USGS - science for a changing world

Water Science for Maryland, Delaware and the District of Columbia

Kernell Ries, Hydrologist

Contact Information
U.S. Geological Survey
5522 Research Park Drive
Baltimore, MD 21228

Phone:  (443) 498-5617
Fax:      (443) 498-5510


B.S. in Hydrology, University of New Hampshire, 1977.

Associations and Memberships

American Water Resources Association

Professional Experience

Current Projects:

  • National coordinator for the USGS StreamStats Web application at
  • Analysis of the data-collection network within the reservoir system for the City of Baltimore
  • Development of a Web-based water budgeting tool and collection and analysis of low-flow data for selected streams in the area of Maryland affected by Base Realignment and Closure (BRAC)
  • Regionalization of mean flows for rivers in Brazil

Professional Interests

  • Web-based technology for hydrologic analysis
  • Regionalization of streamflow statistics
  • Effects of human activities on water availablility
  • Methods for determining the in-stream flow needs of aquatic biota

Selected Bibliography

Weiskel, P.K., Vogel, R.M., Steeves, P.A., Zarriello, P.J., and Ries, K.G., III, 2007, Water-use regimes: Characterizing direct human interaction with hydrologic systems: Water Resources Research, vol. 43, no. 4, W04402, doi:10.1029/2006WR005062, 2007, 12 p.

Ries, K.G., III, 2006, The National Streamflow Statistics Program: A computer program for estimating streamflow statistics for ungaged sites: U.S. Geological Techniques and Methods Report TM Book 5, Chapter A6, 45 p.

Ries, K.G. III, 2006, Selected streamflow statistics for streamgaging stations in northeastern Maryland, 2006: U.S. Geological Survey Open-File Report 2006-1335, 24 p.

Ries, K.G., III, and Dillow, J.J.A., 2006, Magnitude and frequency of floods in Delaware: U.S. Geological Scientific Investigations Report 2006-5146, 59 p.

Ries, K.G. III, Steeves, P.A., Coles, J.D., Rea, A.H., and Stewart, D.W., 2005, StreamStats: A U.S. Geological Survey web application for stream information: U.S. Geological Survey Fact Sheet 2004-3115, 4 p.

Ries, K.G., III, 2004, Selected streamflow statistics for streamgaging stations in Delaware, 2003: U.S. Geological Survey Open-File Report 2004-1313, 23 p.

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