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Records 1 to 25 of 274 records from Author Christian Hogrefe

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.