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Records 1 to 25 of 33 records from author Melinda Beaver

2018
Zhang, H., L. Yee, B. Lee, M. Curtis, D. Worton, G. Isaacman-VanWertz, J. Offenberg, M. Lewandowski, Tad Kleindienst, M. Beaver, A. Holder, Bill Lonneman, K. Docherty, M. Jaoui, H. Pye, W. Hu, D. Day, P. Campuzano-Jost, J. Jimenez, H. Guo, R. Weber, J. de Gouw, A. Koss, E. Edgerton, W. Brune, C. Mohr, F. Lopez-Hilfiker, A. Lutz, N. Kreisberg, S. Spielman, S. Hering, K. Wilson, J. Thornton, AND A. Goldstein. Monoterpenes are the largest source of summertime organic aerosol in the southeastern United States. PNAS (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES). National Academy of Sciences, WASHINGTON, DC, 9:2038-2043, (2018).
Duvall, R., R. Long, M. Beaver, AND Jim Szykman. Student and Teacher-led Data Collection using Air Sensors during the DISCOVER-AQ Study. Air Sensors International Conference (ASIC), Oakland,CA, September 12 - 14, 2018.
2017
Knepp, T., Jim Szykman, R. Long, R. Duvall, J. Krug, M. Beaver, K. Cavender, K. Kronmiller, M. Wheeler, R. Delgado, R. Hoff, T. Berkoff, E. Olson, R. Clark, D. Wolfe, D. Van Gilst, AND D. Neil. Assessment of mixed-layer height estimation from single-wavelength ceilometer profiles. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 10:3963-3983, (2017).
2016
Baker, K., M. Woody, G. Tonnesen, Bill Hutzell, H. Pye, M. Beaver, G. Pouliot, AND Tom Pierce. Contribution of regional-scale fire events to ozone and PM2.5 air quality estimated by photochemical modeling approaches. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 140:539–554, (2016).
Long, R., M. Beaver, R. Duvall, Jim Szykman, S. Kaushik, K. Kronmiller, M. Wheeler, S. Garvey, AND J. Crawford. Evaluation and Comparison of Methods for Measuring Ozone and NO2 Concentrations in Ambient Air during DISCOVER-AQ. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, , 1-11, (2016).
Bash, J., K. Baker, AND M. Beaver. Evaluation of improved land use and canopy representation in BEIS v3.61 with biogenic VOC measurements in California. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 9:2191-2207, (2016).
Nowlan, C., X. Lu, J. Leitch, K. Chance, G. González Abad, C. Lu, P. Zoogman, J. Cole, T. Delker, W. Good, F. Murcray, L. Ruppert, D. Soo, M. Follette-Cook, S. Janz, M. Kowalewski, C. Loughner, K. Pickering, J. Herman, M. Beaver, R. Long, Jim Szykman, L. Judd, P. Kelley, W. Luke, X. Ren, AND J. Al-Saadi. Nitrogen dioxide observations from the Geostationary Trace gas and Aerosol Sensor Optimization (GeoTASO) airborne instrument: Retrieval algorithm and measurements during DISCOVER-AQ Texas 2013. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 9(6):2647-2668, (2016).
Duvall, R., R. Long, M. Beaver, K. Kronmillwe, M. Wheeler, Jim Szykman, M. Silverman, AND J. Crawford. Performance Evaluation and Community Application of Low-Cost Sensors for Ozone and Nitrogen Dioxide. Sensors. MDPI, Basel, Switzerland, 16(10):1698, (2016).
Szykman, Jim, R. Long, R. Duvall, T. Knepp, M. Beaver, K. Cavender, R. Clarke, AND E. Olsen. The use of LIDAR Technology for Measuring Mixing Heights under the Photochemical Assessment Monitoring Program; leveraging research under the joint DISCOVER-AQ/FRAPPÉ Missions. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 1-7, (2016).
2015
Long, R., M. Beaver, R. Duvall, EricS Hall, S. Kaushik, K. Kronmiller, M. Wheeler, AND S. Garvey. Evaluation and Comparison of Chemiluminescence and UV Photometric Methods for Measuring Ozone Concentrations in Ambient Air. In Proceedings, 2015 (108th) A&WMA Annual Conference, Raleigh, NC, June 22 - 25, 2015. Air and Waste Management Association, Pittsburgh, PA, 546, (2015).
Baker, K., A. Carlton, Tad Kleindienst, J. Offenberg, M. Beaver, D. Gentner, A. Goldstein, P. Hayes, J. Jimrnez, J. Gilman, J. DeGouw, M. Woody, H. Pye, J. Kelly, M. Lewandowski, M. Jaoui, P. Stevens, W. Brune, Y. Lin, C. Robitschun, AND J. Surratt. Gas and aerosol carbon in California: comparison of measurements and model predictions in Pasadena and Bakersfield. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 15:5243-5258, (2015).
Hagler, G., R. Williams, E. Thoma, B. Gullett, R. Long, M. Beaver, R. Duvall, Bill Mitchell, B. Squier, W. Jiao, AND X. Zhou. Next-generation air monitoring – an overview of EPA research to develop real-time instrumentation packages for stationary and mobile monitoring. Presented at Duke University's Wireless Intelligent Sensor Network workshop, Durham, NC, June 24, 2015.
Williams, R., R. Long, M. Beaver, R. Duvall, G. Hagler, Sue Kimbrough, E. Thoma, Bill Mitchell, W. Jiao, A. Kaufman, J. Rice, T. Hanley, AND S. Garvey. Sensor Technology and Performance Characteristics. AWMA 2015 Meeting, Raleigh, NC, June 22, 2015.
2014
Williams, R., D. Costa, A. Brown, A. Kaufman, D. Buchbinder, G. Hagler, E. Thoma, Bill Mitchell, B. Gullett, W. Jiao, Vasu Kilaru, R. Long, M. Beaver, R. Duvall, P. Solomon, K. Leovic, E. Smith, L. Stanek, Tim Watkins, P. Preuss, S. Katz, G. Robarge, E. Snyder, B. Sharpe, AND S. Garvey. #2) Sensor Technology-State of the Science. Webinar Presentation - Sensor Technology-State of the Science, Research Triangle Park, NC, July 08, 2014.
Beaver, M., R. Long, K. Kronmiller, R. Duvall, S. Kaushik, T. Morphy, AND P. King. Ambient intercomparison of direct and indirect methods for ambient nitrogen dioxide. National Ambient Monitoring Conference, Atlanta, GA, August 11 - 14, 2014.
Beaver, M., R. Long, Jim Szykman, R. Duvall, K. Baker, J. Kelly, A. Weinheimer, D. Knapp, D. Montzka, S. Pusede, AND R. Cohen. DISCOVER-AQ SJV Surface Measurements and Initial Comparisons with Photochemical Model Simulations. CMAS Conference, Chapel Hill, NC, October 27 - 29, 2014.
Bash, J., K. Baker, M. Beaver, G. Pouliot, AND Tom Pierce. Development and Evaluation of the Biogenic Emissions Inventory System (BEIS) Model v3.6. AGU Fall Meeting, San Francisco, CA, December 15 - 19, 2014.
Gentner, D., T. Ford, A. Guha, K. Boulanger, J. Brioude, W. Angevine, J. Gouw, C. Warneke, J. Gilman, D. Parris, T. Ryerson, J. Peischl, S. Meinardi, D. Blake, E. Atlas, W. Lonneman, Tad Kleindienst, M. Beaver, J. St Clair, P. Wennberg, T. VandenBoer, M. Markovic, J. Murphy, R. Harley, AND A. Goldstein. Emissions of organic carbon and methane from petroleum and dairy operations in California’s San Joaquin Valley. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 14(10):4955-4978, (2014).
Duvall, R., R. Long, M. Beaver, EricS Hall, J. Szykman, AND S. Kaushik. Evaluation of small sensor technology for criteria air pollutants at ground-based sites and a citizen science network. National Ambient Air Monitoring Conference, Atlanta, GA, August 11 - 14, 2014.
Hall, E., S. Kaushik, R. Vanderpool, R. Duvall, M. Beaver, R. Long, AND P. Solomon. Integrating Sensor Monitoring Technology into the Current Air Pollution Regulatory Support Paradigm: Practical Considerations. American Journal of Environmental Engineering. Scientific & Academic Publishing, Rosemead, CA, 4(6):147-154, (2014).
Hagler, G., R. Williams, E. Thoma, B. Gullett, R. Long, M. Beaver, R. Duvall, Bill Mitchell, B. Squier, W. Jiao, AND X. Zhou. Next-generation air monitoring – an overview of EPA research to develop real-time instrumentation packages for stationary and mobile monitoring. Presented at 2nd Annual Workshop on Wireless Sensor Networks (WISEnet), Durham, NC, June 09, 2014 - March 10, 2016.
Williams, R., R. Long, M. Beaver, R. Duvall, Sue Kimbrough, E. Thoma, Bill Mitchell, J. Rice, T. Hanley, AND S. Garvey. Observations from Laboratory and Field-based Evaluations of Select Low Cost Sensor Performance. 2014 International Society of Exposure Science, Cincinnati, OH, October 12 - 16, 2014.
Long, R., E. Hall, M. Beaver, R. Duvall, S. Kaushik, K. Kronmiller, M. Wheeler, S. Garvey, Z. Drake, AND F. McElroy. Performance of the Proposed New Federal Reference Methods for Measuring Ozone Concentrations in Ambient Air. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/432 (NTIS PB2015-101240), 2014.
Long, R., M. Beaver, R. Williams, K. Kronmiller, AND S. Garvey. Procedures and Concepts of EPA's Ongoing Sensor Evaluation Efforts. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 8-9, (2014).
Long, R., M. Beaver, R. Duvall, EricS Hall, AND S. Kaushik. Review of Federal Reference Method for Ozone: Nitric Oxide-Chemiluminescence. CASAC AMMS Teleconference on Federal Reference Method for Ozone: Nitric Oxide-Chemiluminescene, Research Triangle Park, NC, April 03, 2014.