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State of New Jersey

State of New Jersey. NHD / WBD Stewardship Conference NJ State Steward Report. By: Craig Coutros, NJDEP. April 15, 2009. NHD Contacts. New Jersey USGS Geospatial Liaison Roger Barlow DC,DE,MD,NJ,Chesapeake Bay USGS POC Region 6 David Anderson NHD POC, Rolla, MO

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State of New Jersey

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  1. State of New Jersey NHD / WBD Stewardship Conference NJ State Steward Report By: Craig Coutros, NJDEP April 15, 2009

  2. NHD Contacts New Jersey USGS Geospatial Liaison Roger Barlow DC,DE,MD,NJ,Chesapeake Bay USGS POC Region 6 David Anderson NHD POC, Rolla, MO George Heleine NHD POC, Rolla, MO - Region 5 Principal Steward for New Jersey Larry Thornton Manager Bureau of Geographic Information SystemsTechnical POC for New Jersey Seth Hackman, GIS Specialist MOU Document: MOU signed Fall 2008

  3. Current Projects Hydrography • Statewide conflation of NHD High resolution to Local resolution • Supplement 2002 Hydrography features with 2007 Imagery • Incorporate HUC12 boundary updates WBD Update • HUC12 revision based on HUC14 - Complete Imagery • Spring 2007 Imagery 1 ft pixel – 4 bands ( Color and CIR services) Land Use / Land Cover 2007 Update • Based on Spring 2007 Imagery : QC role ( 4th update –’86,’95,’02) Statewide LIDAR • Collection dates 2006 - 2009

  4. Water Issues NJ State Agencies Utilize Water features – various sources Current Sources of Hydrography data • 1986 Hydrography USGS – dlg’s • NHD High resolution • 2002 Hydrography 1:2400 – Flowlines and Waterbodies Current Objectives • Conflation of NHD 1:24,000 to NJ features • 2002/2007 Hydrography 1:2400 – Flowlines and Waterbodies • Surface Water Quality Standards NHDLine events - reach code • Storet to WQX and to NHDPoint or events

  5. 2002 Hydrography Statistics of Change: Streams 1986 (1;24000) vs. Streams 2002 (1:2400) (no attributes)

  6. Agencies Land Use Management Land Use Regulation ProgramWater Supply AdministrationSource Water Assessment ProgramDivision of Watershed ManagementNew Jersey Geological SurveyWater Monitoring and StandardsBureau of Marine Water MonitoringBureau of Freshwater & Biological MonitoringBureau of Water Quality Standards & Assessment Natural and Historic Resources Division of Fish & WildlifeEngineering and ConstructionDam Safety SectionFlood Control SectionBureau of Coastal Engineering

  7. NJ Hydrography 2002

  8. NHD Conflation Project • Contract started January 2009 with Pilot HUC8 • - Team Civil: Civil Solutions, Data Enhancements Services • & Watershed Concepts • NJDEP Role • - Data Preparation – Coverage format, FCode crosswalk, • Subset Source, Flow check, Errors identified & fixed, NHDGCT prep to Interactive Conflation step • - Supply Vendor SourceGDB, SubsetGBD, Coverages (net24, huc_edit, nhdpt, hyd2d_fc) • - Respond to vendor questions • - QC deliverables: Reachcode checks, Table relates • - XmlExport & Xml2GDB • USGS Role • - NHD Expertise / Training • - QC Deliverables • - Upload to NHD

  9. NJ to NHD Feature Crosswalk All except

  10. Flowline FCode Crosswalk 0 - River bank/Water body (>30ft) 1 - Stream(10-30ft) 2 - River/Water Body Centerline 3 - Artificial Connector 4 - Ditch 5 - Indeterminate Wetland drainage 2002 NJDEP Stream code Current Current 0 = 56000 - Coastline only 1 = 46006 - StreamRiver 2 = 55800 - ArtificialPath 3 = 33400 - Connectors < 75’ 3 = 42803 - Pipelines => 75’ 4 = 33600 - CanalDitch 5 = 46006 - StreamRiver NHD Flowline FCode

  11. NHD Project Status

  12. Project Challenges - Subbasin Boundary changes - State Borders & SubsetGDB - Missing feature checks - NHD Structure vs NJ target data - NHDFlowline features - NHDWaterbody features - NHDArea features - GNIS feature name differences - Water level of ponds 2002 - missing - Tidal water levels - Bay / Ocean separation - Coastline shifts Future Challenges - GNIS feature updates - Water 2007 - Tidal water levels - Feature Class updates - Event Themes

  13. Contact Info: NJDEP, Bureau of GIS Website: http://www.nj.gov/dep/gis Phone: (609) 777-0672 E-mail: gisnet@dep.state.nj.us

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