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ArcHydro Flowlines and Catchment Size

Question asked by nkitzrow on Jul 25, 2014
Latest reply on Jul 26, 2014 by Dan_Patterson

When going through the steps to create flowlpaths and catchments for a drainage area on the computer that I use, GIS gives me very large catchment areas and very few flowpaths. I have adjusted most of the numbers in the steps to try and get the sizes and amounts to change but I get no differences. Weird thing is that if I do the same steps on a different computer in the office using the same values, I get the correct small catchment sizes and large number of flowpaths that I am looking for.  Also, this other computer lets me manipulate the numbers in the steps to adjust the sizes if I need to.

 

Is there an options setting in GIS that I need to change to get the sizes/numbers I am looking for?

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