Where is the source of the Yangtze River? Where is the source of the Yangtze River?

The old source of the Yangtze River: Tuotuo River.

The water systems in the headwaters of the Yangtze River include the Chumaer River system, the Tuotuo River system and the Dangqu River system. Among them, the Tuotuo River is the source of the Yangtze River Water Conservancy Commission. In September 2008, the scientific expedition team did not focus on the water system due to the small volume of the Chumar River and the interruption of the flow in winter, but focused on the Tuotuo River and Dangqu water systems.

Yangtze River Zhengyuan: Dangqu.

In September 2008, the field investigation and observation showed that the flow of Dangqu River is equivalent to four times the volume of the Tuotuo River, and the length is longer than that of the Tuotuo River, in addition, the area of the Dangqu River Basin is square kilometers, while the area of the Tuotuo River Basin is only one square kilometer. Therefore, on July 14, 2009, the expert review committee determined that the source of the Yangtze River was changed to Dangqu according to the criteria and methods for determining the source.

The source of the Yangtze River is in Mafei Jiri Township, Amdo County, Qinghai Province. The Yangtze River originates from the Gradan Winter Snow Mountain, the main peak of the Tanggula Mountains in the southern part of Qinghai Province, and its source is the Tuotuo River. Gradandong Snow Mountain is located in Mafei Jiri Township, Amdo County, Qinghai Province.

At present, the source of the Yangtze River is located in the hinterland of the Qinghai-Tibet Plateau near the Tanggula Mountains, the Yangtze River has three sources, the southern source is Dangqu, the northern source is the Chumaer River, and the western source is the Tuotuo River. It is generally believed that the Tuotuo River is the source of the Yangtze River, and the main streams of the Yangtze River start from the Tuotuo River to the downstream are the Tongtian River, the Jinsha River, the Sichuan River, the Jing River and the Yangtze River. The Yangtze River has a huge amount of water and a large topographic difference in the middle and upper reaches of the Yangtze River, which is suitable for hydropower development and is the "hydropower base" of China. The middle and lower reaches of the region are flat and suitable for shipping development, and are China's "best waterway".

The Yangtze River is the most abundant river in China, with a total water resource of 961.6 billion cubic meters, accounting for about 36% of the country's total river runoff and 20 times that of the Yellow River. It ranks third in the world after the Amazon River and the Congo River (Zaire) in the equatorial rainforest. The Paraná-La Plata River in South America and the Mississippi River in North America, which are similar to the latitude zone of the Yangtze River basin, have far less water than the Yangtze River, the former being about 70% of the Yangtze River and the latter about 60% of the Yangtze River.

Due to the large population of the basin, the per capita water share is 2,760 cubic meters, which is only 1 4 of the world's per capita share. The characteristics of water resources in the Yangtze River are mainly reflected in the temporal and spatial distribution of river runoff, and the surface water resources in the basin account for 99% of the total water resources. River runoff accounts for more than 96% of surface water resources. River runoff during the flood season generally accounts for 70% to 75% of the annual runoff.

The regional distribution of runoff is also uneven, with the Jinsha River and Hanjiang River systems being the least water producers, and the Poyang Lake and Dongting Lake systems being the largest.

The Yangtze River is 6,380 kilometers long, and it is the third largest river in the world, and its source is located in the southern part of Qinghai Province. In 1979, it was discovered that the source of the Yangtze River was the Tuotuo River.

Between the source of the Yangtze River and Yichang City, Hubei Province, it is the upper reaches, and there are many rapids; Yichang to Hukou County, Jiangxi Province is the middle reach, with developed meandering currents and many lakes (Poyang Lake is the largest, followed by Dongting Lake); The lake mouth is downstream to the estuary, the river is wide, and there is Chongming Island formed by the accumulation of water at the mouth of the river. The Yangtze River is rich in water volume and water conservancy resources, and in the peak water season, the 10,000-ton wheel can pass through Wuhan, and the small ferry can go up to Yibin. The Yangtze River basin is the most densely populated and economically prosperous region of Chinese.

In"Yangtze River"Under this general name, some sections of the river have their own names. This is one of the significant differences between the Yangtze River and the Yellow River. From the source of the Yangtze River to the mouth of the Dangqu River in the south of the Yangtze River, it is commonly known as the Tuotuo River, the source of the Yangtze River, with a length of 358 kilometers; From the mouth of the Dangqu River to the mouth of the Batang River in Yushu County, Qinghai Province, it is commonly known as the Tongtian River, with a length of 813 kilometers; From the mouth of the Batang River to the mouth of the Minjiang River in Yibin City, Sichuan Province, it is commonly known as the Jinsha River, with a length of 2,308 kilometers; From Yibin City to Nanjin Pass, Yichang City, Hubei Province, commonly known as the Sichuan River, the length is 1033 kilometers.

From Zhicheng, Yidu City, Hubei Province to Chenglingji, Yueyang City, Hunan Province, this section of the river is commonly known as Jingjiang River because it flows through the ancient Jingzhou area, with a length of 337 kilometers; "Thousands of miles of the Yangtze River, the danger is in the Jingjiang River"It refers to this section, which is also the first section of the Yangtze River to enter the plain area after flowing through the mountainous and hilly areas, and the second half of the Jingjiang River is known"No makeup"called. A section of the Yangtze River near Jiujiang City, Jiangxi Province, commonly known as Chengfu, is named after the ancient name of Xunyang in Jiujiang City. The Yangtze River in Zhenjiang and Yangzhou in Jiangsu Province was called the Yangtze River in ancient times, and was named after the Yangtze River ferry port leading to Zhenjiang City in the south of Yangzhou City.

In the last years of the Qing Dynasty, the gateway of the Yangtze River was forced to open under the imperialist gunboat policy, and foreign ships sailed up from Wusongkou to the Yangtze River"yangtze river", widely circulated.

The source of the Yangtze River is in Qinghai Province.