8CAN L, KROTKOV N A, DICKERSON R R, et al. Transport and evolution of a pollution plume from northern China: a satellite-based case study [ J ]. Journal of Gop ysical Rsarc ,2010,115 : 1-11.
9WITTE J C,SCHOEBERL M R, DOUGLASS A R, et al. Satellite observations of changes in air quality during the 2008 Beijing Olympics and Paraiympics [ J]. Gop ysical Rsarc Lttrs ,2009,36 : 1-6.
10MORRIS G A, KOMHYR W D, HIROKAWA J A Balloon sounding technique for measuring SOz [ J ] Atmsopric and Ocanic Tcnology, 2010,27 < 8 ) : 1318-1330.