The aerosol concentration and particle-size distribution during sand-dust storm processes during 2001 in Lanzhou city at leeward and Wuwei city at windward are analyzed in this paper.

• 分析了2001年沙尘暴期间兰州与靠近沙尘源区的武威的沙尘浓度和粒径分布特征,并运用对数正态分布规律拟合了沙尘粒径的分布。