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

Paz, D., R. Borge, J. Andrés, L. Tovar, G. Sarwar, AND S. Napelenok. Summertime tropospheric ozone source apportionment study in Madrid (Spain). Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 24:4949–4972, (2024). https://doi.org/10.5194/acp-24-4949-2024

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.

Fahey, K., R. Gilliam, G. Pouliot, S. Farrell, G. Sarwar, H. Pye, B. Murphy, D. Huff, Nicole Briggs, AND R. Kotchenruther. CMAQ modeling of the 2022 Alaskan Layered Pollution and Chemical Analysis (ALPACA) field study. SIP meeting with AK Dept of Environmental Conservation, Fairbanks North Star Borough, and EPA Region 10, Fairbanks, AK, September 19, 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

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.

Chen, H., P. Liu, Q. Wang, R. Huang, AND G. Sarwar. Impact and pathway of halogens on atmospheric oxidants in coastal city clusters in the Yangtze River Delta region in China. Atmospheric Pollution Research. Turkish National Committee for Air Pollution Research and Control, Izmir, Turkey, 15(2):N/A, (2024). https://doi.org/10.1016/j.apr.2023.101979

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.

Farrell, S., H. Pye, R. Gilliam, G. Pouliot, D. Huff, G. Sarwar, W. Vizuete, AND K. Fahey. Predicted impacts of heterogeneous chemical pathways on particulate sulfur over the N. Hemisphere and Fairbanks, Alaska. International Technical Meeting On Air Pollution Modeling And Its Application, Chapel Hill, NC, May 22 - 26, 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.

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.

Sarwar, G., B. Henderson, R. Baldauf, AND P. Gupta. Analysis of ambient fine particle concentrations in Jakarta, Indonesia. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, , 1-5, (2022).

East, J., B. Henderson, S. Napelenok, S. Koplitz, R. Pierce, A. Lenzen, D. Tong, R. Gilliam, G. Sarwar, AND F. Garcia-Menendez. Applying OMI and TROPOMI NO2 observations in EPA’s CMAQ modeling framework (HAQAST meeting). HAQAST, Virtual, Virtual, January 20 - 21, 2022.

Doraiswamy, P. AND G. Sarwar. Cover story for “International Air Quality Capacity Building”. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, , 1-3, (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.

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

East, J., B. Henderson, S. Napelenok, S. Koplitz, R. Pierce, A. Lenzen, R. Gilliam, G. Sarwar, D. Tong, AND F. Garcia-Menendez. Inferring air pollutant emission using satellites (NC State EWC departmental presentation). Environmental, Water Resources, and Coastal Engineering Symposium at North Carolina State University, Raleigh, NC, March 04, 2022.

East, J., B. Henderson, Z. Qu, S. Napelenok, S. Koplitz, R. Pierce, A. Lenzen, R. Gilliam, G. Sarwar, D. Tong, AND F. Garcia-Menendez. POSTER for IGC & TEMPO STM: Assimilation of NO2 – a comparison of multiple products and multiple models. TEMPO Scientific Team Meeting, Virtual, Virtual, May 31, 2022.

East, J., B. Henderson, Z. Qu, S. Napelenok, S. Koplitz, R. Pierce, A. Lenzen, R. Gilliam, G. Sarwar, D. Tong, AND F. Garcia-Menendez. POSTER for TEMPO STM: Assimilation of NO2 – a comparison of multiple products and multiple models. The International GEOS-Chem conference, Virtual, Virtual, June 07, 2022.

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.