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首页> 外文会议>Conference on satellite remote sensing of clouds and the atmosphere >Comparison of a pseudo-3D radiative transfer model with Monte Carlo simulations in limb-viewing geometry for the satellite instrument ODIN/OSIRIS
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Comparison of a pseudo-3D radiative transfer model with Monte Carlo simulations in limb-viewing geometry for the satellite instrument ODIN/OSIRIS

机译：对卫星仪器奥森/奥西里斯林晶型几何蒙特卡罗模拟蒙特卡罗模拟的伪辐射转移模型的比较

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摘要

A new pseudo-spherical 3-D radiative transfer model has been written to calculate radiances and weighting functions required by inversion algorithms to retrieve minor species profile and column amount information from limb measurements. Limb radiances obtained from the ODIN/OSIRIS (Optical Spectrograph and InfraRed Imager System) satellite instrument (to be launched Spring 2000) will be used to study depletion processes and transport dynamics in the Earth's atmosphere through the study of trace species. Model simulations have been carried out for a suite of tangent heights, wavelengths, tangent solar zenith and azimuthal angles and lambertian surface albedos.The effects of Rayleigh and aerosol scattering as well as ozone absorption have been modeled. Comparisons with a 3-D Monte-Carlo model show that there is generally less than 1 - 2% difference for single-scattering and less than 10% for multiple scattering radiances at a fraction of the computational cost.
机译：已经编写了一种新的伪球形三维辐射传输模型来计算反演算法所需的辐射和加权功能，以从肢体测量中检索次要物种配置文件和列量信息。从Odin / Osiris（光谱仪和红外成像器系统）获得的肢体辐射卫星仪器（2000年Spring 2000）将用于通过研究痕量物种研究地球大气中的耗尽过程和运输动力学。已经为一套切线高度，波长，切线太阳能天顶和方位角和朗伯表面Albedos进行了模型模拟。瑞利和气溶胶散射以及臭氧吸收的影响已经建模。具有3-D蒙特卡罗模型的比较表明，单次散射差异通常小于1 - 2％，对于计算成本的一小部分，多次散射辐射的单次散射和小于10％。

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