The high enrichment factors of pollution elements, especially As and S both in TSP and PM2.5 during DS periods indicated the mixing of mineral aerosol transported by DS with pollution aerosol emitted by pollution sources on the pathway.

• 沙尘暴期间；TSP和PM2.；5中的污染元素(尤其是As和S)的富集系数仍然很高；证明了矿物气溶胶在长距离的传输过程中与途中的污染气溶胶发生了混合。