[GRASS-user] Areal Interpolation with GRASS 7

Tahir Tamba tahir.tamba at gmail.com
Wed Feb 19 10:22:14 PST 2014


I like to know if Grass has the Areal Interpolation method based on the
kriging model . I'm working on a project for which we have data on the
volumes of contaminated soils. This volumes are represented by polygons
data containing estimated volumes for 4 variables used from Quebec
Environment Ministry  classification grid for contaminated soils.

However, we do not have data that characterize the whole metropolitan area
and we would like to experiment the Areal interpolation method based on
kriging for generating grid volumes interpolation  in order to transpose it
on the limits of locations  where none characterization has been performed.
We have delineated sectors for the entire metropolitan area with data for
which we want to have the volume of contaminated soils.
If Grass hasn't implemented this algorithm, is there another way using
kriging to perform this kind of task?
By searching on the subject, I found that only Geostatistical Analyst of
ESRI in recent versions include this method. Am I wrong?

Thank you for any help, cue and ideas allowing us to reach our goals.


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