Numerical Simulation of Soil-Plant-Air System

摘要: A new numerial model of plant system (leaf-stem-root) has been developed for investigating the complicated bio-meteoro-hydrological process. This considers following points, 1) water movement in plants, that is, uptake by root, transport through stem, and transpiration from leaves, 2) energy budget within canopy, 3) photosynthesis process, 4) momentum sink leaves. Using this model, we calculated response characteristics phtosynthesis to some enviromental factors (insolation, wind speed, humidity deficit soil content). The results explain essential experimental data.