The lower Huang He is about 435 miles 700 km long with an average fall of about 3 inches per mile 5 cm per km.
The Yangtze, the longest river in the country, rises in the Tibetan Highlands and flows across central…. The Huang He is often called the cradle of Chinese civilization. Erosion-control measures on the Loess Plateau have reduced the silt load carried downstream. World Resources Institute. Select feedback type: Modern hydraulic engineering techniques have been applied since the 1920s, while basinwide multipurpose development efforts have been under way since the mid-1950s.
Greer Igor Vladimirovich Popov.
The Huang He freezes over in parts of its middle section for several months each winter. The Yellow River is known as the "Mother River of China" and "the Cradle of Chinese Civilization" in China, as its basin is the birthplace of the northern Chinese civilizations and the most prosperous region in early Chinese history. Breaks in the levees have been more frequent than course changes throughout history.
The flood of 1887 covered thousands of square miles, completely burying many villages under silt.
A key reason for the severity of the floods is deforestation up river and the embankment of tributaries for irrigation. Please try again later. The rate can be as much as 78,000 cubic feet 2,200 cubic metres per second in high-volume years and as little as 22,000—28,000 cubic feet 600—800 cubic metres per second in low-volume years.
Feb 12, 2019 See Article History. Ever since, the river has been a source of life and death in the form of new soil and floods.
Low-lying wetlands, especially in the delta area, are important stopover points for migrating waterfowl and other bird species, including scaly-sided Chinese mergansers Mergus squamatus and rare red-crowned cranes Grus japonensis —both species endangered, particularly by loss of habitat.
In 1194 the river occupied a course running to the southern edge of the delta. Wildlife is likewise limited by both natural conditions and the intense human occupation of the land. Read this Article. Yellow River Huang He.
In addition, the greater demand for limited water resources has caused shortages, which have been severe at times and have included instances when river water did not flow to the Bo Hai. Contact our editors with your feedback. Through those loose deposits the river has cut deep valleys, carrying away with it huge quantities of surface material, making that region one of the most highly eroded landscapes in the world.
You may find it helpful to search within the site to see how similar or related subjects are covered. On the plain, levees have been strengthened and the flood-control system rationalized and integrated with reservoirs and with the Grand Canal which crosses the Huang He in western Shandong province. The broad highlands of the upper course rise 1,000 to 1,700 feet 300 to 500 metres above the river and its tributaries.