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Contour water quality parameter around headland

Question asked by DouglasHersh on Jan 22, 2014
Latest reply on Jan 23, 2014 by DouglasHersh
I am new to these forums. Pretty new to ArcGIS too. I apologize in advance if the following question has already been answered.

I need to produce contour maps of sparsely sampled, water quality data (e.g. chlorophyll, bacteria) for an area with a complex coastline that includes islands and headlands. It is important that measured values on one side of a peninsula do not "leak" under the land to the water on the other side. On the other hand, I do want measurements on one side of a headland to influence points nearby (as the fish swims) on the other side of the headland. I don't expect a simple canned solution, but I imagine someone can describe the workflow that would get me there or point me to sources describing how this might be done. I would prefer not to use arbitrary, hand-drawn, line-of-sight barriers as that would be susceptible to artistic license.

Thank you for your help.

- Doug