Abstract
Directional Brightness Temperature(DBT) of 3D row crop canopy generated by the Clumped Architecture Model of Plants(CLAMP) were calculated efficiently and accurately based on the Persistence of Vision Raytracer(POV-ray) software.Clumping index,average leaf angle and leaf area index are main parameters of CLAMP model.By analyzing the sensitivity of these parameters to DBT,the changing rules of DBT were found.The experimental results show that clumping index can effectively control the distribution of leaves.Therefore,clumping index has a great impact on the pattern of DBT distribution;average leaf angle influences the anisotropy of the results;leaf area index is the key parameter describing the crop's growth stage,which has an obvious contribution to DBT.
Published Version
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