Have an interesting problem at work, and wonder if anyone has an idea on how
to best approach it:
I have an aquifer with about 680 groundwater wells. I have annual well
production for these well which vary from small residential wells to large
municipal wells. I want to determine areas at risk from drawdown. I don't
know the radius of influence or drawdown cones for the wells - only their
production and location. My idea is that areas with a high well density
coupled with high production will be at risk - for example, a high density
of residential wells may be more significant than a lone high production
municipal well. Any ideas on how to approach this problem. I have thought
about creating theissen polygons for each well to determine an area for each
well, and therefore calculate a m3/year / sq. km of area assigned to the
well (discharge / unit area). This works ok, but I wonder is there is a
better way to explore this problem with IDW or natural neighborhood
analysis? Any ideas??
Forest Pearson, Engineering Geologist, EIT
[EMAIL PROTECTED]
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