Specificity of Atmospheric Correction of Satellite Data on Ocean Color in the Far East |
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| Authors: | A I Aleksanin V A Kachur |
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| Institution: | 1.Institute of Automation and Control Processes, Far East Branch,Russian Academy of Sciences,Vladivostok,Russia;2.Far Eastern Federal University,Vladivostok,Russia |
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| Abstract: | Calculation errors in ocean-brightness coefficients in the Far Eastern are analyzed for two atmospheric correction algorithms (NIR and MUMM). The daylight measurements in different water types show that the main error component is systematic and has a simple dependence on the magnitudes of the coefficients. The causes of the error behavior are considered. The most probable explanation for the large errors in ocean-color parameters in the Far East is a high concentration of continental aerosol absorbing light. A comparison between satellite and in situ measurements at AERONET stations in the United States and South Korea has been made. It is shown the errors in these two regions differ by up to 10 times upon close water turbidity and relatively high aerosol optical-depth computation precision in the case of using the NIR correction of the atmospheric effect. |
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