Concentrations and annual fluxes for selected water-quality constituents from the USGS National Stream Quality Accounting Network (NASQAN), 1996-2000

By Valerie J. Kelly, Richard P. Hooper, Brent T. Aulenbach, and Mary Janet

Results

• Download instructions
• Quality-assurance results
• Hydrographs with sampling coverage
• Streamflow data
• Water-quality data
• Statistical summaries
• Percent detection maps
• Average loads and model parameters
• Yield maps
• Bubble diagrams of flow-weighted average concentrations
• Annual flux tables

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