ellipsoidalDis {RLeafAngle}

Compute the ellipsoidal distribution of leaf zenith angle.

Description

Compute the ellipsoidal distribution of leaf zenith angle.

Usage

ellipsoidalDis(lambda)

Arguments

lambda

The parameter of ellipsoidal function.

Value

The ellipsoidal distribution of leaf zenith angle.

Author(s)

Wei-Min Wang (wmwang AT gmail.com)

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.

Examples

sDis<-ellipsoidalDis(1)
plot(c(4.5, 13.5, 22.5, 31.5, 40.5, 49.5, 58.5, 67.5, 76.5, 85.5), sDis, 
xlab=expression(Leaf~zenith~angle~~(""^"o")), ylab="Leaf area freqency")