我国的沙尘灾害及其防治对策探讨

沙尘天气是主要发生于干旱，半干旱乃至半湿润地区的天气现象，对农业，工业，交通运输乃至人们生命财产和身体健康具有相当的危害，沙尘灾害同样是荒漠化的副产品，在我国有愈演愈烈之势,究其原因，具有自然和人为，历史和现状，当地和外来，环流和下垫面等诸多因素，针对我国沙尘灾害的特点，分布和成因，提出了相应的防治对策。

DISCUSSION ON SAND AND DIRT WEATHER DISASTERS AND PREVENTION COUNTERMEASURES

Sand and dirt weather disaster is such a weather which accured in the drought,semi-drought and semi-wetness areas.It become more and more intense and have done a great harm to agriculture,industry,traffic and people's health or life in China.Sand and Dirt weather disaster accured in China is also the byproduct of desertification.The reasons are the factors of nature and factitiousness,history and present,local and outer,circumfluent and surface and so on.Upon the feature,distribution and origin of the sand and dirt weather disaster occured in China,the corresponding prevention countermeasures have been raised.