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National atlas of the us 1 to 1,000,000 scale hydrography dataset

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Presented at the 2011 Texas GIS Forum

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  • 1. National Atlas of the UnitedStates 1:1,000,000-scaleHydrography DatasetByFlorence ThompsonU.S. Geological Survey-Texas Water Science CenterU.S. Department of the InteriorU.S. Geological Survey
  • 2. 2 million-scale to 1 million-scale
  • 3. Why 1:1,000,000 scale?Global North UnitedMap America States
  • 4. Why Hydrography?
  • 5. Waterbodies, Coastlines,Streams, Streamgages
  • 6. Four National Shapefiles
  • 7. 21 Regional NetworkedGeodatabases
  • 8. Web Map Services
  • 9. Primary source: NHD 100K data in222 subregions
  • 10. Stream Selection and Generalization
  • 11. Waterbody Selection andGeneralization100K1M
  • 12. Streamgages
  • 13. Coastlines
  • 14. Data Integration: Streams andCoasts
  • 15. Data Integration: Streams and Roads
  • 16. International Cooperation National Atlas of the United States® U.S. Geological Survey Instituto Nacional de Estadística, Geografía e Informática (INEGI) Natural Resources Canada Earth Sciences Sector Commission for Environmental Cooperation (Canada, Mexico, US) IBWC- International Boundary and Water Commission (Mexico-US) IBC- International Boundary Commission (Canada-US)
  • 17. Canada-US Border
  • 18. Mexico-US Border
  • 19. Regional Hydrologic Network
  • 20. Trace upstream based on gage data
  • 21. Trace downstream based on gagedata
  • 22. Cartography
  • 23. Map Maker
  • 24. Ideas for New Base Map Series Last set of small scale base maps was created 50 years ago. 1M hydro, transportation, populated places, boundaries, terrain and land cover Regional GeoPDF maps National base map web services at multiple scales Files and templates in production format (AI) Templates for future wall maps
  • 25. Water Watch
  • 26. Link Water Watch to 1M Gages
  • 27. Drop of Water
  • 28. Summary National Atlas 1:1,000,000-scale U.S. Hydrography Dataset Four national shapefiles, 21 regional geodatabases, a WMS  Streams  Waterbodies  Gages  Coasts Aligned with US transportation features, state and county coastal boundaries, and international borders Aligned with hydrographic data in Canada and Mexico Cartographic and hydrologic uses Global, continental, and national uses Available in the near future at the National Atlas website : www.nationalatlas.gov