基于Monte Carlo大气辐射传输模型的Ring效应模拟

大气与环境光学学报 ›› 2013, Vol. 8 ›› Issue (5): 354-363.

基于Monte Carlo大气辐射传输模型的Ring效应模拟

裴显, 李昂, 谢品华, 吴丰成, 王杨, 徐晋

(中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽合肥 230031)

收稿日期:2013-04-02 修回日期:2013-05-24 出版日期:2013-09-28 发布日期:2013-09-06
作者简介:裴显（1988-）, 河南人, 研究生, 研究方向为环境光学。
基金资助:
国家自然科学基金（41275038），中国科学院战略性先导科技专项（B类）(XDB05040200)，安徽省自然科学青年基金（1308085QF124）资助

Ring Effect Simulation Based on Monte Carlo Atmospheric Radiative Transfer Model

裴显, 李昂, 谢品华*, 吴丰成, 王杨, 徐晋

（Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China）

Received:2013-04-02 Revised:2013-05-24 Published:2013-09-28 Online:2013-09-06

摘要/Abstract

摘要：

Ring效应描述了由于大气的转动Raman散射导致的太阳夫琅禾费线变弱的现象，这种现象受气溶胶光学性质的影响，因此可以通过模拟Ring效应反映气溶胶状况。采用合适的大气参数带入模型，计算总光子中发生转动Raman散射的光子数的概率来衡量Ring效应的强度，并将模拟计算的Ring强度结果和MAX-DOAS系统实测的Ring效应强度进行对比，得到了较好的一致性。结果表明，通过大气辐射传输模型模拟计算Ring效应具有快速特点，在未来的工作中将结合MAX-DOAS技术，利用Ring效应模拟反演大气气溶胶状况。

关键词: Ring效应, 大气辐射传输模型, MAX-DOAS

Abstract:

Ring effect is defined as the phenomenon that the depth of solar Fraunhofer lines in scattered light is less than those observed in direct sunlight. And today it is commonly agreed that rotational Raman scattering on atmospheric molecules is the dominant source for the Ring effect. The Ring effect is affected by the optical properties of aerosol. And thus the aerosol information can be retrieved from the measured strength of the Ring effect. A novel method is presented to simulate Ring effect based on the Monte Carlo atmospheric radiative transfer model (McArtim). The average probability of photons that have undergone rotational Raman scattering RRS event is calculated under different atmospheric situations, which represents corresponding strength of Ring effect. A comparison of the results of Ring effect between simulation and measurement with MAX-DOAS shows a good agreement. The result indicates the Ring effect can be calculated rapidly with radiative transfer model. The simulation technique can be combined with the MAX-DOAS measurement to retrieve the properties of aerosols in the future.

Key words: Ring effect, atmospheric radiative transfer model, MAX-DOAS

中图分类号:

P407

裴显李昂谢品华吴丰成王杨徐晋. 基于Monte Carlo大气辐射传输模型的Ring效应模拟[J]. 大气与环境光学学报, 2013, 8(5): 354-363.

PEI Xian, LI Ang, XIE Pin-Hua, WU Feng-Cheng, WANG Yang, XU Jin. Ring Effect Simulation Based on Monte Carlo Atmospheric Radiative Transfer Model[J]. Journal of Atmospheric and Environmental Optics, 2013, 8(5): 354-363.

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