Hi there,
very good question indeed.
I have no direct answer but three more points to add:
-in virtually any GIS and software computations, SLOPE, ASPECT, IDW,
KRIGGING etc.
one will find such type of questions, and many answers and solutions. None
of them are
very clear and often not precise.
I have read Riley, S. J., S. D. DeGloria and R. Elliot (1999). A terrain
ruggedness index that quantifies topographic heterogeneity, Intermountain
Journal of Sciences, vol. 5, No. 1-4,1999, but might someone be able to
tell me how the "Ruggedness Index" calculation is performed in QGIS? In
particu
Hello,
I am interested in using the terrain ruggedness index (as part of the SAGA
install with QGIS), but would like to know which algorithm it is using and
how one can interpret the output data. The equation I see more is the Riley
one, but it would be useful with all these processes to know wha