According to the study of geological evolution history, the Yellow River is a relatively young river. In the late Early Pleistocene, 1 15000 years ago, there were only some unconnected lake basins in the basin, each of which formed an independent internal water system. Since then, with the uplift of the western plateau, rivers have been eroded and eroded. After the Middle Pleistocene of 654.38+0.05 million years, lakes and basins have been gradually connected, forming the embryonic form of the Yellow River system. It was not until the Late Pleistocene (654.38+ 10,000 years ago) that the Yellow River gradually evolved into a big river running up and down from the source to the estuary.
Because the flood of the Yellow River carries a lot of sediment, it quickly silts up after entering the downstream plain, and the mainstream wanders in the overflow area, people begin to build dikes for flood control, and the flood channel keeps silting up and rising, becoming an "overground river" higher than the two banks. Under certain conditions, it will overflow the flood and take a new road. The severity of river migration in the lower Yellow River is unique in the world. According to written records, the Yellow River has been diverted many times. The river changes from Zhengzhou in the west, Tianjin in the north and Jianghuai in the south, covering an area of 250,000 square kilometers. During the period from the fifth year of Zhou Ding (602 BC) to the second year of Jian Yan in the Southern Song Dynasty (1 128) 1700, most of the migration of the Yellow River was in the area north of the current river, invading the Haihe River system and flowing into the Bohai Sea. During the 700 years from 1 128 to 1855, the Yellow River oscillated in the south of Xianhe River, invaded the Huaihe River system and flowed into the Yellow River.
You can't wash it until you reach the Yellow River.
Have you noticed how the water of the Yellow River moved into the sea and never returned to Li Bai's "drinking"?
"The Yellow River has fallen into the East China Sea, and Wan Li has written in his arms." Li Bai gave Pei fourteen songs.
The Yellow River is getting farther and farther away, because it flows in the middle of the Yellow River, and Yumenguan is located on a lonely mountain. Wang Zhihuan Liangzhou Ci
The vast desert is lonely, and the Yellow River sets the yen. Wang Wei's Frontier Ambassador
The mountains cover the day, the sea exhausts the golden river, and the ring of the king stays in the heron lodge.
I want to cross the Yellow River, but the ice choked the ferry. I want to climb the snowy Taihang Mountain, and Li Bai's road is very difficult.
Wan Li sand in the Yellow River, waves scouring the wind from the end of the world Liu Yuxi Tang's "Waves scouring the sand" legend has it that a long time ago, the ancient Yellow River was a wild horse that was difficult to tame. It runs as it pleases, like a twisted monster, roaring day and night, spewing and devouring fertile land. Bite Chung Shan Man, the Hui people on both sides of the Yellow River can only live a slash-and-burn life at the top of the mountain and at the bottom of the ditch. At that time, Ningxia was not a plain bordered by Ma Pingchuan, but green mountains and valleys. There is no flat field, and no field can be irrigated with Yellow River water. Legend has it that there are several families living in Niushou Mountain who return to the Han family. They carry water at the foot of the mountain and farm at the top of the mountain for generations. All ages are busy, but they don't have enough to eat and don't wear warm clothes. For a long time, no one could stand this torture. One year, a 70-year-old Hui Hui man named Del opened a melon garden on the mountain and planted some cucumbers. He gets up early every day and goes to the Yellow River to fetch water and water cucumbers. His shoulders are swollen and his feet are skinned. He carefully cultivated cucumbers, and the yellow ones looked tender and sweet. On this day, the old man was tired and fell asleep at the gate of the vegetable garden. As soon as he fell asleep, he dreamed that there was a white cloud floating in the sky. Gradually, Baiyun became an imam with a white beard, shook his silver beard and said to the old man, "There are two strong winds today, so you should pay attention. There is a yellow wind at noon, which can make cucumbers wither; There is a black wind in the afternoon, which can make cucumber stems fall off. No matter how windy it is, don't pick cucumbers. When the old man woke up, he saw that the white-bearded imam had disappeared, but he saw that the yellow wind in the north was overwhelming and suddenly blew to Niushou Mountain. The old man looked at the cucumbers carefully, and sure enough, they faded one by one. He was very sad. A year's efforts were in vain, but the thought of the white-bearded imam stopped him. In the afternoon, a black wind blew, shaking the mountains and dropping leaves layer by layer. When the old man saw that the cucumber was about to fall to the ground, he was very angry. He picked a cucumber and threw it into the Yellow River. The Yellow River immediately broke a line. As if he had been cut by a fairy with a knife, he clearly saw the bottom of the river. When the old man Gerd swooped down, the river suddenly joined again. The old man was tired and hungry, sitting on the river bank, blinking, and the golden flower danced wildly, knowing nothing. At this time, the old man in Del heard the white-bearded imam say, "This cucumber is the key to conquering the Yellow River. You can cut off the Yellow River and make it listen to people. But now the Yellow River is called Yellow Wind and Black Wind, and these two Iberians are suffering. Don't be impatient, be patient and work harder. Next year, you plant another cucumber garden. When the cucumber is ripe, you pick the biggest one and throw it into the Yellow River. At that time, you walked into the cave at the bottom of the river, took off the gems, took away the seeds of the grain, and had a sword to cut the dragon and the devil and tame the Yellow River. Where you point, the Yellow River water will flow. The next year, the hardworking old man Gerd planted another cucumber garden. He is not afraid of the long journey, and he does not hesitate to sweat like rain, carrying water from the Yellow River to water melons. Everything comes to him who waits. Finally, a three-foot cucumber grows in the garden, which looks like a key. The old man happily slept in the melon garden for a day and a night until the melon was ripe. On this day, the weather was fine, without a cloud. Old man Wilder picked a three-foot cucumber, read "Taismi" and threw it into the Yellow River. At this time, I only heard the roar of the Yellow River, and I opened a long crack. All the stones at the bottom of the river are clearly visible. When the old man went down to the bottom of the river, he saw a hole near the river bank, where pearls and agates were everywhere. The old man took some and just left, he heard the storm whistling. At that time, the waves on the river rolled and the waves became higher and higher. The old man Gerd picked up his sword and cut dozens of swords on the left and right sides of the black whirlwind and the yellow whirlwind. After a while, black wind and yellow wind blew in the sky. At this time, the faults of the Yellow River gradually tightened. Del's old man remembered the command of the white-bearded imam, and this sword could conquer the Yellow River. He knew very well, and he thought, I want the Yellow River to fill ditches and level mountains. Holding two swords, the old man plunged into the Yellow River, and the water in the Yellow River stopped flowing at once, as if a Great Wall had been blocked in front, but it was still rising steadily, which was really scary from a distance. Three days later, from Liupanshan in the south to Helan Mountain in the west, there was water everywhere, leaving only a few mountain tips. Only then, the old man, Gerd, drew his sword and told the Yellow River to flow forward. Since then, Ningxia, a deep mountain valley, has become Ma Pingchuan, and the Hui people living on both sides of the Yellow River have dug ditches for farmland with hard-working hands and lived a happy life. Myth and legend: Dayu had three treasures when he governed the Yellow River. One is the river map; The second is a mountain axe; The third is to avoid water swords. Legend has it that the river map was given to Dayu by Hebo, the water god of the Yellow River. In ancient times, there was a man named Feng Yi in Huayin General Township. He is uneasy about farming and wants to become an immortal. He heard that people can become immortals after drinking the juice of daffodils for one hundred days. So I looked everywhere for daffodils. Before Dayu harnessed water, the Yellow River flowed to the Central Plains. There is no fixed channel, it flows everywhere and is often flooded. There are seven strands and eight roads on the ground, and the branches in the ditch are all yellow river water. Feng Yi ran around looking for daffodils, often crossing, crossing and dealing with the Yellow River. Ninety-nine days passed in the blink of an eye, and then I found a daffodil and sucked the juice of the daffodil for a day, so I could become an immortal. Feng Yi was so proud that he crossed the Yellow River and went to a small village to look for daffodils. The water here is not deep. Feng Yi waded across the river and reached the middle of it. Suddenly, the river rose. He panicked, slipped, fell into the Yellow River and was drowned alive. After Feng Yi's death, she was full of grievances and resentment. She hated the Yellow River with gnashing teeth and went to the Jade Emperor to sue the Yellow River. The Jade Emperor was also annoyed when he heard that the Yellow River was undisciplined and wandering around, endangering the people. Seeing that Feng Yi had been sucking the juice of daffodils for ninety-nine days, it was time to become an immortal. He asked Feng Yi if he would be the water god of the Yellow River and govern it. Feng Yi was overjoyed. Full of promises. Now I can realize my dream of becoming an immortal, and secondly I can avenge my drowning. Feng Yi became the water god of the Yellow River and was called Hebo. He has never been involved in water control, and suddenly assumed the responsibility of managing the Yellow River, helpless and worried. What should we do? I have no magic weapon, so I have to ask the Jade Emperor for advice. The Jade Emperor told him that to manage the Yellow River well, we must first find out the water conditions of the Yellow River and draw a river map. Based on the river map of the Yellow River, it will be much easier to control the Yellow River. Hebo, according to the instructions of the Jade Emperor, was bent on drawing a river map. He went to his hometown first and wanted to ask the villagers for help. Everyone in the village hated his idleness and his work, and no one answered him. He found the old man in the village and expressed his great ambition to govern the Yellow River. When the old man saw that he was now a fairy and wanted to do something good for the people, he promised to help him. From then on, Hebo and later old people came and went in the rain, wading through mountains and rivers to see the Yellow River water regime. After running for several years, the old man was tired. After the old man only went back, the rest of Hebo continued to check the water situation along the Yellow River. When we parted, the old man repeatedly told Hebo that the director should go all the way and not give up halfway. After drawing the map, he began to manage the Yellow River, and there was not enough manpower. He persuaded the villagers to help. It is a hard job to check the water regime and draw a river map. By the time Hebo finished drawing the river map, he was old and weak. Hebo looked at the river map, where the Yellow River is deep and shallow; Where it is easy to explode, it is easy to explode; Where to dig and where to block; Where the water can be cut off and where the flood can be discharged are clearly drawn. I can only sigh that I have no strength to manage the Yellow River according to the map, which is very sad. Hebo thought that one day someone would come to harness the Yellow River. It will be worthwhile to give him the river map then. Hebo spent his old age under the Yellow River and never appeared again. Unexpectedly, the Yellow River overflowed again and again. People know that the Jade Emperor sent Hebo to control water, but they didn't see him. They all scold Hebo for not doing his duty, regardless of whether people live or die. The old man hasn't seen Hebo for several years after waiting for him every day in his hospital bed. He is uneasy about managing the Yellow River and wants to find Hebo. His son's name is Yi, and he shot every shot. No matter what the old man says, Yi won't let him go to Hebo. Later, the old man did not listen to his son's dissuasion. As a result, he met a breach in the Yellow River, was washed away and drowned, and even the body was not found. Hou Yi hated Hebo's guts and gnashed his teeth, saying that Hebo would be shot sooner or later. Later, Dayu came out to control water, and Hebo decided to give him the map of the Yellow River. On this day, Hebo heard that Dayu came to the Yellow River with an axe and a sword to avoid water, so he came out from the bottom with a river map to look for Dayu. Hebo and Dayu have never met before, and neither of them knows each other. Hebo walked for a long time and was so tired that he wanted to have a rest. He saw a young man crossing the river. This young man is a hero. He must be Dayu. Hebo shouted and asked, "Hello, who are you? "The young man over there is not Dayu, but Hou Yi. He looked up, and on the other side of the river, a saint-like old man was asking loudly, "Who are you?" Herb said loudly, "I'm Herb. Are you Dayu? " When Hou Yi heard that it was Hebo, he immediately rushed to his heart and sneered, "I am Dayu." With a bow and arrow, regardless of indiscriminate, an arrow "sou" hit Herb's left eye. Hebo pulled an arrow on his eye, and he was sweating with pain. He cursed in his heart: "damn prison, how unreasonable!" "The more he thought about it, the more angry he became, and he tore up the water map. Just then, there was a loud shout: "Hebo! Don't tear the picture. " Hebo barely looked at it with his right eye. On the other side, a man in a hat stopped Hou Yi. This man is Dayu. He knew that Hebo had painted a picture of the Yellow River and was going to ask Hebo for advice. Hou Yi pushed Dayu away and tried to draw a bow and arrow. Dayu grabbed him desperately and told Hebo about the hardships of painting. Hou Yi regretted his recklessness and shot Hebo in the left eye. Hou Yi and Dayu crossed the river together. Hou Yi admitted his mistake to Hebo. Hebo knew that Hou Yi was the old man's son and didn't blame him. Dayu said to Hebo, "I'm Dayu, and I've come to ask you for advice on how to manage the Yellow River. "Hebo said," My heart and blood and river management methods are all on this picture, so I'll give them to you now. "You see the exhibition of Dayu, which is so dense that the water situation of the Yellow River is clearly drawn up and down. Dayu was extremely happy. He wants to thank Hebo. Looking up, Hebo jumped into the Yellow River and disappeared. Dayu got the hydrological map of the Yellow River and kept it around the clock. According to the instructions on the map, he finally managed to control the Yellow River.