基于矩阵算法建立了一个可用于模拟水体非弹性散射过程的水体辐射传输数值模型。该模型采用单个均匀介质层中辐射能量随深度增大而呈指数衰减的假设，将非弹性散射作为源矩阵算子引入到矩阵算法当中进行解算。通过Mobley水体辐射传输标准问题7的验证以及与Hydrolight 5.0结果的比较，说明该模型对多次散射和非弹性散射的处理是正确的，是一个适合于全面模拟水体各种辐射传输过程的数值计算模型。同时在该模型的基础上利用三分量模型，模拟分析了水体各成分对水体非弹性散射的影响以及非弹性散射在遥感反射率中所占的比重。分析结果表明拉曼散射只在清洁水体中对遥感反射率的贡献较大。而随着水体中黄色物质浓度和叶绿素浓度的提高，相应波段的遥感反射率中非弹性散射所占的比重不断提高，但是叶绿素和黄色物质彼此之间却是相互抑制对方的非弹性散射作用。另外悬浮泥沙对非弹性散射作用的削弱非常明显，在高浓度悬浮泥沙水体中非弹性散射过程甚至可以忽略。

A numerical radiative transfer model based on matrix-operator theory to simulate the underwater inelastic scattering is presented. The assumption that various radiant energies decrease approximately exponentially with depth in a homogeneous layer is introduced to incorporate the inelastic scattering process as a source operator to the model. Validation by the Mobley standard problem 7 of underwater radiative transfer and comparison with the results of Hydrolight 5.0 show that the processing of the multi-scattering and inelastic scattering in this model is correct. So we conclude that this model is a suitable tool for simulating all radiative transfer processes under water. Simultaneously, with three-component model, this underwater radiative transfer model is used to simulate the effect of each components of natural water on inelastic scattering and inelastic fraction in the remote-sensing reflectance. The investigation reveals that only in clear water bodies, the inelastic fraction resulted by the water Raman scattering is high. With the increasing concentration of gelbstoff and chlorophyll, the inelastic fraction increases in the relevant wavelength, but either gelbstoff or chlorophyll restrains the inelastic scattering process of each other. And suspended sediments reduce the effect of inelastic scattering significantly which is even neglected in some water with high concentration of suspended sediment.