Enhancing the USGS Streamgaging Network in the Mississippi River Basin: Continuous Water-Quality and Groundwater Data

Author(s): Roberts, B.

The U.S. Geological Survey (USGS), Mississippi Water Science Center, in cooperation with the U.S. Army Corp of Engineers, Vicksburg District, is in the process of enhancing selected streamgages throughout the Mississippi River Basin to include continuous hourly water-quality and groundwater data. In Mississippi, the USGS is installing a ultraviolet nitrate sensor to collect continuous nitrate data, and a water-quality sonde to collect continuous temperature, specific conductance, turbidity, chlorophyll-a, and dissolved organic matter data on the Mississippi River near Vicksburg, Miss., and the Bogue Phalia near Leland, Miss. Both sites will be operated in conjunction with the USGS National Water Quality Assessment Program to understand nitrate dynamics during extreme hydrologic conditions such as baseflow and storms and to provide a more complete data set for future nitrate load calculations.

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