大气与环境光学学报, 2007, 2 (6): 0409, 网络出版: 2010-05-21   

典型地区大气光学湍流测量与模式研究

Measurement and Modeling of C(2,n) at Typical Regions in China
作者单位
中国科学院安徽光学精密机械研究所,安徽 合肥 230031
摘要
在东南沿海地区、合肥地区和西北干旱地区进行了常规气象参数和光学湍流的测量。从地域气候上分析三个实验点所具有的典型特征。分析了不同下垫面对近地面光学湍流强度的影响,提出了近地面和高空光学湍流估算方法,并探讨了光学湍流的预报模式。Bulk方法可用于估算陆地和海面上的C(2,n)。通过对输入参数进行适当调整,近地面湍流预报模式估算结果和实际测量结果在量级和变化趋势上较为一致。可以用常规气象参数估算光学湍流廓线,合肥上空的光学湍流可以用Hufnagel模式进行拟合。
Abstract
The meteorologic parameters and atmospheric optical turbulence of three representative regions,southeast coast, Hefei zone, and northwest desert in China were measured. The typical characteristics of three measurement sites were analyzed on terrain and climate. The effects of different grounds on atmospheric surface layer turbulence were discussed. The estimating methods of atmospheric surface layer and free atmospheric turbulence were presented, and the optical turbulence forecast model was also considered. Bulk method has capability to estimate both over land and over sea. Comparison of C(2,n) measured and modeled and modeled can give consistent results after adjusting initial input data. The meteorologic parameters can estimate C(2,n) profiles.The free atmospheric optical turbulence of Hefei can be fitted by Hufnagel model.

吴晓庆, 孙刚, 翁宁泉, 肖黎明, 许利明, 吕玮煜, 徐安伦, 聂群. 典型地区大气光学湍流测量与模式研究[J]. 大气与环境光学学报, 2007, 2(6): 0409. WU Xiao-qing, SUN Gang, WENG Ning-quan, XIAO Li-ming, XU Li-ming, Lü Wei-yu, XU An-lun, NIE Qun. Measurement and Modeling of C(2,n) at Typical Regions in China[J]. Journal of Atmospheric and Environmental Optics, 2007, 2(6): 0409.

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