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Using the Network Analyst Utility with the National Hydrography Dataset
Indiana National Hydrography Dataset Improvement and Application Workshop
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Using Utility Network Analyst with NHD
Tool in ESRI ArcMap ArcView license, no extension required NHD network topology allows for analyzing waterflow Flow direction Junctions Connectivity
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Using Utility Network Analyst with NHD
Add data from the NHD geodatabase to the Map Hydrography dataset HYDRO_NET HYDRO_NET_Junctions NHDFlowline Add Other data as needed (not required)
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Using Utility Network Analyst with NHD
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Using Utility Network Analyst with NHD
Turn on the Utility Network Analyst Toolbar in ArcMap Set Network to HYDRO_NET Choose Trace Task
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Using Utility Network Analyst with NHD
Show Flow Direction From Flow menu, select Display Arrows
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Using Utility Network Analyst with NHD
Show Flow Direction Determine common ancestors Add edge flags at two or more locations Choose task Solve
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Using Utility Network Analyst with NHD
Show Flow Direction Determine common ancestors Find connected flowlines Add edge flag Choose task Solve
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Using Utility Network Analyst with NHD
Show Flow Direction Determine common ancestors Find connected flowlines Trace downstream Add edge flag Choose task Solve
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Using Utility Network Analyst with NHD
Show Flow Direction Determine common ancestors Find connected flowlines Trace downstream Find upstream accumulation Add edge flag Choose Solve
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Using Utility Network Analyst with NHD
Improving the NHD to Local Resolution Add additional flowlines Align flowlines to 2005 DOQQ imagery Improve hydrology network Better data, better analysis results
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Using Utility Network Analyst with NHD
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