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| Vector radiative transfer numerical model of coupled ocean-atmosphere system using matrix-operator method | |
| 作者姓名： | HE XianQiang PAN DeLu BAI Yan ZHU QianKun & GONG Fang State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography State Oceanic Administration Hangzhou China Shanghai Institute of Technical Physics Chinese Academy of Sciences Shanghai China Graduate University of Chinese Academy of Sciences Beijing China |
| 作者单位： | HE XianQiang1，2，3，PAN DeLu1，BAI Yan2，3，ZHU QianKun1 & GONG Fang1 1 State Key Laboratory of Satellite Ocean Environment Dynamics，Second Institute of Oceanography，State Oceanic Administration，Hangzhou 310012，China; 2 Shanghai Institute of Technical Physics，Chinese Academy of Sciences，Shanghai 200083，China; 3 Graduate University of Chinese Academy of Sciences，Beijing 100039，China |
| 摘 要： | A vector radiative transfer numerical model of the coupled ocean-atmosphere system is developed based on the matrix-operator method, which is named PCOART. Using the Fourier analysis, the vector radiative transfer equation (VRTE) is separated into a set of equations depending only on the observa-tion zenith angle. Using the Gaussian-Quadrature method, VRTE is finally transferred into the matrix equation solved by the adding-doubling method. According to the reflective and refractive properties of the ocean-atmosphere interface, the vector radiative transfer numerical model of the ocean and at-mosphere is coupled in PCOART. Compared with the exact Rayleigh scattering look-up tables of MODIS (Moderate-resolution Imaging Spectroradiometer), it is shown that PCOART is an exactly numerical model, and the processing methods of the multi-scattering and polarization are correct. Also, validated with the standard problems of the radiative transfer in water, it is shown that PCOART can be used to calculate the underwater radiative transfer problems. Therefore, PCOART is a useful tool for exactly calculating the vector radiative transfer of the coupled ocean-atmosphere system, which can be used to study the polarization properties of the radiance in the whole ocean-atmosphere system and the remote sensing of the atmosphere and ocean. |
| 收稿时间： | 6 September 2005 |
| 修稿时间： | 27 February 2006 |
Vector radiative transfer numerical model of coupled ocean-atmosphere system using matrix-operator method |
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| HE XianQiang,,,PAN DeLu,BAI Yan,,ZHU QianKun & GONG Fang State Key Laboratory of Satellite Ocean Environment Dynamics,Second Institute of Oceanography,State Oceanic Administration,Hangzhou ,China, Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai ,China, Graduate University of Chinese Academy of Sciences,Beijing ,China.Vector radiative transfer numerical model of coupled ocean-atmosphere system using matrix-operator method[J].Science in China(Earth Sciences),2007,50(3):442-452. | |
| Authors: | He XianQiang Pan DeLu Bai Yan Zhu QianKun Gong Fang |
| Institution: | 1. State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;Graduate University of Chinese Academy of Sciences, Beijing 100039, China 2. State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China 3. Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;Graduate University of Chinese Academy of Sciences, Beijing 100039, China |
| Abstract: | A vector radiative transfer numerical model of the coupled ocean-atmosphere system is developed based on the matrix-operator method, which is named PCOART. Using the Fourier analysis, the vector radiative transfer equation (VRTE) is separated into a set of equations depending only on the observa- tion zenith angle. Using the Gaussian-Quadrature method, VRTE is finally transferred into the matrix equation solved by the adding-doubling method. According to the reflective and refractive properties of the ocean-atmosphere interface, the vector radiative transfer numerical model of the ocean and at- mosphere is coupled in PCOART. Compared with the exact Rayleigh scattering look-up tables of MODIS (Moderate-resolution Imaging Spectroradiometer), it is shown that PCOART is an exactly numerical model, and the processing methods of the multi-scattering and polarization are correct. Also, validated with the standard problems of the radiative transfer in water, it is shown that PCOART can be used to calculate the underwater radiative transfer problems. Therefore, PCOART is a useful tool for exactly calculating the vector radiative transfer of the coupled ocean-atmosphere system, which can be used to study the polarization properties of the radiance in the whole ocean-atmosphere system and the remote sensing of the atmosphere and ocean. |
| Keywords: | vector radiative transfer numerical model coupled ocean-atmosphere system matrix-operator method adding-doubling method polarization remote sensing |
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