Simultaneous determination of aerosol size distribution and refractive index and surface albedo from radiance- Part III: Parametrization and application |
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Authors: | Qiu Jinhuan |
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Institution: | (1) Institute of Atmospheric Physics, Academia Sinica, Beijing |
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Abstract: | Based on the radiative transfer calculation results, three approximate expressions of the sky radiance in almucantar and its
increment caused by surface albedo are presented. They are simple, but accurate enough. The dependence of the fitted aerosol
scattering phase functions on refractive index is also studied, and its reasonable form is given. For Junge size distribution,
the approximate equations of the phase functions with some special scattering angles are obtained. These approximate equations
significantly simplify the retrieval algorithm of simultaneous determination of aerosol size distribution and its refractive
index and surface albedo. This method can be realized with a microcomputer, and has been used to process and analyse the experimental
data measured in Hefei of Anhui Province. |
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Keywords: | |
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