The method that numerical characterizing the aerosol direct radiative forcing(DARF)based on the combination of optical parameter and radiative transfer model is one of the efficient ways for the research of aerosol radiative properties and climate effect.Satellite-based classification model was used in the study to analyze the aerosol type and corresponding proportion over Taipei region,and then uses the SBDART model and the data provided by AERONET site located at the region to further analyze the DARF under different time scales and atmospheric background condition.The results show that:During the research period,DARF in the Taipei area exhibited significant seasonal variations,with high values in summer and low values in winter.The DARF values were to some extent governed by particle types,with urban industrial aerosols being the main contributors to high DARF.
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