Implementing the 1:24000 Scale NHD Model in Georgia
Information Technology Outreach Services
Process Summary
Pre-ConflationPrepare the Data
ConflationTransfer Reach Info
Post ConflationPutting it together
Database Summary
DLG-F Hydro Library
NHD_ED Library
NHDLibrary
ARCSTORM
Pre-Conflation
Hydro Data(e.g. DLG_F)
NHD Data Structure
GeometryProcesses
AttributionProcesses
Pre-ConflationGeometry Processes
ConflationWorking Unit is 10 Digit HUC
ARCEDIT
ARCVIEW
CONFLATION
QC & QCC
DATABASE
Conflation
Conflation
ConflationConflation Tools
ConflationConflation Tools
Conflation QC Tools
Conflation QC Tools
Post ConflationWorking Unit is 8 Digit HUC
NHD_EDLibrary
NHDDatabase
MultipleProgrammatic
Processes
Post ConflationWorking Unit is 8 Digit HUC
• Flip
• Level
• Routes
• Combine
• Regions
• Com_ids
• Rflow
• DUU