It wasn't until Mai Ke and others stopped just now that they got rid of the domination of the mountain and were liberated, so that the latter jumped out, the torrent was surging, and shot out!

Now, Mai Ke and Gu Jizhi are both in the sky pavilion on the back of the clouded leopard, looking in all directions, there is no cover, beyond the mountains below, there are two huge plains, and the plains downstream seem to provide a garden for this yellow dragon to walk through at will, and there is no longer any obstruction!

Gu Jizhi lamented that because of this, the river breaches in the downstream occurred frequently, and even constantly diverted, and in the blink of an eye, the countryside, villages, and even cities became Zeguo.

Seeing that thousands of miles of fertile fields, towns and villages are densely packed, there is no guarantee to go, I don't know when, this Huanglong Xingzhi, go to visit, then thousands of wealth, splendid glory are all drifted away with the water, into nothing.

This yellow dragon must be tamed, let him change his color and change his temper!

The goal is clear water and a docile temper.

However, Mai Ke knows that it is by no means something that can be turned into reality by just thinking about it.

Moreover, the reason why the dragon is dyed yellow and short-tempered is in the upstream section of the river, and only by determining the cause and eradicating the root of the disease can the source be cleared and the river clear.

Mai Ke continued to rise, reaching a height of 1,500 meters, looking to the west of the mountains.

I saw that the plain to the east of the other mountains was several hundred meters high, and it was all a plain land, and the loess was everywhere.

The great river has its northwestern part, flows through the north, and then flows southward until it reaches the west side of the mountains, where it plunges headlong into the mountains.

Gu Jizhi continued to introduce.

It is said that this is the famous Hetao area, describing the big river flowing through the north and east, like a sleeve, covering this Loess Plateau.

It's the same set that has had two major impacts.

At the time of its first impact, the great rivers provided an abundant source of water for the plain. Thus turning this plain into a land of fish and rice.

"The great river is harmful, and the profit is the only one", this proverb says that this is the case.

To the east of the mountains, there are countless disasters such as diversions, bursting of levees, and overflowing of large rivers. Therefore, the great river has become a harmful river that does more harm than good.

And the source of the great river, full of high mountains and wild forests, is almost a deserted area, and it is not harmful or powerful.

Therefore, only the area in the river water ring is the real beneficiary area of the big river.

Because it is advantageous, all woodlands, meadows, mountains, and flatlands along both sides of the river. All of them were reclaimed as farmland.

In other words, the loess, which was originally fixed, is now a random flow of sand, and while receiving irrigation from the river, it also rushes into the embrace of the river in large quantities.

The amount of loess that enters the river is so large that it can reach billions of tons every year!

This amount of loess is enough to fill this big river several times!

Thankfully, nature is ingenious. And it has its own way of regulation.

In the mountains just mentioned, there is a torrent with a drop of three or four hundred meters. It is possible to pour out the sediment that has accumulated in the front part of the plain.

In this way, although the silted loess is solved, the sediment is carried downstream, which is the main cause of various disasters downstream.

This is tantamount to a powerful "set" that blames others and pushes the disaster onto the hundreds of millions of residents in the lower reaches of the river.

Although it was not intentional by the people there, objectively it was.

Therefore. This creates a contradiction between the upstream and downstream.

Thus, the governance of this great river also adds a new element out of thin air, and this new factor often becomes the most important factor.

This contradiction, especially when human interventions are taken, is all the more inevitable and makes it very difficult to make decisions on these measures.

Mai Ke is well aware of these factors. Because he not only stands tall and has a broad vision, but he also has the depth of history and knows the relevant troubles of later generations.

He certainly wouldn't mind if he could help.

But for now, there are two main issues for him to consider.

One is the impact of the decisive battle of the two rivers, the decisive battle of the two rivers, the main battlefield is in the lower reaches of the big river, in case it goes crazy, in the decisive battle, wouldn't it be caught off guard?

The other is how to comprehensively govern this great river after the overthrow of the Manchu Qing Dynasty by the Kingdom of Heaven.

Gu Jizhi asked: "We have established a direct passage to Taihang Mountain this time, how to cross the river, you have a good idea in your heart, Mai Ke?"

This is the most urgent, and I hope that Mai Ke has a way, otherwise it will take at least four or five days to rely on his engineering column.

Mai Ke said: "I think it's okay. I don't have much of a spectrum yet, hehe. ”

"Then it's up to you! I'll talk about comprehensive management. I think there are four basic purposes that need to be taken into account, otherwise there would be no need for comprehensive management. ”

"Which four?" Mai Ke asked with interest.

"Irrigation of farmland, domestic water, hydroelectric power, and river transportation! However, it also depends on the importance of the way the water is used varies from section to section of the river and at different times. ”

"For example......" Mai Ke interjected.

"For example, when there is a special drought, domestic water becomes the most important thing, and if there is no water, you will die of thirst, where can you take care of anything else? For example, when you are fighting, you need to transport troops and weapons and ammunition to the front line, and at this time, other uses must make way. Gu Jizhi explained.

Sure enough! Mai Ke very much agreed with Gu Jizhi's viewpoint.

However, this is all about how to use the river water, and they are all passively waiting for the river water to work, and people are basically powerless, and when disasters come, they are helpless.

How do I take the initiative to grasp the power of the river, and can I make it work for me?

Thinking of this, Mai Ke was taken aback, is it possible for the enemy to take advantage of it?

There are too many examples of using the power of water to defeat the enemy in history, such as Guan Yunchang flooding the Seventh Army!

After thinking about it for a while, he had no clue, and then he turned his mind and asked Jizhi: "What else is the problem?"

For example, sometimes when there is a drought and no rain, the flow of a big river will be cut off; although up to now, the flow has not been stopped, but it is very close! Regardless of the four major functions or the eight major functions, if the water is cut off, all of them will be in vain!"

Mai Ke nodded and said: "Therefore, comprehensive management, we must consider the problem of sufficient water sources, and continuous and sufficient flow of water is the basis for comprehensive arrangement of water conservancy." ”

In fact, this problem is manifested in the problem of upstream and downstream competition for water sources. If the amount of water is fixed, the amount of water used is also fixed, and the supply and demand are just the same, and the upstream uses more water than its proportion, and the downstream will definitely not be enough. ”

It seems that there are more and more problems, and Mai Ke is already feeling a headache.

Gu Jizhi can be much earlier than him.

It's really a tough problem to solve.

(To be continued......)

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Use the most ordinary means to write the most bizarre life story! The young Qiao Zhi was lured into a huge cross-time and space operation, so that his life can no longer be separated from magic. There are benefits to success; Qiao Zhi is directly measured by the amount of money in a set of upgrade systems, and is involved in gradually escalating money-making activities. Since then, surging money has been used as a means of measurement, and rolling derivatives have been used as a winning weapon, slashing copper brothers and copper brothers, sword steel giants, attacking and killing crude oil giants, robbing financial oligarchs, robbing agricultural and pastoral chiefs, and sweeping monetary alliances! In the early days of coming to the United States, he was used as a shield and had a grudge with the rich man's son, but he also got acquainted with politics, economics, and politics because of fate. Characters in the dark world of film and television, the auction is successful, enter the Indian protectorate, form an alliance with the chief, and then, trade in one day, win four billion, get to know the detective, encounter a plane crash, life and death are unpredictable, the system triggers the automatic protection function, and Joe escapes from death. then went to a classmate picnic, was hijacked again, and the story gradually unfolded.