geodiv (version 1.1.0)

svi: Valley Fluid Retention Index

Description

Determines the valley fluid retention index (Svi). This value is the void volume (area under the bearing area curve) in the 'valley' zone. See Figure 2a from Kedron et al. (2018) for more details.

Usage

svi(x)

Value

A numeric value representing the valley fluid retention index.

Arguments

x

A raster or matrix.

Examples

# import raster image
data(normforest)
normforest <- terra::unwrap(normforest)

# determine the valley fluid retention index
Svi <- svi(normforest)