典型类型气溶胶散射特性的计算分析
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摘要
利用云和气溶胶粒子光学特性软件包,对陆地型、海洋型和极地型三种、九类典型气溶胶粒子的散射光学特性进行了数值分析,对比分析了每种类型不同成分对气溶胶粒子体系散射特性的影响,建立了气溶胶散射光学厚度与激光波长、相对湿度的定标关系。对不同类型的气溶胶,气溶胶散射光学厚度随波长的幂指数衰减规律适用范围不同;成分的差异对气溶胶散射光学厚度随波长和相对湿度的变化规律影响较大.建立的气溶胶散射光学厚度与波长、相对湿度的定标规律,可为研究非均匀气溶胶粒子体系等效光学特性和激光工程应用提供参考和依据.
Numerical analysis of scattering properties of three types, nine kinds of aerosols such as continental,maritime and polar type was carried out based on the software package of optical properties of aerosols and clouds. The influence of different aerosol compositions of different types on the scattering properties of aerosols was analyzed. The scaling law about scattering aerosol optical depth varies with wavelength and relative humidity is established. The power-law wavelength dependence of scattering aerosol optical depth is not satisfied at all available wavelength, and different aerosol types have differently suitable wavelength range. Aerosol composition has a great influence on the wavelength and relative humidity change law of scattering aerosol optical depth. The scaling law of scattering aerosol optical depth varies with wavelength and relative humidity can provide reference for the study of the equivalent optical properties of non-uniform aerosol particles and laser engineering applications.
Numerical analysis of scattering properties of three types, nine kinds of aerosols such as continental,maritime and polar type was carried out based on the software package of optical properties of aerosols and clouds. The influence of different aerosol compositions of different types on the scattering properties of aerosols was analyzed. The scaling law about scattering aerosol optical depth varies with wavelength and relative humidity is established. The power-law wavelength dependence of scattering aerosol optical depth is not satisfied at all available wavelength, and different aerosol types have differently suitable wavelength range. Aerosol composition has a great influence on the wavelength and relative humidity change law of scattering aerosol optical depth. The scaling law of scattering aerosol optical depth varies with wavelength and relative humidity can provide reference for the study of the equivalent optical properties of non-uniform aerosol particles and laser engineering applications.
引文
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[15]Rao Ruizhong.Modern Atmospheric Optics[M].Beijing:Science Press,2012:149(in Chinese).饶瑞中.现代大气光学[M].北京:科学出版社,2012:149.
[16]Sun Junying,Zhang Lu,Shen Xiaojing,et al.A review of the effects of relative humidity on aerosol scattering properties[J].Acta Meteorogica Sinica,2016,74(5):672-682(in Chinese).孙俊英,张璐,沈小静,等.大气气溶胶散射吸湿增长特性研究进展[J].气象学报,2016,74(5):672-682.
[2]Li Zhenzhen,Huang Yinbo.Scaling law about aerosol absorption optical depth of typical types[J].High Laser and Particle Beams,2015,27(1):011005(in Chinese).李珍珍,黄印博.典型类型气溶胶吸收光学厚度的定标规律[J].强激光与粒子束,2015,27(1):011005.
[3]Liu Yafeng,Huang Chaojun,Lou Benzhuo.Numerical calculation of aerosol optical properties based on infrared band[J].Infrared and Laser Engineering,2012,41(6):1605-1609(in Chinese).刘亚锋,黄朝军,娄本浊.红外波段气溶胶粒子光学特性的数值计算[J].红外与激光工程,2012,41(6):1605-1609.
[4]Zhang Xiaolin,Huang Yinbo,Rao Ruizhong.Validity of effective medium theory in light scattering of compact internal-mixed particles[J].Infrared and Laser Engineering,2014,43(5):1477-1483(in Chinese).张小林,黄印博,饶瑞中.有效介质理论对致密内混合粒子光散射适用性[J].红外与激光工程,2014,43(5):1477-1483.
[5]Huang Yinbo,Wang Yingjian.Effect of the measurement errors of atmospheric parameters on the laser propagation effects[J].High Power Laser and Particle Beams,2006,18(5):720-724(in Chinese).黄印博,王英俭.激光传输大气参量测量精度要求的数值分析[J].强激光与粒子束,2006,18(5):720-724.
[6]Eidels-Dubovoi S.Aerosol impacts on visible light extinction in the atmosphere of Mexico City[J].Science of the Total Environment,2002,287:213-220.
[7]Rao Ruizhong.Numerical analysis of light scattering by randomly oriented cubic particles[J].Acta Physica Sinica,1998,47(11):1790-1797(in Chinese).饶瑞中.随机取向立方粒子光散射的数值分析[J].物理学报,1998,47(11):1790-1797.
[8]Zhao Hujia,Ma Yanjun,Wang Xuxin,et al.Optical characteristics of aerosol in autumn of 2010over Anshan[J].Journal of Meteorology and Environment,2012,28(4):55-62(in Chinese).赵胡笳,马雁军,王绪鑫,等.2010年秋季鞍山气溶胶光学特征变化[J].气象与环境学报,2012,28(4):55-62.
[9]Hess M,Koepke P,Schult I.Optical properties of aerosols and clouds:The software package OPAC[J].Bulletin of the American Meteorological Society,1998,79(5):831-844.
[10]Ke Zongjian,Tang Jie,Wang Bingzhong,et al.Primary analysis of application results of integrating nephelometers in dust storm monitoring network experiment[J].Meteorological Science and Technology,2004,32(4):258-262(in Chinese).柯宗建,汤洁,王炳忠,等.积分浊度计在沙尘暴监测网试验中应用分析[J].气象科技,2004,32(4):258-262.
[11]Xu J,Bergin M H,Yu X,et al.Measurement of aerosol chemical,physical and radiative properties in the Yangze delta region of China[J].Atmospheric Environment,2002,36(2):161-173.
[12]Ke Zongjian,Tang Jie.An observation study of the scattering properties of aerosols over Shangdianzi,Beijing[J].Chinese Journal of Atmospheric Sciences,2007,31(3):553-559(in Chinese).柯宗建,汤洁.北京上甸子秋冬季大气气溶胶的散射特征[J].大气科学,2007,31(3):553-559.
[13]Yan Peng,Pan Xiaole,Tang Jie,et al.An experimental study on the influence of relative humidity on the atmospheric aerosol scattering coefficient at an urban site in Beijing[J].Acta Meteorologica Sinica,2008,66(1):111-119(in Chinese).颜鹏,潘小乐,汤洁,等.北京市区大气气溶胶散射系数亲水增长的观测研究·[J].气象学报,2008,66(1):111-119.
[14]Qi Bing,Du Rongguang,Xu Honghui,et al.An observational study on aerosol scattering properties in urban site of Hangzhou[J].Plateau Meteorology,2014,33(1):277-284(in Chinese).齐冰,杜荣光,徐宏辉,等.杭州市区大气气溶胶散射特性观测分析[J].高原气象,2014,33(1):277-284.
[15]Rao Ruizhong.Modern Atmospheric Optics[M].Beijing:Science Press,2012:149(in Chinese).饶瑞中.现代大气光学[M].北京:科学出版社,2012:149.
[16]Sun Junying,Zhang Lu,Shen Xiaojing,et al.A review of the effects of relative humidity on aerosol scattering properties[J].Acta Meteorogica Sinica,2016,74(5):672-682(in Chinese).孙俊英,张璐,沈小静,等.大气气溶胶散射吸湿增长特性研究进展[J].气象学报,2016,74(5):672-682.