中文摘要：

新疆艾比湖流域是我国风沙活动多发的典型区域。在研究该区域近50年气象资料的基础上，总结出风沙活动的基本特征：风沙活动经历了缓慢增强，加速增强并达到极值，又缓慢减弱这三个阶段；在季节变化上，风沙活动集中在春季，夏季次之，冬季最少；风沙活动变化随降水增加而减弱。最后，针对风沙活动的灾害性影响提出相应的建议。

英文摘要：

The Ebinur Lake region is the typical area of blown - wind activity in China. In this paper, the character of blown - wind activity was concluded by using the meteorological date of the past 50 years in the Ebinur Lake region. The blown - wind activity experienced three stages ： the stage of enhance slowly, the stage of enhance clearly and reach summit and the stage of weaken slowly. The blown - wind activity was highest in spring, then in summer, and lowest in the winter. The change of blown - wind activity will be weakened with the precipitation increased. In the last, the corresponding suggestions were put forward on the catastrophic impact of the blown - wind activity.