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Analysis of Danger of Sandstorm Disasters and Construction of Security Patterns of Prevention and Control of Desertification

Yang Xingxue(Qinghai University,Xining 810016,China)  
Sandstorm is mainly a result of climate,which origin is wind.Topography,precipitation,temperature and sand resources also contribute to the development of sandstorm hazards.Zoning control on distribution of different desertified land area,scientific analysis and correct assessment of sand spread at the sandstorm season and overall design of governance program,building of security patterns of sand prevention and control can effectively prevent the spread of sand,cut off the diffusion path,and reduce harmful levels of sandstorm disasters.
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