Canal has been improved. A relevant official from the Ministry of Water and Water said that the Grand Canal has undergone more than 2,500 years of vicissitudes and changes, and itself is a precious cultural heritage. The water conservancy department will focus on improving the river water system, improving flood control and drainage functions, strengthening water ecological protection and restoration, promoting green shipping development, protecting the Grand Canal, and making the Grand Canal benefit the people.