Environmental Sciences
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Environmental Sciences Experts

Douglas Freehafer

Computer Specialist
Hydrology
The U.S. Geological Survey
United States Virgin Islands

Biography

Douglas Freehafer,Computer Specialist/Associate National Map Liaison New York Water Science Center/National Geospatial Program,Doug is the Associate National Map Liaison for New York. He is also a member of the NGP Water Resources Community of Use.

Research Interest

Expertise floods streamflow surface water (non-marine) administrative and political boundaries aerial photography

Publications

  • Freehafer, D.A. and Passy, S.I., GIS at a microscophic level -- Effect of streamflow variability on the morphological complexity in diatom colonies, Northeast ARC Users Group Conference, Pittsburgh, Pa, May 28-June

  • Freehafer, Douglas A.; Pierson, Oliver, 2004. Onondaga Lake Watershed -- A Geographic Information System Project Phase I -- Needs Assessment and Spatial Data Framework. Open-File Report 2004-1259, 79 p

  • Lumia, Richard; Freehafer, Douglas A.; Smith, Martyn J., 2006. Magnitude and Frequency of Floods in New York. Geological Survey (U.S.) Scientific Investigations Report 2006-5112, Available online and on DVD-ROM; Report: viii

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