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USGS NAWQA Data Warehouse. Demonstration for Advisory Committee on Water Information Herndon, VA Sept 15, 2004. 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?
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USGS NAWQA Data Warehouse Demonstration for Advisory Committee on Water Information Herndon, VA Sept 15, 2004
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?
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
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
How To Find The NAWQA Data Warehouse • URL water.usgs.gov/nawqa/data • google “water quality data”
Help info Several links to assist with: data retrievals terminology info about the NAWQA program #11
Nitr% Following slides show “data values” and “summary of detects” #24
Contact info #31
http://water.usgs.gov/nawqa/data THE END #32