interBeta: Compute the fraction leaf area given leaf angle intervals (in degree) and the parameters of Beta function.
Description
Compute the fraction leaf area given leaf angle intervals (in degree) and the parameters of Beta function.
Usage
interBeta(AngleLower, AngleUpper, meu, neu)
Arguments
AngleLower
The lower limit of leaf angle intervals in degree.
AngleUpper
The upper limit of leaf angle intervals in degree.
meu
One of the parameters for Beta function.
neu
One of the parameters for Beta function.
Value
Compute the fraction leaf area of Beta function.
References
Wang, W. M., Li, Z. L., & Su, H. B. (2007).
Comparison of leaf angle distribution functions: effects on extinction coefficient and
fraction of sunlit foliage. Agricultural and Forest Meteorology, 143(1), 106-122.