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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.
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).
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.
Water levels remain high from December to March due to sea ice floes impeding discharge. [1]: 1 The water in the river has a pH of 8.0-8.3, a total hardness of 2.16-5.56, and a mineral intensity of 0.2–0.6 grams per litre (7.2 × 10 −6 –2.17 × 10 −5 lb/cu in). Underground water is also salty with high levels of mineral intensity.
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.
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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]
Today's Wordle Answer for #1275 on Sunday, December 15, 2024. Today's Wordle answer on Sunday, December 15, 2024, is FUNKY. How'd you do? Next: Catch up on other Wordle answers from this week.