259GEOSTATS: guided interpolation
- Mar 28, 1997contours at the edges (edge effects). Recently, I talked to someone who
gets around this problem by constraining the analysis as averages over what
was expected to be homogeneous areas (polygons). Of course, the homogeneous
areas were subject to modeling and mapping errors.
I'm interested in hearing how people deal with edges during surface
modeling (short of cropping out the edges, designating homogeneous polygons
or making assumptions about outliers). [i.e. assume you need to interpolate
a surface over a given area, but you only have data within that area]
Also, I've heard of constraining/tying rainfall to elevation during
interpolation (Hutchinson's work). Have others used ancillary data to
constrain their surfaces?
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