本文利用Mie散射理论,计算出单个球形粒子的消光效率因子Qext,分析它随半径r变化的特性.利用消光效率因子计算出Junge型气溶胶消光系数与波长的关系,并算出Deirmendjian型气溶胶的5种波长消光系数比值表(波长分别为355 nm、532 nm、683 nm、1064 nm、1560 nm),根据此表就可拟合出气溶胶的尺度谱.
参考文献
[1] | Zhang Chenchang, Zhou Wenxian. Atmosphere Aerosol (大气气溶胶教程) [M]. Beijing: Meteorologic Press, 1995.(in Chinese). |
[2] | Sun Jingqun. Atmosphere Detection by Laser (激光大气探测) [M]. Beijing: Science Press, 1986. (in Chinese). |
[3] | Yan Jixiang, Gong Shunsheng, Liu Zhishen. Lidar in Environmental Monitoring (环境监测激光雷达) [M]. Beijing:Science Press, 2001. (in Chinese). |
[4] | Sun Jinqun, Zhang Haifu. Remote measurement of atmospheric aerosol size distribution using lidar [J]. Acta Meteorologica Sinica, 1982, 40(4): 483-489. |
[5] | Bohren C F, Huffman D R. Absorption and Scattering of Light by Small Particles [M]. John Wiley & Sons, Inc.,1983. 57-106. |
[6] | Pu Qing, Hideaki N, Yasuhiro S, et al. Numerical simulation of the retrieval of aerosol size distribution from multiwavelength laser radar measurements [J]. Appl. Opt., 1989, 28(24): 5259-5265. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%