Science Inventory

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Williams, D J. BEYOND REGULATION TO PROTECTION. THE APPLICATION OF NATIONAL RECONNAISSANCE SYSTEMS IN THE SCIENCE MISSION OF THE ENVIRONMENTAL PROTECTION AGENCY. Presented at Federal Reconnaissance Users Conference, Chantilly, VA, February 4-7, 2002.

Williams, D J. AND W G. Kepner. IMAGING SPECTROSCOPY FOR DETERMINING RANGELAND STRESSORS TO WESTERN WATERSHEDS. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-01/004 (NTIS PB2002-107278), 2002.

Williams, D J., L. Yuan, C. Y. Wu, V. Ramprakash, S B. Norton, AND R. Ramirez. QUANTIFYING THE RELATIONSHIPS BETWEEN LANDSCAPE IMPERVIOUSNESS AND AQUATIC BIOLOGICAL COMMUNITY RESPONSE. Presented at Association of American Geographers, New Orleans, LA, March 4-8, 2003.

Jennings, D B., D J. Williams, AND S T. Jarnagin. A SUB-PIXEL ACCURACY ASSESSMENT FRAMEWORK FOR DETERMINING LANDSAT TM DERIVED IMPERVIOUS SURFACE ESTIMATES. Presented at A Remote Sensing and GIS Accuracy Assessment Symposium, Las Vegas, NV, December 11, 2001.

Lopez, R D., C M. Edmonds, A C. Neale, E T. Slonecker, K B. Jones, D T. Heggem, J G. Lyon, E. Jaworski, D Garofalo, AND D J. Williams. ACCURACY ASSESSMENTS OF AIRBORNE HYSPERSPECTRAL DATA FOR MAPPING OPPORTUNISTIC PLANT SPECIES IN FRESHWATER COASTAL WETLANDS. Chapter 18, Ross S. Lunetta, John G. Lyon (ed.), Remote Sensing and GIS Accuracy Assessment. CRC Press LLC, Boca Raton, FL, , 253-267, (2003).

Williams, D J. ASSESSING THE WATER QUALITY OF MINE-IMPACTED STREAMS USING HYPERSPECTRAL DATA. Presented at Above & Beyond 2001, An EPA Remote Sensing Conference, Las Vegas, NV, March 20-21, 2001.

Williams, D J., T. M. O'Brien, N. B. Rybicki, AND R. B. Gomez. SUBMERSED AQUATIC VEGETATION MAPPING USING HYPERSPECTRAL IMAGERY. Presented at Environmental Monitoring and Assessment Program (EMAP) 2001, Coastal Management Through Partnerships, Pensacola, FL, April 24-27, 2001.

Williams, D J. AND S B. Norton. DETERMINING IMPERVIOUS SURFACES IN SATELLITE IMAGERY USING DIGITAL ORTHOPHOTOGRAPHY. Presented at American Society for Photogrammetry & Remote Sensing Annual Convention, Washington, DC, May 20, 2000.

Williams, D J. DETERMINING THE MINERALOGY OF POORLY CRYSTALINE MINE DRAINAGE PRECIPITATES USING HYPERSPECTRAL DATA. Presented at IEEE International Geoscience and Remote Sensing Symposium, Honolulu, HI, July 24-28, 2000.

Williams, D J. INEZ, KENTUCKY COAL SLURRY SPILL. Presented at Federal Applications of Satellite Image Information-3 TASC Westfields, Chantilly, VA, December 14, 2000.

Mace, T H., J J. Ellington, J J. Evans, S. C. McCutheon, J. T. Mace, E T. Slonecker, D J. Williams, H. Lang, AND J. Van den Bosch. REMOTE SENSING OF PERCHLORATE EFFECTS ON SALT CEDAR PRELIMINARY RESULTS FROM THE LAS VEGAS WASH. Presented at 2001 American Society for Photogrametry and Remote Sensing (ASPRS) Annual Conference, St. Louis, MO, April 23-27, 2001.

Slonecker, E T. AND D J. Williams. SPECTRAL REMOTE SENSING OF CONTAMINATED MINE DRAINAGE. Presented at American Society for Photogrametry and Remote Sensing (ASPRS) Annual Convention - DC 2000, Washington, DC, May 22-26, 2000.

Williams, D J. AND W G. Kepner. IMAGING SPECTROSCOPY FOR DETERMINING RANGELAND STRESSORS TO WESTERN WATERSHEDS. Presented at EMAP Symposium on Western Ecological Systems, San Francisco, CA, April 4-8, 1999.

Williams, D J., D. A. White, AND A. Englemann. RIPARIAN CHARACTERIZATION USING SUB-PIXEL ANALYSIS OF LANDSAT TM IMAGERY FOR USE IN ECOLOGICAL RISK ASSESSMENT. Presented at American Society for Photogrammetry & Remote Sensing Annual Conference, Portland, OR, May 19, 1999.