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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
Sarwar, G., C. Hogrefe, B. Henderson, R. Mathur, R. Gilliam, A. Callaghan, J. Lee, AND L. Carpenter. Impact of particulate nitrate photolysis on air quality over the Northern Hemisphere. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 917:N/A, (2024). https://doi.org/10.1016/j.scitotenv.2024.170406
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
Alapaty, K., J. Bash, R. Gilliam, C. Hogrefe, B. Henderson, D. Kang, B. Cheng, C. Nolte, S. Arunachalam, AND A. Vette. A new paradigm for PBL modeling in meteorological and air quality models. 22nd Annual CMAS Conference, chapel hill, NC, October 16 - 18, 2023.
Clifton, O., D. Schwede, C. Hogrefe, J. Bash, S. Bland, P. Cheung, M. Coyle, L. Emberson, J. Fleming, E. Fredj, S. Galmarini, L. Ganzeveld, O. Gazetas, I. Goded, C. Holmes, L. Horváth, V. Huijnen, Q. Li, P. Makar, I. Mammarella, G. Manca, W. Munger, J. Pérez-Camanyo, Jon Pleim, L. Limei Ran, R. San Jose, S. Silva, R. Staebler, S. Sun, A. Tai, E. Tas, T. Vesala, T. Weidinger, Z. Wu, AND L. Zhang. A single-point modeling approach for the intercomparison and evaluation of ozone dry deposition across chemical transport models (Activity 2 of AQMEII4). Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 23(17):9911–9961, (2023). https://doi.org/10.5194/acp-23-9911-2023
Clifton, O., D. Schwede, C. Hogrefe, A. Khan, S. Galmarini, L. Emberson, J. Fleming, C. Holmes, P. Makar, S. Silva, J. Bash, S. Bland, P. Cheung, L. Ganzeveld, V. Huijnen, J. Perez Camanyo, J. Pleim, L. Ran, R. San Jose, S. Sun, A. Tai, M. Coyle, E. Fredj, I. Goded, O. Gazetas, L. Horváth, Q. Li, I. Mammarella, G. Manca, W. Munger, R. Staebler, E. Tas, T. Vesala, T. Weidinger, Z. Wu, AND L. Zhang. AQMEII4 Activity 2 - A single-point modeling approach for the intercomparison and evaluation of ozone dry deposition across regional air quality models. ITM 2023 International Technical Meeting On Air Pollution Modeling And Its Application, Chapel Hill, NC, May 22 - 26, 2023.
Clifton, O., D. Schwede, C. Hogrefe, J. Bash, S. Bland, P. Cheung, M. Coyle, L. Emberson, J. Fleming, E. Fredj, S. Galmarini, L. Ganzeveld, O. Gazetas, I. Goded, C. Holmes, L. Horváth, V. Huijnen, Q. Li, P. Makar, I. Mammarella, G. Manca, W. Munger, J. Perez Camanyo, J. Pleim, L. Ran, R. San Jose, S. Silva, R. Staebler, S. Sun, A. Tai, E. Tas, T. Vesala, T. Weidinger, Z. Wu, AND L. Zhang. AQMEII4 Activity 2: A single-point modeling approach for the intercomparison and evaluation of ozone dry deposition across regional air quality models. 25th Conference on Atmospheric Chemistry at the 103rd Annual Meeting of the American Meteorological Society, Denver, CO, January 08 - 12, 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
Madden, James, D. Kang, J. East, G. Sarwar, C. Hogrefe, R. Mathur, AND B. Henderson. Applying Multiple Approaches within CMAQ to Improve the Representation of Lightning NOx Emissions Across the Northern Hemisphere. 103rd Annual AMS Conference, Denver, CO, January 08 - 12, 2023.
Sarwar, G., C. Hogrefe, B. Henderson, K. Foley, R. Mathur, B. Murphy, AND S. Ahmed. Characterizing variations in ambient PM2.5 concentrations at the U.S. Embassy in Dhaka, Bangladesh using observations and the CMAQ modeling system. ENVIRONMENT INTERNATIONAL. Elsevier B.V., Amsterdam, Netherlands, 296:N/A, (2023). https://doi.org/10.1016/j.atmosenv.2023.119587
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.
Wong, Cheung, J. Willison, J. Pleim, Orren Bullock, R. Gilliam, Jerold Herwehe, G. Pouliot, C. Hogrefe, D. Kang, AND H. Foroutan. Construction of the Advanced Air Quality Modeling System (AAQMS) and the MPAS-CMAQ Coupled Model. 22nd Annual CMAS Conference, Chapel Hill, NC, October 16 - 18, 2023.
Mathur, R., D. Kang, S. Napelenok, C. Hogrefe, G. Sarwar, J. Xing, S. Itahashi, AND B. Henderson. Contributions of Source Regions to Changes in Long-Range Transported Ozone to North America during 1990-2010: A Modeling Analysis-Book Chapter. Air Pollution Modeling and Its Application XXVIII. Springer, Heidelberg, Germany, , 107-112, (2023). https://doi.org/10.1007/978-3-031-12786-1_14
Clifton, O., S. Galmarini, C. Hogrefe, L. Emberson, J. Fleming, C. Holmes, P. Makar, D. Schwede, S. Silva, U. Alyuz, J. Bash, S. Bland, T. Butler, P. Cheung, L. Ganzeveld, A. Hodzic, V. Huijnen, R. Kranenburg, S. Kumar, A. Lupascu, K. Momoh, H. Nowell, J. Perez Camanyo, J. Pleim, L. Ran, Y. Ryu, R. San Jose, R. Sokhi, S. Sun, A. Tai, M. Coyle, E. Fredj, I. Goded, O. Gazetas, L. Horváth, Q. Li, I. Mammarella, G. Manca, W. Munger, R. Staebler, E. Tas, T. Vesala, T. Weidinger, Z. Wu, L. Zhang, R. Bellasio, R. Bianconi, A. Khan, AND I. Kioutsioukis. Dry deposition of ozone: Intercomparison and evaluation across chemical transport models in the Air Quality Model Evaluation International Initiative (AQMEII). Virtual Spring Meeting of the Task Force on Hemispheric Transport of Air Pollution (TF HTAP), Virtual Online Meeting, NC, April 20 - 21, 2023.
Alapaty, Kiran, J. Bash, R. Gilliam, C. Hogrefe, B. Henderson, D. Kang, B. Cheng, Chris Nolte, S. Arunachalam, AND A. Vette. Ending the half-a-century monopoly of similarity functions in the boundary layer modeling. Meteorology and Climate - Modeling for Air Quality Conference, near Sacramento, CA, September 13 - 15, 2023.
Bash, J., C. Hogrefe, B. Cheng, Kiran Alapaty, D. Schwede, Z. Wu, M. Coyle, E. Fredj, I. Goded, G. Manca, O. Gazetas, L. Horváth, Q. Li, E. Tas, I. Mammarella, T. Vesala, J. Munger, R. Staebler, L. Zhang, T. Weidinger, AND O. Clifton. Evaluation and optimization of the Surface Tiled Aerosol and Gaseous Exchange (STAGE) resistance model in CMAQv5.4 with long term ozone flux observations at multiple sites. International Technical Meeting on Air Pollution Modelling 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.
Sarwar, G., C. Hogrefe, B. Henderson, AND R. Mathur. Impact of aerosol nitrate photolysis on air quality over the Northern Hemisphere. Annual CMAS Conference, 2023, Chapel Hill, NC, October 16 - 18, 2023.
Kang, D., M. Madden, C. Hogrefe, G. Sarwar, R. Mathur, AND B. Henderson. Modeling Lightning NOx Emissions over the Contiguous United States and the Northern Hemisphere with NLDN and WWLLN data. 103rd Annual AMS Conference, Denver, CO, January 08 - 12, 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.
Willison, J., Jon Pleim, D. Wong, R. Gilliam, R. Bullock, J. Herwehe, C. Hogrefe, G. Pouliot, G. Sarwar, AND R. Mathur. Recent advancement of EPA’s global air quality modeling system: MPAS-CMAQ. 103rd American Meteorological Society Annual Meeting, Denver, CO, January 08 - 12, 2023.
Lee, C., P. Makar, K. Toyota, C. Hogrefe, O. Clifton, M. Coyle, E. Fredj, O. Gazetas, I. Goded, L. Horváth, Q. Li, I. Mammarella, G. Manca, W. Munger, R. Staebler, E. Tas, T. Vesala, T. Weidinger, Z. Wu, AND L. Zhang. The Well-Tempered Deposition Algorithm: Theme and Variation on Physically-based Machine Learning. 22nd Annual CMAS Conference, Chapel Hill, NC, October 16 - 18, 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
Hogrefe, C., O. Clifton, P. Makar, AND S. Galmarini. AQMEII4 Phase 4: Diagnostic Analysis of Atmospheric Deposition Through Grid and Point Model Intercomparisons. 13th International Workshop on Atmospheric Modeling Research in East Asia (Virtual), Virtual Zoom Workshop, NC, December 22 - 23, 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.
Willison, J., Jon Pleim, D. Wong, R. Gilliam, R. Bullock, J. Herwehe, C. Hogrefe, G. Pouliot, AND R. Mathur. Development and evaluation of the coupled MPAS-CMAQ model system. MPAS Meeting, Virtual, CO, June 07 - 09, 2022.
Clifton, O., S. Galmarini, C. Hogrefe, L. Emberson, J. Fleming, C. Holmes, P. Makar, D. Schwede, S. Silva, U. Alyuz, J. Bash, S. Bland, T. Butler, P. Cheung, L. Ganzeveld, A. Hodzic, V. Huijnen, R. Kranenburg, S. Kumar, A. Lupascu, K. Momoh, H. Nowell, J. Perez Camanyo, J. Pleim, L. Ran, Y. Ryu, R. San Jose, R. Sokhi, S. Sun, A. Tai, M. Coyle, E. Fredj, I. Goded, O. Gazetas, L. Horváth, Q. Li, I. Mammarella, G. Manca, W. Munger, R. Staebler, E. Tas, T. Vesala, T. Weidinger, Z. Wu, L. Zhang, R. Bellasio, R. Bianconi, AND I. Kioutsioukis. Dry deposition of ozone: Intercomparison and evaluation across regional models in the Air Quality Model Evaluation International Initiative (AQMEII). Task Force on Hemispheric Transport of Air Pollution, Virtual, Virtual, May 19, 2022.
Bash, J., C. Hogrefe, B. Cheng, K. Alapaty, J. Walker, D. Schwede, AND O. Clifton. Evaluation and improvement of the Surface Tiled Aerosol and Gaseous Exchange (STAGE) resistance model with long term ozone fluxes at multiple sites. AMS 2022, Virtual, TX, January 23 - 27, 2022.
Clifton, O., L. Emberson, J. Fleming, S. Galmarini, C. Hogrefe, C. Holmes, P. Makar, D. Schwede, AND S. Silva. Fourth Phase of the Air Quality Model Evaluation International Initiative (AQMEII4). NCAR Ozone Dry Deposition Virtual Workshop, Virtual, Virtual, March 28 - 30, 2022.
Mathur, R., D. Kang, S. Napelenok, J. Xing, C. Hogrefe, G. Sarwar, S. Itahashi, AND B. Henderson. How Have Divergent Global Emission Trends Influenced Long-range Transported Ozone to North America? JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 127(16):e2022JD036926, (2022). https://doi.org/10.1029/2022JD036926
2021
Pleim, Jon, D. Wong, R. Gilliam, J. Willison, R. Bullock, J. Herwehe, C. Hogrefe, AND G. Pouliot. (MAC-MAQ) Conference - Development and evaluation of the coupled MPAS-CMAQ model system. Meteorology and Climate – Modeling for Air Quality (MAC-MAQ) Conference, Davis, CA, September 15 - 17, 2021.
Galmarini, S. AND C. Hogrefe. A reflection on 10 years of the Air Quality Model Evaluation International Initiative. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION. Air & Waste Management Association, Pittsburgh, PA, 71(12):1454-1457, (2021). https://doi.org/10.1080/10962247.2021.1989920
Kang, D., G. Sarwar, C. Hogrefe, D. Wong, AND R. Mathur. Adaptation of World Wide Lightning Location Network Observations for Lightning Assimilation and Lightning NO in the WRF-CMAQ Modeling System. AMS 2021, Morrisville, NC, January 10 - 14, 2021.
Willison, J., Jon Pleim, D. Wong, F. Binkowski, AND C. Hogrefe. Adding the Model of Emissions of Gases and Aerosols from Nature (MEGAN) to the CMAQ Modeling System for inline biogenic emissions. 20th CMAS Conference, Virtual, NC, November 01 - 05, 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
Miller, R., C. Hogrefe, R. Mathur, Jon Pleim, AND K. Foley. An evaluation of trends and variability in aerosol optical depth over the Northern Hemisphere simulated by CMAQv5.3.2 for the EQUATES project. 20th Annual CMAS Conference, NA, NC, November 01 - 05, 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. BOSC AE Meeting : The Community Multiscale Air Quality (CMAQ) Modeling System. Virtual meeting of the Board of Scientific Counselors (BOSC) Subcommittee for the Air and Energy Research Program, NA, February 17, 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.
Mathur, R., D. Kang, S. Napelenok, C. Hogrefe, G. Sarwar, B. Henderson, J. Xing, AND S. Itahashi. Contributions of Source Regions to Changes in Long-Range Transported Ozone to North America during 1990-2010: A Modeling Analysis. International Technical Meeting on Air Pollution Modeling and Its Applications, Barcelona (and virtual), N/A, SPAIN, October 18 - 22, 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.
Skipper, T., Y. Hu, M. Odman, B. Henderson, C. Hogrefe, R. Mathur, AND A. Russell. EST Publication: Estimating US background ozone levels using data fusion. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 55(8):4504-4512, (2021). https://doi.org/10.1021/acs.est.0c08625
Hogrefe, C., S. Galmarini, P. Makar, O. Clifton, J. Flemming, C. Holmes, I. Kioutsioukis, A. Lupascu, D. Schwede, AND S. Silva. 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). Meteorology and Climate - Modeling for Air Quality Conference, Davis, California, September 15 - 17, 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.
Henneman, L., H. Shen, C. Hogrefe, A. Russell, AND C. Zigler. Four Decades of United States Mobile Source Pollutants: Spatial–Temporal Trends Assessed by Ground-Based Monitors, Air Quality Models, and Satellites. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 55(2):882-892, (2021). https://doi.org/10.1021/acs.est.0c07128
Itahashi, S., R. Mathur, C. Hogrefe, S. Napelenok, AND Y. Zhang. Impacts of Volcanic Degassing Emissions Across the United States. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, October:1-5, (2021).
Kang, D., J. Willison, G. Sarwar, M. Madden, C. Hogrefe, R. Mathur, B. Gantt, AND S. Alfonso. Improving the Characterization of the Natural Emissions in CMAQ. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, (10):1-7, (2021).
Itahashi, S., R. Mathur, C. Hogrefe, S. Napelenok, AND Y. Zhang. Incorporation of volcanic SO2 emissions in the Hemispheric CMAQ (H-CMAQ) version 5.2 modeling system and assessing their impacts on sulfate aerosol over the Northern Hemisphere. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 14(9):5751–5768, (2021). https://doi.org/10.5194/gmd-14-5751-2021
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.
Benish, S., J. Bash, K. Foley, S. Napelenok, C. Hogrefe, AND L. Linker. Modeling of Nitrogen and Sulfur Deposition in the Chesapeake Watershed and Tidal Bay: Trends and Sources. CMAS, Virtual, NC, November 01 - 05, 2021.
Mathur, R., C. Hogrefe, J. Szykman, G. Hagler, A. Hakami, AND S. Zhao. Need and Potential Benefits of Improving Aloft Air Pollution Characterization: A Modeling Perspective. Chapter 22, Air Pollution Modeling and its Application XXVII. Springer, Heidelberg, Germany, , 139–144, (2021). https://doi.org/10.1007/978-3-662-63760-9_21
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.
Galmarini, S., P. Makar, O. Clifton, C. Hogrefe, J. Bash, R. Bellasio, R. Bianconi, J. Bieser, T. Butler, J. Ducker, J. Flemming, A. Hodzic, C. Holmes, I. Kioutsioukis, R. Kranenburg, A. Lupascu, J. Perez-Camanyo, Jon Pleim, Y. Ryu, R. San Jose, D. Schwede, S. Silva, AND R. Wolke. Technical note: AQMEII4 Activity 1: evaluation of wet and dry deposition schemes as an integral part of regional-scale air quality models. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 21(20):15663, (2021). https://doi.org/10.5194/acp-21-15663-2021
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
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
Wong, D., H. Foroutan, Jon Pleim, R. Bullock, R. Gilliam, J. Herwehe, G. Pouliot, C. Hogrefe, AND J. Willison. A Coupled MPAS-CMAQ Modeling System. AMS 2020, Boston, MA, January 13 - 16, 2020.
Kang, D., C. Hogrefe, B. Murphy, V. Isakov, R. Mathur, R. Gilliam, G. Pouliot, B. Henderson, F. Sidi, G. Sarwar, AND T. Spero. Air Quality Changes under COVID-19 Social Distancing in the United States: Observational Analysis and Modeling Sensitivity Study. UK-US Collaboration on Air-Quality Modelling & Exposure Science Virtual Workshop, Virtual, November 16 - 17, 2020.
Luo, H., M. Astitha, C. Hogrefe, R. Mathur, AND S. Rao. Assessing the manageable portion of the ozone problem in the contiguous United States. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION. Air & Waste Management Association, Pittsburgh, PA, 70(11):1136-1147, (2020). https://doi.org/10.1080/10962247.2020.1805375
Makar, P., A. Akingunola, J. Zhang, B. Pabla, Q. Zheng, M. Moran, P. Cheung, A. Lupu, A. Robichaud, J. Aherne, O. Clifton, D. Schwede, R. Bianconi, R. Bellasio, C. Hogrefe, AND S. Galmarini. Atmospheric Acidity over North America: GEM-MACH Simulations for AQMEII-4. European Geophysical Union General Assembly 2020, Vienna, AUSTRIA, May 04 - 08, 2020.
Napelenok, S., Bill Hutzell, C. Hogrefe, B. Murphy, J. Bash, K. Baker, K. Foley, Q. Shu, AND R. Mathur. CMAQ 5.3.2: Updates to Integrated Source Apportionment Method (ISAM). CMAS Annual Conference 2020, Chapel Hill, NC, October 19 - 21, 2020.
Skipper, T., Y. Hu, M. Odman, B. Henderson, C. Hogrefe, R. Mathur, AND A. Russell. Estimating US background ozone levels using data fusion. CMAS Conference, NA (Virtual Conference), NC, October 26 - 30, 2020.
Luo, H., M. Astitha, C. Hogrefe, R. Mathur, AND S. Rao. Evaluating Trends and Seasonality in Modeled PM2.5 Concentrations Using Empirical Mode Decomposition. Atmospheric Pollution Research. Turkish National Committee for Air Pollution Research and Control, Izmir, Turkey, 20(22):13801-13815, (2020). https://doi.org/10.5194/acp-20-13801-2020
Pleim, Jon, D. Wong, J. Willison, R. Gilliam, J. Herwehe, R. Bullock, G. Pouliot, C. Hogrefe, D. Kang, Bill Hutzell, R. Mathur, AND L. Ran. Evaluation of the MPAS-CMAQ global air quality modeling system. AMS 2020 meeting, Boston, MA, Boston, Massachusetts, January 12 - 16, 2020.
Bash, J., D. Schwede, AND C. Hogrefe. Future Directions and the Importance of Scale in Estimating Atmospheric Nitrogen Loading to the next generation Chesapeake Bay model. Chesapeake Community Research Symposium 2020, Parole, Maryland, June 08 - 10, 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.
Peterson, G., C. Hogrefe, L. Neas, A. Corrigan, R. Mathur, AND A. Rappold. Impacts of Reductions in Emissions from Major Source Sectors on Fine Particulate Matter-Related Cardiovascular Mortality. ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 128(1):17005, (2020). https://doi.org/10.1289/EHP5692
Itahashi, S., R. Mathur, C. Hogrefe, AND Y. Zhang. Modeling stratospheric intrusion and trans-Pacific transport on tropospheric ozone using hemispheric CMAQ during April 2010 – Part 1: Model evaluation and air mass characterization for stratosphere–troposphere transport. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 20(6):3373–3396, (2020). https://doi.org/10.5194/acp-20-3373-2020
Itahashi, S., R. Mathur, C. Hogrefe, S. Napelenok, AND Y. Zhang. Modeling stratospheric intrusion and trans-Pacific transport on tropospheric ozone using hemispheric CMAQ during April 2010 – Part 2: Examination of emission impacts based on the higher-order decoupled direct method. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 20(6):3397–3413, (2020). https://doi.org/10.5194/acp-20-3397-2020
Hogrefe, C., B. Henderson, G. Tonnesen, R. Mathur, AND R. Matichuk. Multiscale Modeling of Background Ozone: Research Needs to Inform and Improve Air Quality Management. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, , 1-6, (2020).
Rao, S., H. Luo, M. Astitha, C. Hogrefe, Valerie Cover, AND R. Mathur. On the limit to the accuracy of regional-scale air quality models. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 20(3):1627–1639, (2020). https://doi.org/10.5194/acp-20-1627-2020
Hogrefe, C., S. Galmarini, P. Makar, O. Clifton, D. Schwede, C. Holmes, J. Ducker, S. Silva, L. Emberson, J. Bieser, J. Flemming, AND M. Schaap. Overview of AQMEII Phase 4: A Multi-Pronged Approach to Intercomparing and Evaluating Modeled Deposition. Workshop of the Task Force on Hemispheric Transport of Air Pollution, Durham, North Carolina, April 22 - 24, 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.
Pleim, Jon, D. Wong, R. Gilliam, J. Willison, J. Herwehe, R. Bullock, G. Pouliot, C. Hogrefe, D. Kang, G. Sarwar, Bill Hutzell, H. Foroutan, R. Mathur, AND L. Ran. The Advanced Air Quality Modeling System: The Global MPAS-CMAQ Model. CMAS 2020 Conference, Chapel Hill, NC, October 26 - 30, 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.
Zhang, Y., J. Bash, S. Roselle, Angela Shatas, A. Repinsky, R. Mathur, C. Hogrefe, J. Piziali, T. Jacobs, AND A. Gilliland. Unexpected air quality impacts from implementation of green infrastructure in urban environments: a Kansas City Case Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 744(20):140960, (2020). https://doi.org/10.1016/j.scitotenv.2020.140960
2019
Luo, H., M. Astitha, C. Hogrefe, R. Mathur, AND S. Rao. A new method for assessing the efficacy of emission control strategies. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 199:233-243, (2019). https://doi.org/10.1016/j.atmosenv.2018.11.010
Galmarini, S., C. Hogrefe, P. Makar, J. Ducker, C. Holmes, S. Silva, O. Clifton, D. Schwede, L. Emberson, J. Bieser, J. Flemming, AND M. Schaap. AQMEII 4 Deposition: Detailing the Ongoing Fourth Phase of the Air Quality Model Evaluation International Initiative. 37th International Technical Meeting on Air Pollution Modeling and its Application, Hamburg, GERMANY, September 23 - 27, 2019.
Luo, H., M. Astitha, C. Hogrefe, R. Mathur, AND S. Rao. Analysis of Seasonality and Trends in WRF-CMAQ Modeled PM2.5 using Empirical Mode Decomposition. 2019 MAC-MAQ Conference, Davis, California, September 11 - 13, 2019.
Hogrefe, C., S. Galmarini, E. Solazzo, R. Bianconi, R. Bellasio, P. Liu, AND R. Mathur. Continental-Scale Analysis of Atmospheric Deposition Over North America and Europe Using the AQMEII Database. Chapter 48, Air Pollution Modeling and its Application XXVI. Springer Nature, New York, NY, , 305-308, (2020). https://doi.org/10.1007/978-3-030-22055-6_48
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.
Luo, H., M. Astitha, C. Hogrefe, R. Mathur, AND S. Rao. Evaluating Seasonality and Trends in Modeled PM2.5 Concentrations Using Empirical Mode Decomposition. 2019 Annual CMAS Conference, Chapel Hill, NC, October 21 - 23, 2019.
Luo, H., M. Astitha, AND C. Hogrefe. Evaluating Seasonality and Trends in Modeled PM2.5 Concentrations Using Empirical Mode Decomposition (2019 ITM). 37th International Technical Meeting on Air Pollution Modeling and Its Application, Hamburg, GERMANY, September 23 - 27, 2019.
Hogrefe, C., S. Galmarini, J. Bieser, O. Clifton, J. Ducker, L. Emberson, J. Flemming, C. Holmes, P. Makar, M. Schaap, D. Schwede, AND S. Silva. 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. 2019 Annual 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.
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.
Itahashi, S., R. Mathur, C. Hogrefe, S. Napelenok, AND Y. Zhang. Incorporation of Volcanic SO2 Emissions in H-CMAQ Modeling System and its Impacts on Sulfate Aerosol Concentration across the Northern Hemisphere. 2019 Community Modeling and Analysis System (CMAS), Chapel Hill, NC, October 21 - 23, 2019.
Mathur, R., Y. Zhang, C. Hogrefe, AND J. Xing. Long-Term Trends in Sulfur and Reactive Nitrogen Deposition Across the Northern Hemisphere and United States. Chapter 7, Air Pollution Modeling and its Application XXVI. Springer Nature, New York, NY, , 41-45, (2020). https://doi.org/10.1007/978-3-030-22055-6_7
Curci, G., U. Alyuz, R. Baro, R. Bianconi, J. Bieser, J. Christensen, A. Colette, A. Farrow, X. Francis, P. Jimenez-Guerrero, U. Im, P. Liu, A. Manders, L. Palacios-Pena, M. Prank, L. Pozzoli, R. Sokhi, E. Solazzo, P. Tuccella, A. Unal, M. Garcia Vivanco, C. Hogrefe, AND S. Galmarini. Modelling black carbon absorption of solar radiation: combining external and internal mixing assumptions. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 19(1):181-204, (2019). https://doi.org/10.5194/acp-19-181-2019
Mathur, R., C. Hogrefe, J. Szykman, G. Hagler, A. Hakami, AND S. Zhao. Need and potential benefits of improving aloft air pollution characterization: A modeling perspective. ITM 2019 - 37th International Technical Meeting on Air Pollution Modelling and its Application, Hamburg, GERMANY, September 23 - 27, 2019.
Mathur, R., C. Hogrefe, A. Hakami, S. Zhao, J. Szykman, AND G. Hagler. Need, Potential Value and Feasibility of a Ground-based Continuous Aloft Air Pollution Monitoring Network: A Modeling Perspective. 2019 AGU Fall Meeting, San Francisco, CA, December 09 - 13, 2019.
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.