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Spectral Aerosol Transmittance in the Ultraviolet and Visible Spectra in Athens, Greece

机译:希腊雅典紫外线和可见光谱中的光谱气溶胶透射率

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摘要

This work investigates the spectral atmospheric transmittance due to aerosols in the urban environment of Athens during a period of one year. The spectral transmittance due to aerosols is derived using measurements of spectral direct-beam solar irradiance in the 310–575 nm spectral band. This derivation is accomplished by using a radiative transfer model for estimating the partial spectral atmospheric transmittance functions due to Rayleigh scattering, and absorption by ozone, nitrogen dioxide and water vapor. The seasonal and diurnal variation of the aerosol transmittance is investigated and the results are discussed with a view to air pollution sources, meteorological factors and topographic characteristics of the Athens basin.
机译:这项工作调查了一年中雅典城市环境中由于气溶胶引起的光谱大气透射率。气溶胶产生的光谱透射率是通过测量310-575 nm光谱带中的直接光束太阳辐照度得出的。该推导是通过使用辐射传递模型来完成的,该模型用于估计由于瑞利散射以及臭氧,二氧化氮和水蒸气的吸收而引起的部分光谱大气透射率函数。研究了气溶胶透过率的季节和昼夜变化,并从雅典盆地的空气污染源,气象因素和地形特征的角度讨论了结果。

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