Compute a simple approximation of the flow length assuming a
constant slope
Usage
raw_flowlength_uniform(mat, slope, cell_size)
Value
A named vector of length 1 containing the flow length numerical
value
Arguments
mat
The input matrix (must be a logical matrix)
slope
The slope of the area documented by the matrix (in degrees).
cell_size
The horizontal size of a cell in the matrix (as viewed
from above).
Details
This function computes the Flowlength of a given matrix, using a
uniform approximation (the slope is constant across the whole matrix,
with maximum slope being from the top of the matrix to its bottom),
as per Rodriguez et al. (2017). See flowlength_sews for
more details.
References
Rodriguez, F., A. G. Mayor, M. Rietkerk, and S. Bautista. 2017. A null model
for assessing the cover-independent role of bare soil connectivity as
indicator of dryland functioning and dynamics. Ecological Indicators.
See Also
flowlength_sews
indictest, to test the significance of indicator values.