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The large amount of mud and sand discharged into the river makes the Yellow River the most sediment-laden river in the world. The highest recorded annual level of silts discharged into the Yellow River is 3.91 billion tons in 1933. The highest silt concentration level was recorded in 1977 at 920 kg/m 3 (57.4 lb/ft 3).
The Yellow River carries more sediment than any other in the world. [1] [2] During the 18 months after the river was closed, 1.8 billion metric tons of sediment had accumulated in the reservoir. Only 7% of the sediment-load was released downstream and the reservoir lost 17% of its capacity below a 335 m (1,099 ft) ASL elevation.
Rivers with an average discharge of 5,000 m 3 /s or greater, as a fraction of the estimated global total.. This article lists rivers by their average discharge measured in descending order of their water flow rate.
The Yellow River transports an order of magnitude more sediment than it did prior to widespread cultivation of the loess plateaus in northern China, about 2400 years ago. One implication of this large increase in the sediment discharge of Asian rivers has been the increased shoreward accretion of some deltaic areas over the past several ...
The amount of matter carried by a large river is enormous. It has been estimated that the Mississippi River annually carries 406 million tons of sediment to the sea, [5] the Yellow River 796 million tons, and the Po River in Italy 67 million tons. [6] The names of many rivers derive from the color that the transported matter gives the water.
Low water levels in the Yellow River, exacerbated by increased farming inland, began to dry up the wetlands in the mid-1980s, although management actions since then seek to alleviate this pressure. [2]: 3 [7] A Yellow River Protection Law came into force in 2023 to regulate water use along the entire river.
In some places, the water level is even about 10 metres higher than the ground. The Yellow River is known for being sandy with very high sediment concentration. The reasons are the ascent of this reach is not big, both sides of the river are open, and the current is gentle too. Above all, the sand deposits constantly in the bed.
The Loess Plateau is a plateau in north-central China formed of loess, a clastic silt-like sediment formed by the accumulation of wind-blown dust. It is located southeast of the Gobi Desert and is surrounded by the Yellow River. It includes parts of the Chinese provinces of Qinghai, Gansu, Shaanxi and Shanxi. [4]