In this study, when the source of the Yangtze River music is the source of music, the location is 94 degrees 35 '54 seconds, 32 degrees north latitude and 43:54 seconds 5042 meters above sea level. When it is 360.8 kilometers from Song Youyuan to Nang (Ba), from 357.6 kilometers, Tongtian River 787.7 kilometers, Jinsha River 2322.2 kilometers and Yibin 2740.6 kilometers, we usually call it 6370 or less. The river area1800,000 square kilometers, and the annual average seawater volume is about 960 billion cubic meters. The river basin is located between 90 and 45 migrants and 25 ~ 1 12 in the north latitude. Analysis and analysis show that the area exceeds1800,000 square kilometers (excluding Huaihe River), with a total land area. In the third world. It has a long history. Together with the Yellow River, it has become the cradle of the Chinese nation and nurtured generations of children. It is called "Mother River".
The Yangtze River, with a water resource of 2 million kilowatts, is the most abundant river in China. Hydropower resources are mainly concentrated in the first step, and the junction of the second and third steps and the second step, because the terrain here is steep and the water is fast. The Yangtze River is navigable for more than 280 kilometers, and the Three Gorges Dam is known as the "golden waterway".
Mississippi, Mississippi.
The fourth river is the longest and largest river in North America. Located in South America. "Mississippi River" comes from English, Mississippi, the language of Algonquin Indians. "misi" and "sipi" are big, ancient, "water", "Mississippi River" or "namely" and "old man river". The river rises in Lake Superior, Minnesota, with an altitude of 50 1 m in the northwest, Little Aita, in the south lake of the central plain, and crosses the Gulf of Mexico. The length of the originating end is 39.5km；; For example, the Missouri River, the largest tributary, is distributed along the Rocky Mountains, and its source is in the world, with a length of 6,262 kilometers, ranking fourth. The Great Lakes are near the northern and southern parts of the Gulf of Mexico, bordering the Appalachian Mountains and reaching the Rocky Mountains in the west, covering an area of 3.22 million square kilometers, accounting for about 1/8, with an area of about 250 in the north. Collected a number of east and west bank tributaries. It is long and forms a huge asymmetric toothed river, and the estuary is rich in water and close. The annual average flow rate is 1.88 million cubic meters per second.
North of the Mississippi River, the basin area where its main tributaries converge is the third largest river in the world (about 3 10/00000 square kilometers (65438+200000 square miles)). As a highly industrialized country, the central artery has become one of the busiest commercial waterways in the world. The river flows northward to some of the most fertile farmland cultivated by human beings, and now it is completely controlled. The river basin includes all or part of 3/kloc-0 states in the United States and two provinces in Canada. The Mississippi River has two tributaries-the Ohio River in the west and the Missouri River in the east. The source of the Mississippi River is Lake Eyre (Lake Tahe) in Minnesota. At first, it was a trickle of Itasca flowing south.
In the view of geologists in the lower reaches of the Mississippi River, it is a typical sediment deposition of a long and winding river. On the floodplain of this river, numerous bends have been formed, leaving many winding remains, bow lakes, yoke swamps and lakes.