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Determination of tropospheric aerosol characteristics by spectral measurements of solar radiation using a compact, stand-alone spectroradiometer

机译:使用紧凑型独立光谱辐射计通过太阳辐射的光谱测量来确定对流层气溶胶特征

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摘要

We developed a method for characterizing atmospheric properties from ground-based, spectral measurements of direct and scattered solar radiation under clear sky conditions. A compact spectroradiometer is employed for radiation measurement in the wavelength range between 350 and 1050 nm with a resolution of 10 nm. Spectral matching of measured and simulated spectra yields a set of optical parameters that describe optical characteristics of tropospheric aerosols. We utilize the radiative transfer code MODTRAN4 for constructing realistic atmospheric models. Details of the system calibration, analysis procedure, and the results of its performance test are described.
机译:我们开发了一种方法,用于通过在晴朗的天空条件下对直接和散射太阳辐射的地面光谱测量来表征大气特性。紧凑型分光辐射计用于在350至1050 nm之间的波长范围内以10 nm的分辨率进行辐射测量。测量和模拟光谱的光谱匹配会产生一组光学参数,这些参数描述了对流层气溶胶的光学特性。我们利用辐射转移代码MODTRAN4来构建现实的大气模型。描述了系统校准,分析程序及其性能测试结果的详细信息。

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