对近十多年来发生在我国西北地区的较大沙尘暴，及其对甘肃大气背景值的影响、沙尘暴降尘的沉降量、区域分布、化学组份、粒度分布，应用卫星遥感技术监测沙尘暴和沙尘暴的危害等内容，进行了为期二年的调查、取样和研究。回答了沙尘暴研究者所关心的一些问题。 In the recent ten years, a large sandstorm happened in the northwest of our country, its influence on the atmospheric background value of Gansu Province, the sedimentation amount, the regional distribution, the chemical composition and the particle size distribution of the dust storm in the sandstorm. The application of satellite remote sensing technology to monitor the sandstorm and sandstorm Of the hazards, etc., conducted a two-year investigation, sampling and research. Answering some of the questions that sandstorm researchers care about.