GEOSTATS: Geostats from raster
being a non-geostatistician, I have two questions which may be very basic...
1) Is there any fundamental or conceptual problem associated with the
creation of semivariograms from grids/rasters? To me, it seems like a
logical thing to do but I never came across it in the literature. I can
think of some interesting applications in remote sensing. If anyone has good
references relating to this subject, I would be interested in knowing them.
2) Are there any techniques to compute the equivalent of
semi/cross-variograms from two different sampling supports covering the same
study area? i.e. without having to estimate values of one sampling grid on
the other. This could be useful, for example, in agricultural studies for
comparing values taken one year with values taken the year after.
I will summarize,
Macdonald Campus of McGill University
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