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首页> 外文期刊>Atmospheric chemistry and physics >Technical Note: A new discrete ordinate first-order rotational Raman scattering radiative transfer model – implementation and first results
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Technical Note: A new discrete ordinate first-order rotational Raman scattering radiative transfer model – implementation and first results

机译:技术说明:一种新的离散纵坐标一阶旋转拉曼散射辐射转移模型-实施和初步结果

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Rotational Raman scattering in the Earth's atmosphere explains thefilling-in of Fraunhofer lines in the solar spectrum.A new model including first-order rotational Ramanscattering has been developed, based on a reimplementation of theversatile discrete ordinate radiative transfer (DISORT) solver in theC computer language. The solver is fully integrated in the freelyavailable libRadtran radiative transfer package.A detailed description is given of themodel including the spectral resolution and a spectral interpolationscheme that considerably speeds up the calculations. The model is usedto demonstrate the effect of clouds on top and bottom of theatmosphere filling-in factors and differential optical depths. Cloudeffects on vertical profiles of the filling-in factor are also presented. Thespectral behaviour of the model is compared againstmeasurements under thunderstorm and aerosol loaded conditions.
机译:地球大气中的旋转拉曼散射解释了太阳光谱中Fraunhofer线的填充。基于C语言的多用途离散纵坐标辐射转移(DISORT)解算器的重新实现,已开发出包括一阶旋转拉曼散射的新模型。该求解器完全集成在可自由使用的libRadtran辐射传递软件包中。给出了该模型的详细说明,其中包括光谱分辨率和光谱插值方案,可大大加快计算速度。该模型用于证明云对大气填充因子顶部和底部以及差分光学深度的影响。还介绍了对填充因子垂直剖面的云影响。将模型的光谱行为与在雷暴和气溶胶加载条件下的测量结果进行比较。

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