Which provinces are affected by dusty weather in the north?

Sandstorm weather is a disastrous weather phenomenon with strong destructive power in arid and semi-arid areas, including floating dust, sand blowing, sandstorm, strong sandstorm and super sandstorm. It may seriously damage the white environment and social economy in a short time. The high incidence areas of sandstorms in the world are Central Asia, Central Africa, North America and Australia. Most provinces in China are affected by the dusty weather in the north. Central Xinjiang, Northeast China, North China, Huanghuai, Jianghuai and northern Jiangnan have all been affected.

Sandstorm is a serious natural disaster. In recent decades, the frequency and times of sandstorms in China have also increased. The occurrence of sandstorm not only threatens people's life and property safety, but also causes serious environmental pollution. At the same time, it also has a very important impact on the global ecological environment balance and climate change. Under the condition of good vegetation coverage and heavy rainfall, no matter how strong the wind is, sandstorms will not occur. On the contrary, wind and other dynamic factors are the external causes of sandstorms. When the vegetation coverage is poor and the precipitation is low, that is, when the sandstorm is in a critical state, the dynamic factor may become the dominant factor in the generation and transportation of sandstorms, thus affecting the generation and development of sandstorms. Therefore, improving the vegetation in arid and semi-arid areas in the north is fundamental to control sandstorms.

In areas where sandstorms and natural disasters are serious, ecological protection should be carried out. Due to the limited governance capacity in China and the lack of governance conditions for large-scale desertification land, specific land can be closed for protection. Through this policy, the disturbance behavior can be greatly reduced, the vegetation structure on the surface of desertification land can not be destroyed, the ecosystem can be developed in a balanced way, and dust can be prevented. Strengthen sandstorm monitoring technology. Sandstorm monitoring is one of the important means to predict and reduce the occurrence of sandstorms. Using remote sensing technology to process information, because there are many dynamic changes in the types of sandstorms, it is necessary to evaluate and predict regularly and strengthen the research and formulation of prevention and control schemes. In practice, prevent sandstorms? 3S？ High technology is of great significance to our country. China has also provided great help in establishing information systems on resources, environment and efficient agriculture.