Why not directly connect the Yellow River with the Tongtian River and build a difficult south to nor

The South-to-North Water Diversion Project not only connects the Yangtze River and the Yellow River more reasonably, but also involves several major rivers, the Haihe River and the Huai River, thus constituting the so-called four vertical and three horizontal layouts.

Because the consequences of opening up are very unpredictable, it may cause problems such as floods, and the water quality is not the same, and the south-to-north water diversion is very stable.

For the long-term stability of Xinjiang and the northwest, the people here are seriously short of water, hindering development, and revitalizing the western countryside, and the people of the western region are looking forward to it!

It is extremely difficult to open up the two rivers, it is difficult to achieve, and it affects people's lives, and it is not as effective as the south-to-north water diversion process.

The South-to-North Water Diversion Project originally wanted to do this, and it is recommended to re-open the junior high school geography textbook.

There is not much water upstream; The water quality of the Yellow River is not good; Beijing is not on the Yellow River.

The upper reaches of the Yangtze River and the Yellow River have been well managed, and the lower reaches of the Yangtze River have reduced floods and droughts.

Let's first examine how much water the Tongtian River has.

Shandong Province See the specific content below, I hope it will be helpful to you, and can, thank you

The main construction of the South-to-North Water Diversion Project will be completed within the year.

Jinan, July 2 (Xinhua) -- According to the Shandong Provincial Administration for the Construction of the South-to-North Water Diversion Project, the South-to-North Water Diversion Project has completed a total investment of 42.3 billion yuan, accounting for 68.9 percent of the approved investment, and the construction of the main project will be completed this year.

The project is located in Dongping and Dong'e counties in Shandong, the middle section of the lower reaches of the Yellow River, the project consists of dredging in Dongping Lake, the lake gate, the south trunk canal, the buried pipe inlet maintenance gate, the beach buried pipe, the tunnel through the Yellow River, the exit gate, the culvert through the Yellow Canal and the connecting nullah and other buildings, the main project is 7 87 kilometers long, 9 424 kilometers of dredging in the lake, the total investment of the state-approved project is 6 132.1 billion yuan, and the total construction period of the project is 3 years.

Up to now, the project has completed the excavation section of the lake gate and the dredging section in front of the gate, the south trunk canal and the south bank traffic project, the import maintenance gate and the beach buried pipe project, with a total construction investment of 14.2 billion yuan, accounting for 85 percent of the total construction contract. The buried pipe of the beach of the North District Project has been completed, the tunnel through the Yellow River has been penetrated, and the first concrete pouring of the vertical tunnel and the flat tunnel has been completed, with a total construction investment of 13.9 billion yuan, accounting for 94% of the total construction contract. According to the plan of Shandong Province, the main construction of the Yellow River crossing project will be completed this year, and the conditions for completion and acceptance will be met.

The Yellow River Crossing Project is a key control project of the eastern route of the South-to-North Water Diversion Project, and the water transmission line used to divert water from the Yangtze River crosses the Yellow River at a depth of about 70 meters at the bottom of the Yellow River in Shandong. After the completion of the project, it will realize the diversion of water from the Yangtze River to northern Lubei, and at the same time have the conditions for emergency water supply to the eastern part of Hebei Province and Tianjin City.

The middle route of the South-to-North Water Diversion Project passes through the Yellow River, and the Yangtze River water passes through a tunnel under the Yellow River.

Western Route: The Yellow River and the Yangtze River are separated by Bayan Kala Mountain, and the riverbed of the Yellow River is 80 450m higher than the corresponding riverbed of the Yangtze River. The water diversion project requires the construction of high dams or pumping stations to lift water, and the excavation of long tunnels through the Bayan Kala Mountains.

There are two types of water diversion methods: artesian and water lifting. Regardless of the method of water diversion, a high dam of about 200 meters high and a long tunnel of more than 100 kilometers will be excavated.

Eastern Route: Selected to dig a tunnel under the Yellow River between Dongping County and Dong'e County in Shandong. Through years of geological exploration and excavation of the experimental tunnel, the bedrock structure and karst development of the river bottom were ascertained, and the construction problem of the river bottom tunnel plugging and excavation was successfully solved.

The total length of the Yellow River Piercing Project is from the Dongping Lake Outlet Gate to the inlet of the Weilin Canal, of which the inverted rainbow tunnel section of the Yellow River Crossing Project is 634m long, and the Pingdong section is 70m deep under the Yellow River, which is a tunnel with two diameters. The first phase of the project will be excavated first.

It is said that the Yellow River is the river with the largest sediment content in the world, and the Tongtian River is located in the section of the Yangtze River from Nangji Balong to Yushu, and the water quality is better.

Mainly because the cost is too great, and the amount of water in the Tongtian River is very small, it is not worth it.

Because the altitude is too high and the geology is complex, not only the construction is too difficult, it requires a lot of manpower and material resources, but also destroys the ecological environment.

The origins of the two rivers are different from the topography, and the repair work is quite arduous.

Because the distance between the Yellow River and the Tongtian River is still quite large, it is difficult to get through, and it may lead to some disasters after it is opened.

Because the amount of work for this is too large, it is not so simple to say at all, it requires a lot of human and material resources, and it is not worth it.

The straight-line distance between the source of the Yellow River and the Tongtian River is relatively not far, but we can also see from the topography and water reserves around them that the topography of the source of the Yellow River is not suitable for the excessive volume of water resources, and the topography of the river valley and basin can easily cause floods if the external water source is too large. The extra water is also difficult to effectively flow through the Yellow River to the middle and lower reaches, which will lead to a waste of water resources and an unbalanced ecological environment in the upper reaches.

According to the plan approved in 2002, the middle line project was completed and opened to water in 2010. In the new plan, the main project of the middle line was completed in 2013, and the water of the Yangtze River was transferred to Beijing in 2014.

Henan, as the water source of the middle route project, as well as the province with the longest channels, the most immigrants, the largest investment, and the largest planned water consumption, has become the focus of people's scrutiny. One has to ask what is the reason for the delay? What will be the impact on a water-scarce Beijing?

The reasons for the delay of the project are complex.

The start of the construction of the western route is far away.

The South-to-North Water Diversion Project is divided into the eastern, western, and central routes, and the current construction is the central and eastern routes. This time, the construction period was postponed not only for the middle route project, but also for the eastern route project. The eastern route project mainly supplies water from the Beijing-Hangzhou Grand Canal to Shandong and Jiangsu provinces.

Previously, according to the master plan, the first phase of the eastern route was originally scheduled to be opened to water in 2007, and in the new plan, the first phase of the project was adjusted to be opened to water in 2013.

As early as September 11, 2007, the Shandong Provincial Administration for the Construction of the Eastern Route of the South-to-North Water Diversion Project revealed that since the state had not yet approved the General Report on the Feasibility Study of the First Phase of the Eastern Route of the South-to-North Water Diversion Project, a number of projects had not started construction, and the water connection period would be postponed.

In addition, the master plan includes the most expensive and complex project for the western route across the Tibetan Plateau. On December 23, 2002, in the "Master Plan for the South-to-North Water Diversion Project" approved by the first batch of the first phase of the western route, the construction of the first phase of the western route will start around 2010 and be opened to water in 2015.