Why is there a big sandstorm in Inner Mongolia?

1, Inner Mongolia Plateau is relatively flat. After Siberian cold air entered China, the wind in this relatively flat area gradually recovered, which has a strong driving force for sand blowing.

2. A large area of desert and desertified land exists. There are a large number of desertified lands and deserts in this area, and these lands and deserts reserve a large number of carrying materials.

Most areas are located in arid and semi-arid areas. Most of the Inner Mongolia Plateau belongs to semi-arid zone, with scarce rainfall, and the annual precipitation is far less than evaporation. In winter and spring, the rain in this area is more scarce and there is no vegetation cover. Desertified land is exposed on the surface, and sand grains are easily caught in the air.

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