Based on the analysis of historic data of sandstorm and Total Suspended Particles in A La Shan area, the law, causes and sources of sandstorm in this area were discussed,and the effective measures were put forward.

• 通过对阿拉善地区沙尘暴历史资料的分析和对该地区大气环境空气质量总悬浮颗粒物年变化规律及沙尘暴发生期间的TSP数据分析。 统计分析了该地区沙尘暴形成规律 ,发生原因 ,追踪沙尘暴源地 ,提出有效防治对策 ,控制来自环境的沙尘源