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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.
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.
The Earth Suspended River (地上悬河 [1] is located in the lower reaches of the Yellow River, which is a world-famous geographical landscape. Also known as 'the raised bed river', its bed is more than 3 metres higher than the ground. In some places, the water level is even about 10 metres higher than the ground.
The river, flowing through the Loess Plateau, has been notorious since ancient times for its high sediment content and its propensity to flood and change course. Simple construction of riverbanks to prevent flooding would lead to sediment accumulation, creating an elevated river in downstream areas. [1]
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).
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The Yellow River Delta is formed as the Yellow River flows into the Yellow Sea. The Yellow River flows through the Loess Plateau and carries large amounts of sediment. Until 1998, the Yellow River Delta was expanding, but it has been decreasing ever since. [24] Many dams have been constructed on the Yellow River and are starving the coastline ...
Provincial boundaries. The Loess Plateau is shaded. The Yellow River is colored blue. The yellow area is Inner Mongolia and Ningxia. The Ordos Plateau, also known as the Ordos Basin or simply the Ordos, is a highland sedimentary basin in parts of most Northern China with an elevation of 1,000–1,600 m (3,300–5,200 ft), and consisting mostly of land enclosed by the Ordos Loop, a large ...