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2024
Foley, K., G. Pouliot, A. Eyth, M. Aldridge, Christine Allen, Keith Appel, J. Bash, M. Beardsley, J. Beidler, Jongwoo Choi, C. Farkas, R. Gilliam, J. Godfrey, B. Henderson, C. Hogrefe, S. Koplitz, R. Mason, R. Mathur, Christopher Misenis, Norman Possiel, H. Pye, L. Reynolds, M. Roark, S. Roberts, D. Schwede, K. Seltzer, D. Sonntag, K. Talgo, C. Toro, J. Vukovich, J. Xing, AND E. Adams. 2002-2017 Anthropogenic Emissions Data for Air Quality Modeling over the United States. Data in Brief. Elsevier B.V., Amsterdam, Netherlands, 47:N/A, (2023). https://doi.org/10.1016/j.dib.2023.109022
Simon, H., C. Hogrefe, A. Whitehill, K. Foley, J. Liljegren, Norman Possiel, B. Wells, B. Henderson, L. Valin, G. Tonnesen, Keith Appel, AND S. Koplitz. Revisiting day-of-week ozone patterns in an era of evolving US air quality. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 24(3):1855-1871, (2024). https://doi.org/10.5194/acp-24-1855-2024
2023
Hogrefe, C., J. Bash, J. Pleim, D. Schwede, R. Gilliam, K. Foley, Keith Appel, AND R. Mathur. An Analysis of CMAQ Gas Phase Dry Deposition over North America Through Grid-Scale and Land-Use Specific Diagnostics in the Context of AQMEII4. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 23(14):8119–8147, (2023). https://doi.org/10.5194/acp-23-8119-2023
Simon, H., Keith Appel, K. Foley, B. Henderson, C. Hogrefe, S. Koplitz, Norman Possiel, G. Tonnesen, L. Valin, B. Wells, AND A. Whitehill. Comparison of 18 years of modeled and observed day-of-week ozone patterns. International Technical Meeting on Air Pollution Modeling and its Application, Chapel Hill, NC, May 22 - 26, 2023.
Foley, K., C. Hogrefe, Keith Appel, R. Gilliam, G. Pouliot, AND S. Benish. Evaluation of air quality modeling from EQUATES: EPA’s Air Quality Time Series Project. International Technical Meeting on Air Pollution Modeling and its Application, Chapel Hill, NC, May 22 - 26, 2023.
Sarwar, G., D. Kang, B. Henderson, C. Hogrefe, Keith Appel, AND R. Mathur. Examining the Impact of Dimethyl Sulfide Emissions on Atmospheric Sulfate over the Continental U.S. ATMOSPHERE. MDPI, Basel, Switzerland, 14(4):660, (2023). https://doi.org/10.3390/atmos14040660
East, J., B. Henderson, C. Hogrefe, K. Foley, G. Sarwar, S. Napelenok, Keith Appel, G. Pouliot, K. Talgo, AND R. Mathur. HTAPv3 Initial Application in Hemispheric CMAQ. Contributors to the Task Force on Hemispheric Transport of Air Pollution (TF HTAP) Spring Meetings Online, None, NC, April 18 - 21, 2023.
Mathur, R., C. Hogrefe, J. Xing, Keith Appel, J. Bash, K. Foley, R. Gilliam, B. Henderson, W. Hutzell, D. Kang, B. Murphy, S. Napelenok, J. Pleim, G. Pouliot, H. Pye, G. Sarwar, AND F. Sidi. Multi-decadal (1990-2019) trends and source contributions to atmospheric nitrogen and sulfur deposition across the Northern Hemisphere. American Geophysical Union Fall Meeting, San Francisco, CA, December 11 - 15, 2023.
Hogrefe, C., R. Mathur, S. Napelenok, B. Henderson, G. Sarwar, G. Pouliot, J. Willison, R. Gilliam, Keith Appel, Bill Hutzell, D. Kang, B. Murphy, H. Pye, AND K. Foley. Trends and Variability in Concentrations and Source Contributions of 2002 – 2019 Ozone and Particulate Matter over the Northern Hemisphere. ITM 2023 International Technical Meeting On Air Pollution Modeling And Its Application, Chapel Hill, NC, May 22 - 26, 2023.
Appel, Keith, C. Hogrefe, K. Foley, R. Gilliam, D. Kang, G. Pouliot, B. Murphy, H. Pye, B. Place, J. Pleim, J. Bash, G. Sarwar, S. Napelenok, Cheung Wong, R. Mathur, F. Sidi, C. Nolte, J. Willison, K. Fahey, Bill Hutzell, E. D'Ambro, T. Spero, AND D. Schwede. Updates in and evaluation of the Community Multiscale Air Quality (CMAQ) modeling system version 5.4. 103rd Annual American Meteorological Society Meeting, Denver, CO, January 08 - 12, 2023.
2022
Benish, S., J. Bash, K. Foley, C. Hogrefe, Keith Appel, S. Napelenok, L. Linker, G. Shenk, AND G. Bhatt. Atmospheric Deposition Modeling in the Chesapeake Bay Watershed. Chesapeake Bay Quarterly Meeting, Virtual, Virtual, April 05 - 06, 2022.
Pye, H., B. Place, Christine Allen, E. D'Ambro, Keith Wyat Appel, J. Bash, M. Coggon, S. Farrell, K. Foley, C. Hogrefe, W. Hutzell, F. McNeill, B. Murphy, I. Piletic, G. Pouliot, R. Schwantes, G. Sarwar, E. Saunders, K. Seltzer, H. Simon, W. Stockwell, L. Valin, F. Wisner, AND L. Xu. Designing chemical mechanisms for ozone and secondary organic aerosol endpoints (ACM 2022). Atmospheric Chemical Mechanisms, Davis, CA, December 07 - 09, 2022.
Pye, H., Keith Appel, K. Seltzer, C. Ward-Caviness, AND B. Murphy. Human-health impacts of controlling secondary air pollution precursors. Environmental Science & Technology Letters. American Chemical Society, Washington, DC, 9(2):96-101, (2022). https://doi.org/10.1021/acs.estlett.1c00798
2021
Hogrefe, C., K. Foley, Keith Appel, S. Roselle, D. Schwede, J. Bash, AND R. Mathur. Air Pollution Modeling and its Application XXVII: Evaluating Long-Term Ozone and PM2.5 Simulations Over the United States. Air Pollution Modeling and its Application XXVII. Springer Berlin - Heidelberg, , Germany, , 345-351, (2021). https://doi.org/10.1007/978-3-662-63760-9_50
Gilliam, R., K. Foley, J. Bash, R. Mathur, N. Possiel, C. Misenis, B. Henderson, G. Sarwar, Keith Wyat Appel, AND G. Pouliot. An evaluation of a two-decade CONUS and Northern Hemispheric timeseries of retrospective WRF simulations. 20th CMAS Conference, Virtual, NC, November 01 - 04, 2021.
Benish, S., J. Bash, K. Foley, S. Napelenok, C. Hogrefe, Keith Appel, L. Linker, G. Shenk, AND G. Bhatt. Atmospheric Deposition Modeling the Chesapeake Bay Watershed. Chesapeake Bay October Modeling Workgroup Quarterly Meeting, Virtual, Virtual, October 05 - 06, 2021.
Benish, S., J. Bash, K. Foley, C. Hogrefe, AND Keith Appel. Atmospheric Deposition from EPA’s Long-term Air Quality Simulations. NC State Postdoc Symposium, Virtual, Virtual, May 17 - 21, 2021.
Hogrefe, C., R. Gilliam, R. Mathur, B. Henderson, G. Sarwar, Keith Wyat Appel, G. Pouliot, J. Willison, R. Miller, J. Vukovich, A. Eyth, K. Talgo, C. Allen, AND K. Foley. CMAQv5.3.2 ozone simulations over the Northern Hemisphere: model performance and sensitivity to model configuration. 20th Annual CMAS Conference, NA, North Carolina, November 01 - 05, 2021.
Hogrefe, C., J. Bash, Jon Pleim, D. Schwede, R. Gilliam, K. Foley, Keith Wyat Appel, AND R. Mathur. Diagnostic Analysis of CMAQ Dry Deposition Fields in the Context of AQMEII4. 38th International Technical Meeting on Air Pollution Modelling and its Application, Barcelona, Virtual, SPAIN, October 18 - 22, 2021.
Benish, S., J. Bash, K. Foley, C. Hogrefe, AND Keith Appel. EQUATES: EPA's Air Quality Time Series Project. NADP Spring Meeting, Virtual, Virtual, May 11, 2021.
Bash, J., S. Benish, K. Foley, C. Hogrefe, AND Keith Appel. Evaluation of a Measurement Model Fusion Approach for Improving Predictions of Wet Deposition from EQUATES. NADP Fall Meeting, Virtual, Virtual, October 27 - 29, 2021.
Breen, M., V. Isakov, C. Seppanen, S. Arunachalam, M. Breen, S. Prince, T. Long, D. Heist, P. Deshmukh, Keith Wyat Appel, C. Hogrefe, B. Murphy, Chris Nolte, G. Pouliot, H. Pye, AND J. Rosati. Integrating Time-Activity and Air Quality Sensors and Models into Smartphone-based PM2.5 and Ozone Exposure Model (TracMyAir). Annual Community Modeling and Analysis System (CMAS) Conference, Virtual, NC, November 01 - 05, 2021.
Simon, H., Patrick Dolwick, A. Eyth, B. Henderson, S. Koplitz, Robert Owen, S. Phillips, Norman Possiel, V. Rao, B. Timin, J. Vukovich, C. Bailey, M. Beardsley, D. Choi, J. Han, H. Michaels, S. Roberts, D. Sonntag, J. Warila, M. Zawacki, Keith Appel, J. Bash, K. Foley, G. Pouliot, H. Pye, L. Valin, S. Ballare, C. Toro, AND S. Kimbrough. Overview of Progress and Findings from the Cross-EPA Coordination Effort for Understanding and Evaluating NOx Emissions Discrepancies. U.S. Environmental Protection Agency, Washington, DC, EPA-454/R-21-0084, 2021.
Benish, S., J. Bash, K. Foley, S. Napelenok, C. Hogrefe, Keith Appel, AND L. Linker. Regional Trends and Sources of Nitrogen Deposition in the United States from 2002-2018. AGU Fall Meeting, Virtual, LA, December 13 - 17, 2021.
Pye, H., C. Ward-Caviness, B. Murphy, Keith Wyat Appel, AND K. Seltzer. Secondary organic aerosol association with cardiorespiratory disease mortality in the United States. NATURE. Nature Publishing Group, New York, NY, 12:7215, (2021). https://doi.org/10.1038/s41467-021-27484-1
Appel, Keith Wyat, J. Bash, K. Fahey, K. Foley, R. Gilliam, C. Hogrefe, Bill Hutzell, D. Kang, R. Mathur, B. Murphy, S. Napelenok, Chris Nolte, Jon Pleim, G. Pouliot, H. Pye, G. Sarwar, D. Schwede, F. Sidi, T. Spero, D. Wong, L. Ran, AND S. Roselle. The Community Multiscale Air Quality (CMAQ) Model Version 5.3: System Updates and Evaluation. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 14:2867-2897, (2021). https://doi.org/10.5194/gmd-14-2867-2021
Murphy, B., Chris Nolte, F. Sidi, J. Bash, Keith Wyat Appel, C. Jang, D. Kang, J. Kelly, R. Mathur, S. Napelenok, G. Pouliot, AND H. Pye. The Detailed Emissions Scaling, Isolation, and Diagnostic (DESID) module in the Community Multiscale Air Quality (CMAQ) Modeling System version 5.3.2. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 14(6):3407-3420, (2021). https://doi.org/10.5194/gmd-14-3407-2021
Hogrefe, C., S. Galmarini, P. Makar, O. Clifton, J. Flemming, C. Holmes, I. Kioutsioukis, A. Lupascu, D. Schwede, S. Silva, J. Bash, Jon Pleim, R. Gilliam, K. Foley, Keith Wyat Appel, AND R. Mathur. UK-US Collaboration on Air-Quality Modelling & Exposure Science 14th Workshop: Evaluation and Intercomparison of Modeled Atmospheric Deposition over North America and Europe – An Overview of Phase 4 of the Air Quality Model Evaluation International Initiative (AQMEII4). UK-US Collaboration on Air-Quality Modelling & Exposure Science 14th Workshop, N/A, NC, November 18, 2021.
2020
Pye, H., C. Ward-Caviness, B. Murphy, Keith Wyat Appel, AND K. Seltzer. 2020 CMAS Conference: Role of secondary organic aerosol in cardiovascular and respiratory disease mortality in the United States. CMAS Conference, Chapel Hill, NORTH CAROLINA, October 26 - 30, 2020.
Choi, S., L. Lamsal, M. Follette-Cook, J. Joiner, N. Krotkov, W. Swartz, K. Pickering, C. Loughner, Keith Wyat Appel, G. Pfister, P. Saide, R. Cohen, A. Weinheimer, AND J. Herman. Assessment of NO2 Observations during DISCOVER-AQ and KORUS-AQ Field Campaigns. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 13(5):2523–2546, (2020). https://doi.org/10.5194/amt-13-2523-2020
Choi, S., L. Lamsal, J. Joiner, N. Krotkov, M. Follette-Cook, W. Swartz, C. Loughner, Keith Appel, G. Pfister, P. Saide, R. Cohen, A. Weinheimer, AND K. Pickering. Evaluation and Interpretation of NO2 Measurements during the DISCOVER-AQ and KORUS-AQ Field Campaigns. 2020 American Meteorological Society Annual Meeting, Boston, Massachusettes, January 12 - 16, 2020.
Hogrefe, C., J. Bash, Jon Pleim, D. Schwede, R. Gilliam, K. Foley, Keith Wyat Appel, AND R. Mathur. Impacts of Differences in Land Use Characterization and Dry Deposition Schemes on AQMEII4 CMAQ Simulations. 19th Annual CMAS Conference, NA (virtual meeting), North Carolina, October 26 - 30, 2020.
Hogrefe, C., J. Bash, Jon Pleim, D. Schwede, R. Gilliam, K. Foley, Keith Wyat Appel, AND R. Mathur. Impacts of Differences in Land Use Characterization and Dry Deposition Schemes on AQMEII4 CMAQ Simulations, Workshop of the UK-US Collaboration on Air-Quality Modelling & Exposure Science. Workshop of the UK-US Collaboration on Air-Quality Modelling & Exposure Science, NA (Virtual Conference), NC, November 16 - 17, 2020.
Matichuk, R., C. Hogrefe, G. Tonnesen, R. Gilliam, S. Napelenok, Bill Hutzell, D. Kang, J. Bash, R. Mathur, G. Pouliot, Keith Wyat Appel, G. Pierce, K. Briggs, AND K. Shonkwiler. Predicting Ozone in the Colorado Front Range using EPA’s Air Quality Model. 19th Annual CMAS Conference, N/A, NC, October 26 - 30, 2020.
Pye, H., C. Ward-Caviness, K. Seltzer, B. Murphy, AND Keith Wyat Appel. Role of secondary organic aerosol in cardiovascular and respiratory disease deaths. AAAR Fall Meeting, Raleigh, NORTH CAROLINA, October 05 - 09, 2020.
Appel, Keith Wyat, J. Bash, K. Fahey, K. Foley, R. Gilliam, C. Hogrefe, Bill Hutzell, D. Kang, R. Mathur, B. Murphy, S. Napelenok, Chris Nolte, Jon Pleim, G. Pouliot, H. Pye, G. Sarwar, D. Schwede, F. Sidi, T. Spero, D. Wong, D. Luecken, S. Roselle, AND L. Ran. The Community Multiscale Air Quality (CMAQ) Model Versions 5.3 and 5.3.1: Science Updates and Evaluation. AESMD Division Seminar, Research Triangle Park, North Carolina, August 19, 2020.
2019
Pickering, K., L. Lamsal, M. Follette-Cook, D. Allen, W. Swartz, S. Janz, Keith Wyat Appel, AND G. Pfister. Estimation of surface NO2 using airborne remote sensing data and CMAQ model output from DISCOVER-AQ campaigns. 2019 Annual Community Modeling and Analysis System (CMAS) Conference, Chapel Hill, NC, October 21 - 23, 2019.
Hogrefe, C., K. Foley, Keith Appel, S. Roselle, D. Schwede, J. Bash, AND R. Mathur. Evaluating Long-Term Ozone and PM2.5 Simulations Over the United States. ITM 2019 - 37th International Technical Meeting on Air Pollution Modelling and its Application, Hamburg, Hamburg, GERMANY, September 23 - 27, 2019.
Foley, K., H. Simon, C. Toro, K. Baker, Keith Wyat Appel, B. Henderson, AND A. Eyth. Evaluation of CMAQ Estimated NOx from 2002 - 2016. 2019 Annual Community Modeling and Analysis System (CMAS) Conference, Chapel Hill, NC, October 21 - 23, 2019.
Simon, H., K. Foley, C. Toro, K. Baker, Keith Appel, B. Henderson, A. Eyth, AND D. Luecken. Evaluation of CMAQ Estimated NOx from 2002 to 2016. 2019 AGU Fall Meeting, San Francisco, California, December 09 - 13, 2019.
Foley, K., H. Simon, C. Toro, K. Baker, Keith Appel, B. Henderson, A. Eyth, AND D. Luecken. Evaluation of CMAQ Estimated NOx from 2002 to 2016 (2019 CMAS Conference). 2019 CMAS Conference, Chapel Hill, NC, October 21 - 23, 2019.
Appel, Keith, C. Hogrefe, K. Foley, B. Murphy, H. Pye, J. Bash, J. Pleim, S. Roselle, AND R. Mathur. Evaluation of the Community Multiscale Air Quality (CMAQ) Model Version 5.3 Release for the United States. ITM 2019 - 37th International Technical Meeting On Air Pollution Modelling and it's Application, Hamburg, GERMANY, September 23 - 27, 2019.
Appel, Keith, C. Hogrefe, K. Foley, B. Murphy, H. Pye, J. Bash, J. Pleim, G. Sarwar, Cheung Wong, D. Luecken, W. Hutzell, K. Fahey, S. Roselle, L. Ran, F. Sidi, D. Kang, R. Gilliam, AND R. Mathur. Evaluation of the Community Multiscale Air Quality (CMAQ) model version 5.3. 2019 Annual Community Modeling and Analysis System (CMAS) Conference, Chapel Hill, North Carolina, October 21 - 23, 2019.
William, S., L. Lamsal, M. Follette-Cook, K. Pickering, S. Choi, D. Allen, C. Loughner, AND Keith Appel. Exploring Factors Affecting the Inference of Surface-Level NO2 from Orbital and Suborbital Tropospheric Column Observations. American Geophysical Union Fall Meeting 2019, San Francisco, California, December 09 - 13, 2019.
Bash, J., V. Rao, AND Keith Appel. Fertilizer NH3 Emission Estimates for 2017 National Emissions Inventory Using an Agricultural Ecosystem Model and an Air Quality Model. 2019 International Emissions Inventory Conference, Dallas, TX, July 29 - August 02, 2019.
Hogrefe, C., K. Foley, Keith Appel, S. Roselle, AND R. Mathur. Guiding Model Applications and Development Through Model Evaluation and Intercomparison Activities. Symposium on Model Development and Application Contributing to Effective Strategy Making, Tokyo, JAPAN, February 18, 2019.
Kang, D., R. Mathur, L. Ran, G. Pouliot, David-C Wong, K. Foley, W. Appel, AND S. Roselle. Lightning NOX Distribution and Its Impact on Ozone Over the Contiguous United States During 2011. Chapter 51, Air Pollution Modeling and its Application XXVI. Springer Berlin-Heidelberg, , Germany, , 323-328, (2020). https://doi.org/10.1007/978-3-030-22055-6_51
Pleim, J., L. Ran, Keith Appel, M. Shephard, AND K. Cady-Pereira. New Bidirectional Ammonia Flux Model in an Air Quality Model Coupled With an Agricultural Model. Journal of Advances in Modeling Earth Systems. John Wiley & Sons, Inc., Hoboken, NJ, 11(9):2934-2957, (2019). https://doi.org/10.1029/2019MS001728
Appel, Keith, C. Hogrefe, K. Foley, B. Murphy, H. Pye, G. Sarwar, J. Bash, J. Pleim, AND R. Mathur. Regional and hemispheric evaluation of the new Community Multiscale Air Quality Model (CMAQ) version 5.3. 2019 Meteorology and Climate - Modeling for Air Quality Conference, Davis, California, September 11 - 13, 2019.
Kang, D., R. Mathur, Keith Appel, C. Hogrefe, G. Pouliot, Cheung Wong, AND S. Roselle. The Variability of Lightning Flashes, Lightning NO, and the Implications for Air Quality over the Contiguous United States. 2019 International Technical Meeting on Air Pollution Modelling and its Application, Hamburg, GERMANY, September 23 - 27, 2019.
Zhou, L., D. Schwede, W. Appel, M. Mangiante, David-C Wong, S. Napelenok, P. Whung, AND B. Zhang. The impact of air pollutant deposition on solar energy system efficiency: An approach to estimate PV soiling effects with the Community Multiscale Air Quality (CMAQ) model. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 651(1):456-465, (2019). https://doi.org/10.1016/j.scitotenv.2018.09.194
2018
Friberg, M., R. Kahn, J. Limbacher, W. Appel, AND J. Mulholland. Constraining chemical transport PM2.5 modeling outputs using surface monitor measurements and satellite retrievals: application over the San Joaquin Valley. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 18:12891-12913, (2018). https://doi.org/10.5194/acp-18-12891-2018
Pye, H., A. Zuend, J. Fry, G. Isaacman-VanWertz, S. Capps, W. Appel, H. Foroutan, L. Xu, N. Ng, AND A. Goldstein. Coupling of organic and inorganic aerosol systems and the effect on gas–particle partitioning in the southeastern US. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 18:357-370, (2018).
Pleim, Jon, David-C Wong, R. Gilliam, J. Herwehe, R. Bullock, G. Pouliot, C. Hogrefe, W. Appel, R. Mathur, AND L. Ran. Development of a Next Generation Air Quality Modeling System. 1st CMAS-Asia-Pacific Conference, Beijing, CHINA, May 21 - 23, 2018.
Pleim, Jon, R. Gilliam, David-C Wong, J. Herwehe, R. Bullock, Bill Hutzell, G. Pouliot, C. Hogrefe, W. Appel, L. Ran, AND H. Foroutan. Development of the Next Generation Air Quality Modeling System (20th Joint Conference on the Applications of Air Pollution Meteorology with the A&WMA). 20th Joint Conference on the Applications of Air Pollution Meteorology with the A&WMA, Austin, TX, January 07 - 11, 2018.
Zhou, L., D. Schwede, W. Appel, M. Mangiante, David-C Wong, S. Napelenok, P. Whung, AND B. Zhang. Estimating PV soiling effects with the Community Multiscale Air Quality (CMAQ) model. 2018 AGU Fall Meeting, Washington D.C., Washington D.C, December 10 - 14, 2018.
Hogrefe, C., K. Foley, W. Appel, S. Roselle, D. Schwede, J. Bash, AND R. Mathur. Evaluation and Intercomparison of CMAQ-Simulated Ozone and PM2.5 Trends Over the United States. 2018 CMAS Conference, Chapel Hill, NC, October 22 - 24, 2018.
Ran, L., E. Cooter, D. Yang, Y. Yuan, V. Benson, J. Williams, Jon Pleim, Keith Wyat Appel, R. Wang, A. Hanna, V. Garcia, AND R. Mathur. FEST-C v1.4: An integrated agriculture, atmosphere, and hydrology modeling system for ecosystem assessments. 2018 CMAS Annual Conference, Chapel Hill, NC, October 22 - 24, 2018.
Henderson, B., P. Dolwick, C. Jang, C. Misenis, N. Possiel, B. Timin, A. Eyth, J. Vukovich, R. Mathur, C. Hogrefe, G. Pouliot, W. Appel, AND K. Brehme. Hemispheric CMAQ Application and Evaluation for 2016. 2018 CMAQ Annual Conference, Chapel Hill, NC, October 22 - 24, 2018.
Appel, W., C. Hogrefe, R. Gilliam, Jon Pleim, K. Foley, R. Mathur, AND S. Roselle. Impact of WRF cumulus parameterization options on regional and fine-scale WRF-CMAQ simulations. Joint WRF/MPAS workshop, CO, Boulder, June 11 - 15, 2018.
Appel, W., C. Hogrefe, K. Foley, R. Gilliam, AND S. Roselle. Impact of cumulus parameterization options on cloud, ozone, and PM2.5 performance in regional- to urban-scale WRF-CMAQ simulations. 2018 AGU Fall Meeting, Washington, DC, December 10 - 14, 2018.
Bash, J., D. Schwede, W. Appel, AND H. Pye. Insights into modeled elevated O3 over water bodies. Lake Michigan Ozone Study, Durham, NC, June 19, 2018.
Bash, J., Johnt Walker, D. Schwede, P. Campbell, T. Spero, W. Appel, M. Shephard, K. Cady-Pereira, R. Pinder, H. Pye, B. Murphy, AND K. Fahey. Introducing the Surface Tiled Aerosol and Gaseous Exchange (STAGE) Dry Deposition Option for CMAQ V5.3. 2018 CMAS Annual Conference, Chapel Hill, NC, October 22 - 24, 2018.
Hogrefe, C., H. Simon, P. Dolwick, K. Foley, W. Appel, S. Roselle, AND R. Mathur. Model Evaluation – Progress and Challenges. 2018 Southern California Ozone Research Symposium, Riverside, CA, June 06 - 07, 2018.
Appel, W., C. Hogrefe, K. Foley, G. Pouliot, R. Gilliam, B. Murphy, H. Pye, J. Bash, Jon Pleim, G. Sarwar, S. Roselle, AND R. Mathur. Preliminary Evaluation of the CMAQ v5.3 Beta Release. 17th Annual CMAS Conference, Chapel Hill, NC, October 22 - 24, 2018.
Kang, D., R. Mathur, L. Ran, G. Pouliot, David-C Wong, K. Foley, W. Appel, AND S. Roselle. Quantification of Lightning NOX and its Impact on Air Quality over the Contiguous United States. 2018 CMAS Conference, Chapel Hill, North Carolina, October 22 - 24, 2018.
Kang, D., R. Mathur, L. Ran, G. Pouliot, David-C Wong, K. Foley, W. Appel, AND S. Roselle. Regional and Seasonal Lightning NOx and Implications to Ground-Level Air Quality Over the Contiguous United States. 2018 International Technical Meeting on Air Pollution Modelling and its Application, Ottawa, CANADA, May 14 - 18, 2018.
Bash, J., V. Rao, I. Rumsey, Johnt Walker, P. Campbell, T. Spero, W. Appel, M. Shephard, AND K. Cady-Pereira. Runtime NH3 emission estimates using the Surface Tiled Aerosol and Gaseous Exchange (STAGE) dry deposition option in the Community Multiscale Air Quality (CMAQ) Model v5.3. 2018 AGU Fall Meeting, Washington, DC, December 10 - 14, 2018.
Murphy, B., W. Appel, J. Bash, K. Fahey, B. Henderson, Bill Hutzell, D. Kang, D. Luecken, R. Mathur, S. Napelenok, Chris Nolte, H. Pye, Jon Pleim, M. Qin, L. Ran, S. Roselle, G. Sarwar, D. Schwede, Q. Shu, AND T. Spero. Scientific and Structural Developments in CMAQv5.3. 2018 CMAS Conference, Chapel Hill, North Carolina, October 22 - 24, 2018.
Pleim, Jon, David-C Wong, R. Gilliam, J. Herwehe, R. Bullock, C. Hogrefe, G. Pouliot, L. Ran, B. Murphy, D. Kang, W. Appel, R. Mathur, AND E. Hubal. The New Generation of Air Quality Modeling Systems. ENVIRONMENTAL MANAGEMENT. Springer-Verlag, New York, NY, , 1-6, (2018).
Wilkins, J., G. Pouliot, K. Foley, W. Appel, AND Tom Pierce. The impact of US wildland fires on ozone and particulate matter: a comparison of measurements and CMAQ model predictions from 2008 to 2012. International Journal of Wildland Fire. CSIRO Publishing, Collingwood Victoria, Australia, 27(10):684-698, (2018). https://doi.org/10.1071/WF18053
Appel, W., R. Gilliam, K. Foley, AND C. Hogrefe. Updates in the Atmospheric Model Evaluation Tool (AMET) Version 1.4. 2018 CMAS Conference, Chapel Hill, NC, October 22 - 24, 2018.
2017
Fahey, K., A. Carlton, H. Pye, J. Baek, Bill Hutzell, C. Stanier, K. Baker, W. Appel, M. Jaoui, AND J. Offenberg. A framework for expanding aqueous chemistry in the Community Multiscale Air Quality (CMAQ) model version 5.1. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 10(4):1587-1605, (2017). https://doi.org/10.5194/gmd-10-1587-2017
Ran, L., R. Gilliam, David-C Wong, H. Foroutan, Jon Pleim, G. Pouliot, W. Appel, D. Kang, S. Roselle, B. Eder, AND E. Cooter. Advanced Land Surface Processes in the Coupled WRF/CMAQ with MODIS Input. 16th Annual CMAS Conference, Chapel Hill, North Carolina, October 23 - 26, 2017.
Kang, D., R. Mathur, C. Hogrefe, R. Gilliam, G. Pouliot, S. Roselle, W. Appel, R. Matichuk, AND G. Tonnesen. Application of Lidar Data to the Performance Evaluations of CMAQ Model. 97th AMS Conference, Seattle, WA, January 22 - 26, 2017.
Appel, W., R. Gilliam, R. Mathur, S. Roselle, Jon Pleim, AND C. Hogrefe. Application, evaluation and sensitivity analysis of the coupled WRF-CMAQ system from regional to urban scales. 2017 AGU Fall Meeting, New Orleans, LA, December 11 - 15, 2017.
Appel, W., S. Napelenok, K. Foley, H. Pye, C. Hogrefe, D. Luecken, J. Bash, S. Roselle, Jon Pleim, H. Foroutan, Bill Hutzell, G. Pouliot, G. Sarwar, K. Fahey, B. Gantt, R. C. GILLIAM, N. Heath, D. Kang, R. Mathur, D. Schwede, T. Spero, David-C Wong, AND Jeff Young. Description and evaluation of the Community Multiscale Air Quality (CMAQ) modeling system version 5.1. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 10(4):1703-1732, (2017). https://doi.org/10.5194/gmd-10-1703-2017
Appel, W. Development and application of air quality models at the U.S. EPA. UVA Seminar on Development & Application of airt quality models at the U.S.EPA, Charlottesville, VA, February 21, 2017.
Foroutan, H., Jeff Young, S. Napelenok, L. Ran, W. Appel, R. Gilliam, AND Jon Pleim. Development and evaluation of a physics-based windblown dust emission scheme implemented in the CMAQ modeling system. Journal of Advances in Modeling Earth Systems. John Wiley & Sons, Inc., Hoboken, NJ, 9(1):585-608, (2017).
Pleim, Jon, R. Gilliam, David-C Wong, J. Herwehe, R. Bullock, G. Pouliot, C. Hogrefe, W. Appel, Bill Hutzell, D. Kang, L. Ran, AND H. Foroutan. Development of the Next Generation Air Quality Modeling System. 16th Annual CMAS Conference, Chapel Hill, North Carolina, October 23 - 25, 2017.
Pye, H., B. Murphy, L. Xu, N. Ng, A. Carlton, H. Guo, R. Weber, P. Vasilakos, W. Appel, S. Budisulistiorini, J. Surratt, A. Nenes, W. Hu, J. Jimenez, G. saacman-VanWertz, P. Misztal, AND A. Goldstein. On the implications of aerosol liquid water and phase separation for organic aerosol mass. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 17(1):343-369, (2017). https://doi.org/10.5194/acp-17-343-2017
Appel, W., S. Napelenok, C. Hogrefe, G. Pouliot, K. Foley, S. Roselle, Jon Pleim, J. Bash, H. Pye, N. Heath, B. Murphy, AND R. Mathur. Overview and Evaluation of the Community Multiscale Air Quality (CMAQ) Modeling System Version 5.2. Chapter 11, Air Pollution Modeling and its Application XXV. Springer International Publishing AG, Cham (ZG), Switzerland, , 69-73, (2017).
Appel, W., Jon Pleim, R. Mathur, J. Bash, AND D. Luecken. Overview and Evaluation of the Community Multiscale Air Quality Model Version 5.2. American Meteorological Society Annual Meeting, Seattle, WA, January 22 - 27, 2017.
Mathur, R., Jon Pleim, B. Murphy, AND W. Appel. Recent Enhancements to the Community Multiscale Air Quality Modeling System (CMAQ). CMAQv5.2 Webinar, N/A, N/A, January 31, 2017.
Ran, L., E. Cooter, V. Benson, R. Gilliam, H. Foroutan, Jon Pleim, D. Kang, W. Appel, G. Pouliot, AND David-C Wong. Sensitivity of an Integrated Mesoscale Atmosphere and Agriculture Land Modeling System (WRF/CMAQ-EPIC) to MODIS Vegetation and Lightning Assimilation. 2017 AGU Fall Meeting, New Orleans, Louisiana, December 11 - 15, 2017.
Appel, W. AND K. Foley. The Use of AMET & Automated Scripts for Model Evaluation. AMET & Automated Sxripts for model Evaluation, Durham, NC, March 02, 2017.
Appel, W. AND K. Foley. The Use of AMET and Automated Scripts for Model Evaluation. 4th Biannual Western Modeling Workshop, Denver, CO, September 06 - 08, 2017.
Appel, W. AND R. Gilliam. What's new in the Atmospheric Model Evaluation Tool (AMET) version 1.3. 16th Annual CMAS Conference, Chapel Hill, North Carolina, October 23 - 25, 2017.
2016
Xu, Y., J. Burke, W. Appel, AND S. Roselle. Comparison of human exposure model estimates of PM2.5 exposure variability using fine-scale CMAQ simulations from the Baltimore DISCOVER-AQ evaluation. 2016 CMAS Conference, Chapel Hill, NC, October 24 - 26, 2016.
Seltzer, K., Chris Nolte, T. Spero, W. Appel, AND J. Xing. Evaluation of near surface ozone and particulate matter in air quality simulations driven by dynamically downscaled historical meteorological fields. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 138:42-54, (2016).
Appel, W., S. Napelenok, C. Hogrefe, K. Foley, G. Pouliot, S. Roselle, AND Jon Pleim. Evaluation of the Community Multi-scale Air Quality (CMAQ) Model Version 5.1. US-UK Workshop, London, UK, September 29 - 30, 2016.
Appel, W., S. Napelenok, C. Hogrefe, K. Foley, G. Pouliot, B. Murphy, D. Luecken, AND N. Heath. Evaluation of the Community Multi-scale Air Quality (CMAQ) Model Version 5.2. ITM 2016: 35th International Technical Meeting on Air Pollution Modeling and Its Application, Crete, GREECE, October 03 - 07, 2016.
Appel, W., S. Napelenok, C. Hogrefe, K. Foley, G. Pouliot, B. Murphy, D. Luecken, AND N. Heath. Evaluation of the Community Multi-scale Air Quality Model Version 5.2. ITM 2016: 35th International Technical Meeting on Air Pollution Modeling and Its Application, Crete, GREECE, October 03 - 07, 2016.
Appel, W., S. Napelenok, C. Hogrefe, K. Foley, G. Pouliot, S. Roselle, AND Jon Pleim. Evaluation of the Community Multiscale Air Quality (CMAQ) Model Version 5.1. American Meteorological Society Annual Meeting, New Orleans, LA, January 10 - 14, 2016.
Appel, W., S. Napelenok, C. Hogrefe, K. Foley, G. Pouliot, B. Murphy, D. Luecken, AND N. Heath. Evaluation of the Community Multiscale Air Quality (CMAQ) Model Version 5.2. ITM 2016: 35th International Technical Meeting on Air Pollution Modeling and Its Application, Chania, GREECE, October 03 - 07, 2016.
Heath, N., Jon Pleim, R. Gilliam, D. Kang, M. Woody, K. Foley, AND W. Appel. Impacts of WRF lightning assimilation on offline CMAQ simulations. 2016 CMAS Conference, Chapel Hill, NC, October 24 - 26, 2016.
Pleim, Jon, R. Gilliam, W. Appel, AND L. Ran. Recent Advances in Modeling of the Atmospheric Boundary Layer and Land Surface in the Coupled WRF-CMAQ Model. Chapter 64, Air Pollution Modeling and its Application XXIV. Springer International Publishing AG, Cham (ZG), Switzerland, , 391-396, (2016).
Appel, W. The Use of Air Quality Models in U.S. EPA Research and Regulations. UVA Seminar Series, Charlottesville, VA, March 29, 2016.
Appel, W. The Use of Air Quality Models in U.S. EPA Research and Regulations (UVA presentation). University of Virginia Undergraduate Seminar Series, Charlottesville, VA, March 29, 2016.
Appel, W., K. Foley, C. Hogrefe, H. Pye, AND B. Murphy. Updates to the CMAQ Post Processing and Evaluation Tools for 2016. 2016 CMAS Conference, Chapel Hill, NC, October 24 - 26, 2016.