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The Yellow River flows through the Tibetan Plateau, the Inner Mongolia Plateau, the Loess Plateau, and the North China Plain.
The Yellow River originates in the Bayankala Mountains of Qinghai Province of the People's Republic of China, flows through nine provinces and regions: Qinghai, Sichuan, Gansu, Ningxia, Inner Mongolia, Shaanxi, Shanxi, Henan and Shandong, and finally empties into the Bohai Sea in Kenli County, Dongying, Shandong Province.
The middle and upper reaches of the Yellow River are mainly mountainous, and the middle and lower reaches are dominated by plains and hills. Because the middle section of the river flows through the Loess Plateau region of China, it carries a large amount of sediment, so it is also known as the river with the most sediment content in the world. But in Chinese history, the diversion of the lower reaches of the Yellow River has had a huge impact on human civilization.
The importance of the Yellow River to China:
1. The Yellow River shows the development process of ancient Chinese civilization.
In ancient times, the climate in the middle and lower reaches of the Yellow River was mild and rainfall was abundant, which was suitable for primitive human survival. The Loess Plateau and the alluvial plain of the Yellow River have loose soil and are easy to cultivate, which is suitable for the development of primitive agriculture and animal husbandry. The characteristics of loess are conducive to the ancestors to dig holes and live together.
The special natural geographical environment has provided better conditions for the development of China's ancient civilization. As early as 1.1 million years ago, the "Lantian people" lived in the Yellow River Valley. There are also "Dali people", "Dingcun people", "Hetao people" and so on also live and breed in the basin.
2. The Yellow River is the "root" of our descendants of Yan and Huang
More than 6,000 years ago, agricultural activities began in the basin. About 4,000 years ago, a number of blood-related clans and tribes were formed in the basin, among which the two major tribes of Yandi and Huangdi were the most powerful. Later, the Yellow Emperor achieved the status of the leader of the alliance and merged with other tribes to form the "Huaxia Clan".
Later generations regarded the Yellow Emperor as the ancestor of the Chinese nation.
In Xinzheng City, Henan Province, the birthplace of the Yellow Emperor, there is the Yellow Emperor's Palace, and in Huangling County, Shaanxi Province, there is the Yellow Emperor's Mausoleum, and the descendants of Yan and Huang all over the world regard the Yellow River Valley as the cradle of the Chinese nation, call the Yellow River "Mother River", the "Four Sects", and regard the Yellow Earth as their "root".
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The upper reaches of the Yellow River: the mountains are high and steep, the drop is large, and there are abundant water resources. After the Yellow River flows out of Qingtongxia, its terrain is flat and open, and it enters the Ningxia Plain and the Hetao Plain of Inner Mongolia.
It is crisscrossed by canals and has become one of the earliest agricultural development zones in the upper reaches of the Yellow River.
Midstream: In summer and autumn, there are many heavy rains, abundant sand sources, more water and more sand, large flood peak flow, high sediment content, becoming a world-famous sandy river, river siltation and erosion of river sections interchange, canyons and wide valleys alternate.
Downstream: It flows through the North China Plain from west to east, and the slope of the Shihong River channel is small and the water flow is gentle. In addition, the river channel is wide and shallow, the sediment is seriously silted, the riverbed is gradually raised, the two banks are almost all by the embankment as a barrier, the river beach is generally about 2-5 meters higher than the ground on both banks, and some are as high as 10 meters, which is the world's famous "hanging river".
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From the source of the river to the mouth of the Inner Mongolia Tuoketuo River is the upstream.
Tuoketuo Hekou Town to Taohuayu Garden Mouth, Henan.
The neighborhood is in the middle of the stream.
Taohuayu to the estuary is downstream.
The middle reaches of the Yellow River: the length of the river is 1206 kilometers, the basin area accounts for the total amount of the Yellow River, the increase in the amount of water in the interval accounts for the water volume of the Yellow River, and the increased sediment volume accounts for 92% of the total sediment volume of the Yellow River, which is the main sediment of the Yellow River.
According to the different characteristics of the middle reaches, it can be divided into three parts: the Jinshan Gorge section, the Fenwei Plain section, and the Sanmenxia-Taohuayu River section.
Inner Mongolia Tuoketuo Hekou Town to Shanxi Yumen. This section of the river is the longest continuous canyon of the main stream of the Yellow River, flowing through the loess hilly and gully area, with serious soil erosion, and is the main coarse sediment of the Yellow River. The river section is larger than the drop, rich in hydraulic resources, and the Wanjiazhai water conservancy hub is located in this section.
Shanxi Yumen to Henan Sanmenxia. The valley widens and the water flows slowly. The two banks of the river section are the loess plateaus of Weibei and southern Shanxi, which are important agricultural areas in Shaanxi and Shanxi provinces, and are one of the main sediments in the lower reaches of the Yellow River.
The section of the river consists of small waves.
It is divided into two parts: above the bottom of the small waves, the river runs through the middle valley, which is the last section of the canyon on the main stream of the Yellow River; Below the bottom of the small waves, the river valley gradually widens, which is the transition section of the Yellow River into the plain.
Lower reaches of the Yellow River: The length of the river is 786 kilometers, and the basin area accounts for 3% of the total volume of the Yellow River.
The river channel slope is small, the water flow is gentle, and the river channel is wide and scattered, the sediment is serious, and the riverbed.
It gradually rises to form a "hanging river on the ground".
The Yellow River originates in the Bayankala Mountains on the Qinghai-Tibet Plateau.
The Yogu Zonglie Basin at the northern foot flows through nine provinces (autonomous regions) of Qinghai, Sichuan, Gansu, Ningxia, Inner Mongolia, Shaanxi, Shanxi, Henan and Shandong from west to east, and finally flows into the Bohai Sea. Precipitation in the basin.
It is small, mainly dryland agriculture, dry in winter and dry in spring, and precipitation is concentrated in summer, autumn, July and August.
The Yellow River flows through the Loess Plateau in China due to the middle section of the river.
The area, because of which it carries a large amount of sediment, is known as the river with the highest sediment content in the world. But in Chinese history, the lower reaches of the Yellow River were diverted to human civilization.
The impact has been huge.
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The provinces and cities through which the middle and lower reaches of the Yellow River flow include Inner Mongolia Autonomous Region, Shaanxi Province, Shanxi Province, Henan Province, and Shandong Province. The Yellow River runs from Hekou Town to Taohuayu in Zhengzhou City, Henan Province.
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This area is located in the Central Plains of China in the middle and lower reaches of the Yellow River, including the whole province of Henan, the southwest corner of Shanxi Province, the northwest corner of Hubei Province and Anhui Province, and the five regions of Guanzhong, Yanchang, Qinlong, Zhashui and Longzhong in Shaanxi Province and Gansu Province.
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Geographical locationThe Yellow River originates from Bayankala Mountain in Qinghai, and its main stream runs through nine provinces and autonomous regions, namely: Qinghai, Sichuan, Gansu, Ningxia, Inner Mongolia, Shanxi, Shaanxi, Henan, Shandong, and flows into the Bohai Sea. The annual runoff is 57.4 billion cubic meters, and the average runoff depth is 79 meters.
However, the amount of water is not as large as the Pearl River, there are 35 major tributaries along the way, the larger tributaries are in the upper reaches, there are Huangshui and Tao rivers, in the middle reaches there are Qingshui River, Fen River, Wei River, Qin River, and in the lower reaches there are Yi River and Luo River. The lower reaches of the Yellow River basin are small because of the lack of lakes on both sides and the high riverbeds, and the few rivers that flow into the Yellow River.
From the source of the river to the mountainous and grassland plateau of Guide, it belongs to the Qinghai-Tibet Plateau, with an altitude of more than 3,000 meters, a mountain peak of more than 4,000 meters, and an altitude of 4,200 meters in the source of the river valley. Guide from the Mengjin River section is the Loess Plateau area, the Loess Plateau is the western slope of Luliang in the east, the Weihe Valley in the south, the Ordos Plateau in the north, and the Lanzhou Valley in the west.
The altitude of the Loess Plateau is generally 1000 1300 meters, the terrain is undulating, the slope is steep and the ditch is deep, the ground slope of the gully is 15 20 degrees, the valley area accounts for 40 50%, the channel density is 3 5 kilometers square kilometers, and the cutting depth is more than 100 meters;
Below Mengjin enters the North China Plain with low terrain, the altitude is not more than 50 meters, the river channel is flat after entering the downstream, the average ratio of the flat cavity field is only rotten round, the water flow becomes slow, a large amount of sediment is silted, and the riverbed is 4 5 meters above the ground; Due to the diversion of the Yellow River many times, the fan-shaped paleoriverbed and paleonatural embankments have been alluvial on the ground, and it has become an inclined plain with alternating distribution of slow hills and depressions, and the depressions are relatively open and flat.
There are many reasons for the water pollution in the Yellow River Basin, which can be summarized as follows. (1) Some large and medium-sized cities in the basin are located near the river, and some large industrial and mining enterprises are also distributed along the river. At the beginning of the 90s, the urban population in the basin was 20 million, of which more than 2 3 were concentrated in these cities and workers.
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Yellow River: With a total length of 5,464 kilometers and a basin area of 752,443 square kilometers, it is the second largest river in China after the Yangtze River. Because the middle section of the river flows through the Loess Plateau region of China, it carries a large amount of sediment, so it is also known as the river with the most sediment content in the world. >>>More