[1] http:/www.bjee.org.cn/news/index.php ID=5552

[2] http:/www.itmm.gov.cn/hm.pdf

[3] Wu D,Tie X X,Li C C,et al.An extremely low visibility event over the Guangzhou region:a case study[J].Atmospheric Environment,2005,39:6568

[4] Song Y,Tang X Y,Fang C,et al.Relationship between the visibility degradation and particle pollution in Beijing[J].Acta Scientiae Circumstantiae,2003,23(4):468(in Chinese)[宋宇,唐孝炎,方晨,等.北京市能见度下降与颗粒物污染的关系[J],环境科学学报,2003,23(4):468]

[5] Song Y,Tang X,Zhang Y H,et al.The study of the status and degradation of visibility in Beijing[J].Research of Environmental Sciences,2003,16(2):10(in Chinese)[宋宇,唐孝炎,张远航,等.北京市大气能见度规律及下降原因[J].环境科学研究,2003,16(2):10]

[6] Tsai Y I.Urban visibility and airborne PM10 aerosol in southern Taiwan[J].J.Aerosol Sci.,2000,31,Suppl.1:895

[7] Lee Y L,Sequeira R.Visibility degradation across Hong Kong:its components and their relative contributions[J].Atmospheric Environment,2001,35:5861

[8] Ma J J,Yang S Z,Zhang Y P.Measurements and study of aerosol optical characterization over Xia men sea region[J].Journal of Quantum Electronics,2005,22:4711 (in Chinese)[麻金继,杨世植,张玉平.厦门海域气溶胶光学特性的观测研究[J].量子电子学报,2005,22:4711]

[9] Bohren C F,Huffman D R.Absorption and scattering of light by small particles[M].New York:Wiley,1983.

[10] Li F G,Yang G L,He Z J.The influence of characteristics of outer layer on light scattering by a core-shell particle[J].Laser Journal,2004,25(4):51(in Chinese)[李丰果,杨冠玲,何振江.核壳双层颗粒的外层介质对散射光的影响[J].激光杂志,2004,25(4):51]