Robert M Hirsch

• A summary of the U.S. Geological Survey National Water-Quality Assessment Program
• Comparison of Two Regression-Based Approaches for Determining Nutrient and Sediment Fluxes and Trends in the Chesapeake Bay Watershed
• Concepts for a national water-quality assessment program
• Investigation of trends in flooding in the Tug Fork Basin of Kentucky, Virginia, and West Virginia
• National Streamflow Information Program
• Techniques of trend analysis for monthly water-quality data