【摘要】 根据河北省 2 0 0 0年春季发生多次扬沙与沙尘暴的事实 ,分析了本省沙尘暴的时空分布特征及成因 ,论述了本省土地沙化及沙尘暴的危害程度 ,提出了防沙止暴的对策与建议。更多还原

【Abstract】 Based on the fact that floating dust and sand devil occurred many times in Hebei province in the spring of 2000, the spatial temporal distribution and causes of sand devil in this province are analyzed The damage degree of land desertification and sand devil is discussed And the measures for sand devil control are proposed更多还原