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A NEW EVALUATION OF THE USGS STREAMGAGING NETWORK

CONTENTS

• Introduction
• Purposes of the streamgaging network
  • Long-term uses
  • Data for current uses
• Network evaluation
  • Scope and approach
  • Federal interests
  • Interstate and international transfer
  • Water budget
  • Flooding
  • Water quality
  • Long-term changes
  • Other measures of the loss of information needed to evaluate environmental change
  • Summary of network analysis
• Evolution of funding
• Modernization
• Future direction-National Streamflow Information Program
• Conclusions
• References

FIGURES

1. Graph showing increase in the use of satellite telemetry at USGS streamgaging stations [D]
2. Real-time hydrograph, or plot of streamflow vs. time, served on the World Wide Web [D]
3. Results of analysis for state and international boundaries [D]
4. Results of analysis for water budgets [D]
   
5. Results of analysis for floodplain population [D]
   
6. Results of analysis for NWS Service Locations [D]
7. Results of analysis for water quality [D]
8. Results of analysis for long-term changes [D]
9. Graph showing number of stations with 30 or more years or record discontinued each year, 1921-1995 [D]
10. Graph showing number of HCDN stations [D]
11. Diagram showing the distribution of funding for the streamgaging program in 1998 [D]
12. Graph showing annual distribution of funding for the streamgaging program, 1974-1998 [D]