Science Inventory

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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

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

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

Sahu, S., L. Chen, S. Liu, J. Xing, AND R. Mathur. Effect of Future Climate Change on Stratosphere-to-Troposphere-Exchange Driven Ozone in the Northern Hemisphere. AEROSOL AND AIR QUALITY RESEARCH . Chinese Association for Aerosol Research in Taiwan, , Taiwan, Province Of China, 23(12):220141, (2023). https://doi.org/10.4209/aaqr.220414

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.

Kumar, N., M. Janssen, M. Kleeman, S. Lee, R. Mathur, J. Pleim, A. Russell, C. Warneke, AND G. Yarwood. Research Needed to Improve Air Quality Modeling: Recommendations from a 2022 Workshop. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, EM Plus(Q2):9-13, (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.

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.

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

Wang, J., J. Xing, S. Wang, R. Mathur, J. Wang, Y. Zhang, C. Liu, J. Pleim, D. Ding, X. Chang, J. Jiang, P. Zhao, S. Kumar Sahu, Y. Jin, Cheung Wong, AND J. Hao. The pathway of impacts of aerosol direct effects on secondary inorganic aerosol formation. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 22(8):5147–5156, (2022). https://doi.org/10.5194/acp-22-5147-2022

Wang, K., Y. Zhang, S. Yu, D. Wong, Jon Pleim, R. Mathur, J. Kelly, AND M. Bell. A Comparative Study of Two-way and Offline Coupled WRF v3.4 and CMAQ v5.0.2 over the Contiguous U.S.: Performance Evaluation and Impacts of Chemistry-Meteorology Feedbacks on Air Quality. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 14(11):7189–7221, (2021). https://doi.org/10.5194/gmd-14-7189-2021

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.

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.

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.

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.