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Research on the inversion of earosol optical thickness and quality control techology by hyperspectral radiation |
Wang Mingliang1, Ji Boyan2, Shao Changliang3 |
1. Dandong Meteorological Bureau,Dandong 118000; 2. Jiangxi Atmospheric Sounding Technology Center,Nanchang 330096; 3. Meteorological Observation Center of CMA,Beijing 100081 |
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Abstract In order to reveal the aerosol optical thickness of hyperspectral radiation inversion and study its quality control technology,the author anducted research based on the fine day data from 8:00 to 16:00 on June 5,2021 in Hefei,Anhui Province,by quality control methods such as actual missing test inspection,theoretical range inspection and statistical control.The results indicated that there were no missing data during the study period.In the theoretical range,the number of removals was very small,and the removal data had temporal consistency.Statistical control could effectively eliminate the direct irradiance fluctuation value,enabling the inversion products were more accurate and reasonable.After quality control,the aerosol optical thickness of all six bands had the same trend of first increasing to the maximum value at noon and then decreasings,and the aerosol optical thickness decreased with the increase of wavelength.
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Received: 16 November 2022
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