svi | R Documentation |
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.
svi(x)
x |
A raster or matrix. |
A numeric value representing the valley fluid retention index.
# import raster image
data(normforest)
normforest <- terra::unwrap(normforest)
# determine the valley fluid retention index
Svi <- svi(normforest)
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