pcl_vai {forestr} | R Documentation |
a data frame of vegetation area index (VAI)
Description
Derived from data collected at the University of Virginia Data collected August, 2016 by J. Atkins. Dervied from the calc_vai function
Usage
pcl_vai
Format
A data frame with 1120 rows:
- .id
column numbering
- xbin
x-bin position
- zbin
z-bin position
- bin.hits
number of LiDAR returns at each x- and z- bin
- sky.hits
total numer of sky hits per x column
- can.hits
total numer of canopy hits per x column
- lidar.pulses
no. of lidar pulses emitted per column
- Freq
no idea
- hit.count
total number of hits distributed through canopy
- phi
percent of saturation
- dee
percent of returns distributed
- x.counter
counting variable
- sum.dee
distributed proportion
- fee
coefficent
- cvr
cover proportion
- olai
max LAI or VAI number
- vai
calculated VAI
Source
[Package forestr version 2.0.2 Index]