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NAWQA Data Warehouse Overview

Explore the USGS NAWQA Data Warehouse containing water quality data from 1991 to 2003, including chemical concentrations and samples for various constituents.

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NAWQA Data Warehouse Overview

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  1. USGS NAWQA Data Warehouse Demonstration for Advisory Committee on Water Information Herndon, VA Sept 15, 2004

  2. Questions I’ll Try To Answer • What data are in the warehouse? • How would you find out about sites? • How would you find data for constituents? • How would you download data? • What else can our website do for you?

  3. NAWQA Data Warehouse Contains: • Data from 1991 through 9/30/2003 • 42 NAWQA study units (basins) across the U.S. • Chemical concentrations in water, bed sediment, and aquatic organism tissues for about 609 chemical constituents • 44,000 nutrient samples, 26,000 pesticide samples, 8,000 VOC samples • 2,650 samples of bed sediment and aquatic organism tissues

  4. NAWQA Data Warehouse Contains (continued): • 6,400 surface water sites and 7,000 wells • Daily streamflow data for ~500 sites • Site, basin, well, and network information with many descriptive variables • 2,000 fish-community samples, 1,800 invertebrate community samples • Algae community samples and instream habitat data are coming

  5. How To Find The NAWQA Data Warehouse • URL water.usgs.gov/nawqa/data • google “water quality data”

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  7. #7

  8. “MAP SITES & RESULTS” option to find what’s in the DWH #8

  9. “RETRIEVE DATA” Optionsto make exportable tables #9

  10. Information about NAWQA program summary reports #10

  11. Help info Several links to assist with: data retrievals terminology info about the NAWQA program #11

  12. “MAP SITES & RESULTS” option to find what’s in the DWH #12

  13. NAWQA Sites - mercury in bed sediment #13

  14. EPA Region 3, Mercury in bed sediment #14

  15. “Drill” to sites on map for all data #15

  16. “RETRIEVE DATA” Optionsto make exportable tables #16

  17. “RETRIEVE DATA” - Site Information #17

  18. Site Information Results #18

  19. Potomac at Chain Bridge, TopoZone Map #19

  20. Potomac at Chain Bridge, U.S. EPA EnviroMapper Map #20

  21. Site Information Results #21

  22. “RETRIEVE DATA” Options,Constituent Finder #22

  23. “Constituent Finder” search #23

  24. Nitr% Following slides show “data values” and “summary of detects” #24

  25. “RETRIEVE DATA” Options,Surface Water/Bed Sediment #25

  26. Surface Water/Bed Sediment,Search options #26

  27. Biological Community queries #27

  28. Bio Community queries,Options #28

  29. Bio Community queries,Options #29

  30. Bio Community queries,Values #30

  31. Contact info #31

  32. http://water.usgs.gov/nawqa/data THE END #32

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