A general purpose exact Rayleigh scattering look-up table for ocean color remote sensing

作     者：HE Xianqiang PAN Delu BAI Yan GONG Fang 

作者机构：Key Laboratory of Ocean Dynamic Processes and Satellite Oceanography of State Oceanic Administration Hangzhou 310012 China Second Institute of Oceanography State Oceanic Administration Hangzhou 310012 China Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai 200083 China 

出 版 物：《Acta Oceanologica Sinica》 (海洋学报（英文版）)

年 卷 期：2006年第25卷第1期

页      面：48-56页

核心收录：

学科分类：07[理学] 0707[理学-海洋科学] 

基　　金：supported by the National Natural Science Foundation of China under contract No.40506036 the High Tech Research and Development"863"Program of China under contract No.2003AA131160-04 the Science and Technology Plan of Zhejiang Province of China under contract Nos 2004E60054 and 2004C13027 

主　　题：ocean color Rayleigh scattering look-up table radiative transfer adding-doubling method 

摘      要：The current exact Rayleigh scattering calculation of ocean color remote sensing uses the look-up table （LUT）, which is usually created for a special remote sensor and cannot be applied to other sensors. For practical application, a general purpose Rayleigh scattering LUT which can be applied to all ocean color remote sensors is generated. An adding-doubling method to solve the vector radiative transfer equation in the plane-parallel atmosphere is deduced in detail. Compared with the exact Rayleigh scattering radiance derived from the MODIS exact Rayleigh scattering LUT, it is proved that the relative error of Rayleigh scattering calculation with the adding-doubling method is less than 0.25%, which meets the required accuracy of the atmospheric correction of ocean color remote sensing. Therefore, the adding-doubling method can be used to generate the exact Rayleigh scattering LUT for the ocean color remote sensors. Finally, the general purpose exact Rayleigh scattering LUT is generated using the adding-doubling method. On the basis of the general purpose LUT, the calculated Rayleigh scattering radiance is tested by comparing with the LUTs ofMODIS, SeaWiFS and the other ocean color sensors, showing that the relative errors are all less than 0.5%, and this general purpose LUT can be applied to all ocean color remote sensors.