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Exposure Research

Records 1 to 34 of 34
2013
Bingham, G., J. Bowman, C. Marchant, R. Martin, K. Moore, P. Silva, M. Wojcik, D. J. WILLIAMS, S. CHILINGARYAN, AND J. Hatfield. Atmospheric Light Detection and Ranging (LiDAR) Coupled With Point Measurement Air Quality Samplers to Measure Fine Particulate Matter (PM) Emissions From Agricultural Operations: The Los Banos CA Fall 2007 Tillage Campaign. US EPA Office of Research and Development, Washington, DC, 2012.
2010
RASHLEIGH, B., D. J. KEITH, D. J. WILLIAMS, D. R. MANGIS, D. B. SCHWEDE, L. D. WORTHY, J. S. IIAMES, K. Pugh, AND S. C. MCCUTCHEON. Ecosystem Services Research Program (ESRP) Albemarle-Pamlico Watershed and Estuary Study (APWES) Research Plan. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-10/180 (NTIS PB2011-105281), 2010.
2009
CHING, J. K., M. BROWN, S. Burian, F. Chen, R. Cionco, A. Hanna, T. Hultgren, D. Sailor, H. Taha, AND D. J. WILLIAMS. National Urban Database and Access Portal Tool. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY. American Meteorological Society, Boston, MA, 90(8):1157-1168, (2009).
2008
WILLIAMS, D. J., M. KNUDSON, P. SHAPIRO, AND J. Myers. PORTABLE IMAGING DEVICES FOR INDUSTRIAL LEAK DETECTION AT PETROLEUM REFINERIES AND CHEMICAL PLANTS. Presented at 2008 Science Forum, Washington, DC, May 20 - 22, 2008.
2007
PILANT, A. N., L. D. WORTHY, D. J. WILLIAMS, J. G. LYON, AND D. WILHELM. USER-CUSTOMIZED ENVIRONMENTAL MAPPING AND DECISION SUPPORT USING NASA WORLD WIND AND DOE GENIE SOFTWARE. Presented at Free and Open Source Software Geospatial 2007 Conference, Las Vegas, NV, September 21, 2007.
2006
WILLIAMS, D. J., D. STONE, C. SALVAGGIO, AND D. A. MESSINGER. A HYBRID THERMAL VIDEO AND FTTR SPECTROMETER FOR RAPIDLY LOCATING AND CHARACTERIZING GAS LEAKS. Presented at SPIE Optics and Photonics, San Diego, CA, August 13 - 17, 2006.
WILLIAMS, D. J., B. L. FELDMAN, A. N. PILANT, R. B. HAMMAT, M. SATHER, P. G. LUCEY, D. FURRY, L. D. WORTHY, AND J. G. LYON. DETECTION AND IDENTIFICATION OF TOXIC AIR POLLUTANTS USING FIELD PORTABLE AND AIRBORNE REMOTE IMAGING SYSTEMS. Presented at Air & Waste Management Association, Proceedings, New Orleans, LA, June 20 - 23, 2006.
WILLIAMS, D. J. VERIFICATION OF PORTABLE OPTICAL AND THERMAL IMAGING DEVICES FOR LEAK DETECTION AT PETROLEUM REFINERIES AND CHEMICAL PLANTS. U.S. Environmental Protection Agency, Washington, DC, EPA/600/S-06/035, 2006.
2005
WILLIAMS, D. J., A. N. PILANT, DORSEY D. WORTHY, B. FELDMAN, T. WILLIAMS, AND P. LUCEY. DETECTION AND IDENTIFICATION OF TOXIC AIR POLLUTANTS USING AIRBORNE LWIR HYPERSPECTRAL IMAGING. SPIE Fourth International Asia-Pacific Environmental Remote Sensing Symposium, Honolulu, HI, November 08 - 11, 2004. SPIE/International Society for Optical Engineering, Bellingham, WA, 5655:1-8, (2005).
Endres, K, R S. Lunetta, A Pilant, D J. Williams, AND J. Edirwickrema. SATELLITE IMAGES OF LAKE MICHIGAN PLUME EVENTS - MAY 2004. Presented at Office of Science Policy Remote Sensing Workshop, Chicago, IL, November 01 - 03, 2005.
Endres, K, R S. Lunetta, A Pilant, D J. Williams, AND J. Edirwickrema. SOUTHERN LAKE MICHIGAN BEACH CLOSURES: USING SATELLITE IMAGES TO IDENTIFY AREARS AT RISK. Presented at Office of Science Policy Remote Sensing Workshop, Chicago, IL, November 01 - 03, 2005.
Endres, K, R S. Lunetta, A Pilant, D J. Williams, AND J. Edirwickrema. SOUTHERN LAKE MICHIGAN BEACH CLOSURES: USING SATELLITE IMAGES TO IDENTIFY AREAS AT RISK. Presented at Office of Science Policy Remote Sensing Workshop, Chicago, IL, November 01 - 03, 2005.
2004
Williams, D J. AND J.K S. Ching. A FEDERATED PARTNERSHIP FOR URBAN METEOROLOGICAL AND AIR QUALITY MODELING. Presented at American Meteorological Society Fifth Symposium on the Urban Environment, Vancouver, BC, Canada, August 23-27, 2004.
Williams, D J., B. Feldman, T. Williams, M. Winters, D Pilant, AND L D. Worthy. DETECTION AND IDENTIFICATION OF TOXIC AIR POLLUTANTS USING AIRBORNE LWIR HYPERSPECTRAL IMAGING. Presented at International Society for Optical Engineering (SPIE), Remote Sensing of the Atmosphere, Ocean, Environment, and Space Symposium 2004, Honoluu, HI, November 8-12, 2004.
Williams, D J., K Endres, AND D Pilant. GREAT LAKES BEACH CLOSURES: USING SATELLITE IMAGES TO IDENTIFY AREAS AT RISK. Presented at EPA Science Forum 2004, Washington, DC, June 1-3, 2004.
Williams, D J. INVITED PRESENTATION ON R&D NEEDS TO MEET URBAN NEEDS FOR METEOROLOGICAL INFORMATION. Presented at Challenges in Urban Meteorology: A Forum for Users and Providers, Rockville, MD, September 21-23, 2004.
2003
Williams, D J. AND L. Friedl. MONITORING ECOSYSTEMS FROM SPACE: THE GLOBAL FIDUCIALS PROGRAM. Presented at Science Forum 2003, Washington, DC, May 5-7, 2003.
Williams, D J., T. M. O'Brien, N. B. Rybicki, AND R. B. Gomez. PRELIMINARY INVESTIGATION OF SUBMERGED AQUATIC VEGETATION MAPPING USING HYPERSPECTRAL REMOTE SENSING. ENVIRONMENTAL MONITORING AND ASSESSMENT 81(1):383-392, (2003).
Szykman, J., D J. Williams, V Kilaru, J. Fishman, D. Neil, B. Pierce, AND C. Kitta. UTILIZING SATELLITE OBSERVATIONS TO EXPAND EPA'S AIR MONITORING NETWORK: A NEW PARTNERSHIP BETWEEN NASA AND EPA. Presented at Science Forum 2003, Washington, DC, May 5-7, 2003.
2002
Williams, D J., J. M. Bigham, C. A. Cravotta III, S. J. Traina, J. Anderson, AND J G. Lyon. ASSESSING MINE DRAINAGE WATER QUALITY FROM THE COLOR AND SPECTRAL REFLECTANCE OF CHEMICAL PRECIPITATES. APPLIED GEOCHEMISTRY 17(10):1273-1286, (2002).
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.
2001
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.
2000
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.
1999
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.


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