Latest Contributions by SaraAlian

Hello, I'm trying to build a Geometric Network to run my Arc Hydro analyses on NHDPlus Data. When the process of making Geometric Network finishes Arc reports "Drainage_Net_BUILDERR" error table has been created. I checked all 10 ObjectIDs listed in the table and it seems like they are small loops/single lines attached to the rest of the stream network. I'm wondering if I should ignore the error and continue my analysis or I should remove the small loops/single lines from my analysis. Attached please see a screenshot of the table and sample error lines.  Thank you for all your help. Sara ... View more

I'm trying to find a way to accumulate some flow values along the stream network (from the inlet all the way down to the outlet across the stream catchments).. I'm working with NHDPlus V2 data ( streams and catchments) and GPS data points as my study points. All the data is in vector format. I read about ArcHydro and worked with the tool but it was confusing and not helpful. I'm wondering if you could help me finr the answer. ... View more