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United States Department of Agriculture

Agricultural Research Service

photo of Ralph T. Roberts
Ralph Roberts
Computer Specialist (Retired)
USDA-ARS Hydrology and Remote Sensing Laboratory
Bldg. 007, Rm. 104, BARC-West
Beltsville, MD 20705-2350 USA
Voice: (240) 271-1591
Fax: (301) 490-5045
robrtr@gmail.com



Research Interests:

  • Image Processing, geographic information systems.
  • Snowmelt modeling.
  • Computer programming.

Education:

  • 1975 B.S. (Computer Science) University of Maryland, University College, College Park, MD.

Professional Experience:

  • 1973-1976: Computer Specialist, Naval Intelligence Processing Systems Sprt Activity, Wash. DC.
  • 1976-1978: Computer Specialist, Overseas Private Investment Company, Washington, DC.
  • 1978-Present: Computer Specialist, USDA-ARS-Hydrology and Remote Sensing Laboratory, Beltsville, MD.

Awards:

  • Agricultural Research Service, Beltsville Area Support/Service Employee of the Year, 2007.
  • USDA Certificates of Merit (1978,1979,1985,1991,1995-2000,2003.
  • Best Paper Award, 55th Annual Western Snow Conference, Vancouver, B.C, 1987.

Selected Publications: (please contact the author to determine reprint availability)

(view author's publications/interpretive summaries/technical abstracts since 1999)

Schumgge, T., Jackson, T. J., Kustas, W. P., Roberts, R. T., Parry R., Goodrich, D., Amer, S., and Weltz, PBMR Observations of Surface Soil Moisture in MONSOON 90.

Martinec, J., Rango, A., andRoberts, R.T.  Rainfall-Snowmelt Peaks in a Warmer Climate.  Symposium Proceedings, AWRA 28th Annual Conference, Reno, NV. 1992.

Roberts, R.T., and Thurman, J.L.  A Graphical User Interface for ARS Water Data on CD-ROM.  Symposium Proceedings, Federal Interagency Workshop of Hydrologic Modeling Demands for the 90's, Fort Collins, CO. Pp. 5-36 to 5-41.  1993.

Thurman, J.L. and Roberts, R.T.  Use of an On-Line Information System and CD-ROMs for Dissemination of ARS Water Data.   Symposium Proceedings, Federal Interagency Workshop of Hydrologic Modeling Demands for the 90's, Fort Collins, CO. Pp. 2-15 to 2-20.  1993.

Thurman, J.L. andR. T. Roberts. 1994. New Strategies for the Water Data Center, J. Soil and Water Cons. 50(5) 530-531.

Martinec,J., Rango, A., and Roberts, R.  Modelling the Redistribution of Runoff Caused by Global Warming.  AWRA Summer Symposium, Jackson Hole, WY.  1994.

Martinec, J., Rango, A., and Roberts, R.T.  Snowmelt Runoff Model (SRM) User's Manual (Updated Edition 1994, Version 3.2).    Geographica Bernensia, Department of Geography - University of Bern, 1994.  65pp.

Rango, A., Martinec, J., and Roberts, R., 1995. Climate effects on future runoff regimes of Pacific mountain tributaries, Proceedings of the Symposium on Water Resources and Environmental Hazards: Emphasis on Hydrologic and Cultural Insight in the Pacific Rim, American Water Resources Association, Honolulu, HI, pp. 161-172.

Martinec, J., Rango, A., and Roberts, R.T.  Snowmelt Runoff Model (SRM) User's Manual (Updated Edition 1998, Version 4.0).    Geographica Bernensia, Department of Geography - University of Bern, 1999.  84pp.

Rango,A., Martinec, J., and Roberts, R,T.  Global Warming Effects on Snowfields and Water Supply Evaluated Using Snowmelt Modeling and Normalized Annual Data.  Proceedings, 75th Annual Western Snow Conference, Kailua-Kona, Hawaii, 2007.

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Last Modified: 1/10/2012