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Proceedings Paper

Comparison between the spectral diffuse attenuation coefficients and the IOP parameters
Author(s): Zhihua Mao; Yan Zhou; Haiqing Huang; Yan Bai
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Paper Abstract

The spectral diffuse attenuation coefficients of downward irradiance (Kd) and upward radiance (Ku) are calculated from a profiler spectrometer measured data. Both Kd and Ku are the parameters of apparent optical properties (AOP) and need to be normalized according to the position of the Sun and sky conditions. Three kinds of sky indices are used to indicate the atmospheric conditions of clear, overcast and partly cloudy at the time of measurements. The values of normalized Kd can be compared with the sums of total absorption and backscattering coefficients. The total values from both measured data and the models fit the normalized Kd with the correlation coefficients of 0.85 and 0.81, respectively. The accuracy of Kd is also evaluated by the spectral root mean square error (RMSE) less than 0.15 m-1 in the spectral range from 450 to 700 nm.

Paper Details

Date Published: 19 December 2008
PDF: 9 pages
Proc. SPIE 7150, Remote Sensing of Inland, Coastal, and Oceanic Waters, 71500C (19 December 2008); doi: 10.1117/12.804814
Show Author Affiliations
Zhihua Mao, State Oceanic Administration (China)
Yan Zhou, Marine Monitoring and Forecasting Ctr. of Zhejiang Province (China)
Haiqing Huang, State Oceanic Administration (China)
Yan Bai, State Oceanic Administration (China)

Published in SPIE Proceedings Vol. 7150:
Remote Sensing of Inland, Coastal, and Oceanic Waters
Robert J. Frouin; Serge Andrefouet; Hiroshi Kawamura; Mervyn J. Lynch; Delu Pan; Trevor Platt, Editor(s)

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