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Relationship Between Forest Canopy Interception and Rainfall of Sharptooth Oak Forest

Tang Zhen (Dept. of Forest Resource Protection, NWFC, 712100)  
Describes the rainfall above forest canopy, rainfall through forest canopy and stem flow of sharp-tooth oak ( Quercus aliena var. acuteserrata Maxim. ) forest and rainfall in shrubbery. In intermediate cutted forest, reserved forest and the shrubbery, the rate of rainfall through forest canopy is 91%, 80%, 87% and the rate of forest canopy interception is 7%, 14%, 13% respectively. In the first two forests, the rate of stem flow is 2% and 6% respectively. The forcast models of forest canopy interception, rainfall under tree crown and open air rainfall have also been established according to parameters with practical hydrological meanings.
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