You are here:
Refine Your Search
Search Again
Search Within
More Results
Records 1 to
16
of 16 records from author Davidj Williams
2023
Maraldo, D. AND D. Williams. EPA Remote Sensing Overview with applications to SAR urban flood mapping. Civil Applications Committee (CAC) monthly meeting, Reston, VA, February 01, 2023.
2022
Williams, D. Remote Sensing Resources for Site Investigations and Characterization. R7 Annual Preparedness Training for RPMs (RAPTR) 2022, NA, Virtual, February 14 - 18, 2022.
2021
Williams, D. AND M. Murphy. Use of aerial photography in crime scene analysis. Briefing to the US DOJ U.S. Attorney's Office for the District of Columbia, Durham, North Carolina, November 29, 2021.
2020
Szykman, J., D. Williams, V. Caicedo, R. Delgado, T. Knepp, K. Cavender, AND B. Lefer. An automated common algorithm for planetary boundary layer retrievals using aerosol lidars in support of the U.S. EPA Photochemical Monitoring Assessment Program. Journal of Atmospheric and Oceanic Technology. American Meteorological Society, Boston, MA, , 1-51, (2020). https://doi.org/10.1175/JTECH-D-20-0050.1
Judd, L., J. Al-Saadi, J. Szykman, L. Valin, A. Nehrir, S. Janz, M. Kowalewski, R. Swap, D. Williams, H. Eskes, J. Veefkind, A. Cede, M. Mueller, M. Gebetsberger, AND R. Pierce. Evaluating Sentinel-5P TROPOMI tropospheric NO2 column densities with airborne and Pandora spectrometers near New York City and Long Island Sound. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 13(11):6113-6140, (2020). https://doi.org/10.5194/amt-13-6113-2020
Williams, D., G. Fisher, K. Angeli, AND P. Young. Global Fiducials imagery for observing long-term forest dynamics in the North Carolina mountains under a changing climate and atmosphere. American Geophysical Union (AGU) Fall Meeting, NA, Virtual, December 01 - 17, 2020.
Caicadeo, V., J. Szykman, L. Valin, D. Williams, AND K. Cavender. Product 1.4.2: Research to Support Photochemical Assessment Monitoring Stations (PAMS) Program (40 CFR part 58): Development and Implementation of a Common Mixing Height Algorithm and Prototype National Data Archive - project status update to OAQPS and State Modelers. EPA-State model evaluation forum: monthly meeting, NA, North Carolina, February 26, 2020.
2018
Chen, H., T. Yang, Q. Xia, D. Bowman, D. Williams, Johnt Walker, AND W. Shi. The extent and pathways of nitrogen loss in turfgrass systems: Age impacts. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 637638:746-757, (2018). https://doi.org/10.1016/j.scitotenv.2018.05.053
Spinei, E., A. Whitehill, A. Fried, M. Tiefengraber, T. Knepp, S. Herndon, J. Herman, M. Muller, N. Abuhassan, A. Cede, D. Richter, J. Walega, J. Crawford, Jim Szykman, L. Valin, D. Williams, R. Long, R. Swap, Y. Lee, N. Nowak, AND B. Poche. The first evaluation of formaldehyde column observations by improved Pandora spectrometers during the KORUS-AQ field study. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 11(9):4943-4961, (2018). https://doi.org/10.5194/amt-11-4943-2018
2017
Yuan, Y., H. Chen, W. Yuan, D. Williams, J. Walker, AND w. Shi. Is biochar-manure co-compost a better solution for soil health improvement and N2O emissions mitigation? BIOGEOCHEMISTRY. Springer, New York, NY, 113:14-25, (2017).
2016
Williams, D., P. Deshmukh, F. Birgand, B. Maxwell, Johnt Walker, AND H. Chen. Source Tracking of Nitrous Oxide using A Quantum Cascade Laser System in the Field and Laboratory Environments. 59th Soil Science Society of North Carolina Annual Meeting, Raleigh, NC, January 19 - 20, 2016.
2014
Williams, D., J. Hatfield, J. Sweet, AND S. Chilingaryan. Atmospheric LiDAR coupled with point measurement air quality samplers to measure fineparticulate matter (PM) emissions from agricultural operations. Part 2 of the California 2007 - 2008 Tillage Campaigns: Spring 2008 Data Analysis. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/191, 2014.
2009
WILLIAMS, D. J. AND E. Thoma. A MULTI-SENSOR APPROACH FOR MONITORING RIVER CHEMICAL TANK BARGE EMISSIONS. Presented at International Society for Optical Engineering (SPIE) Defense, Security, and Sensing 2009 Conference, Orlando, FL, April 13 - 17, 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 PROTAL TOOL. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY. American Meteorological Society, Boston, MA, 90(8):1157-1168, (2009).
2007
PILANT, A. N., L. D. WORTHY, D. J. WILLIAMS, AND J. G. LYON. USER-CUSTOMIZED ENVIRONMENTAL MAPPING AND DECISION SUPPORT USING NASA WORLD WIND AND DOE GENIE PRO SOFTWARE. Presented at Free and Open Source Software for Geospatial (FOSS4G) Conference, Victoria, BC, CANADA, September 24 - 27, 2007.
2006
WILLIAMS, D. J., H. FRY, DREW N. PILANT, JOHNG LYON, AND L. D. WORTHY. REMOTE SENSING DAMAGE ASSESSMENT OF CHEMICAL PLANTS AND REFINERIES FOLLOWING HURRICANES KATRINA AND RITA. Presented at SPIE Optics and Photonics, San Diego, CA, August 13 - 17, 2006.