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