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Uncertainty analysis of vicarious radiometric calibration of optical sensor using a Monte Carlo statistical approach
Author(s): Yaokai Liu; Lingling Ma; Ning Wang; Yonggang Zhao; Caixia Gao; Chuanrong Li; Lingli Tang
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Paper Abstract

In this study, a Monte Carlo statistical approach based on radiative transfer simulation is presented to determine the uncertainty of the absolute vicarious calibration of optical sensor. The uncertainties associated with the aerosol optical thickness at 550 nm (AOT@550 nm), columnar water vapor, surface reflectance (radiometric calibration of ground spectroradiometer and bidirectional reflectance distribution), water vapor content, solar irradiance, radiative transfer model and so on are considered in our study. Preliminary results show that the overall uncertainties of the TOA reflectance in function of the spectral bands is about 3.5% to 5% from 500nm to 900nm.

Paper Details

Date Published: 9 September 2019
PDF: 4 pages
Proc. SPIE 11127, Earth Observing Systems XXIV, 111271O (9 September 2019); doi: 10.1117/12.2527979
Show Author Affiliations
Yaokai Liu, Academy of Opto-Electronics (China)
Lingling Ma, Academy of Opto-Electronics (China)
Ning Wang, Academy of Opto-Electronics (China)
Yonggang Zhao, Academy of Opto-Electronics (China)
Caixia Gao, Academy of Opto-Electronics (China)
Chuanrong Li, Academy of Opto-Electronics (China)
Lingli Tang, Academy of Opto-Electronics (China)


Published in SPIE Proceedings Vol. 11127:
Earth Observing Systems XXIV
James J. Butler; Xiaoxiong (Jack) Xiong; Xingfa Gu, Editor(s)

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