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59
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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.
Pleim, J., Jerold Herwehe, AND R. Turnau. High-resolution urban modeling of NYC. AQAD-AESMD PL/PI monthly technical meeting, Durham, NC, August 17, 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.
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.
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.
Gilliam, R., J. Herwehe, R. Bullock, Jon Pleim, L. Ran, P. Campbell, AND H. Foroutan. Establishing the Suitability of the Model for Prediction Across Scales for Global Retrospective Air Quality Modeling. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 126(10):e2020JD033588, (2021). https://doi.org/10.1029/2020JD033588
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.
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.
Gilliam, R., Orren Bullock, J. Pleim, Jerold Herwehe, AND L. Ran. Evaluation of the Model for Prediction Across Scales (MPAS) in a retrospective application with comparisons to WRF. 2020 AMS Annual Meeting, Boston, MA, January 12 - 16, 2020.
Campbell, P., J. Bash, J. Herwehe, AND R. Gilliam. Impacts of tiled land cover characterization in the Model for Predictions Across Scales-Atmosphere (MPAS-A). JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 125(15):e2019JD032093, (2020). https://doi.org/10.1029/2019JD032093
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.
2019
Kang, D., R. Gilliam, Jerold Herwehe, AND J. Pleim. Lightning Assimilation in WRF4.0.2: Impact of Parameter Options and Introduction of New Lightning Data. 2019 Community Modeling and Analysis System (CMAS) Conference, Chapel Hill, NC, October 21 - 23, 2019.
2018
Herwehe, J., R. Gilliam, R. Bullock, AND Jon Pleim. A Sensitivity Study of Convection Parameterizations in MPAS-A Utilized in Conjunction with USEPA Physics Options. 2018 Joint WRF & MPAS Users' Workshop, Boulder, CO, June 11 - 15, 2018.
Wong, David-C, Jon Pleim, R. Bullock, R. Gilliam, J. Herwehe, C. Hogrefe, AND G. Pouliot. A proof-of-concept for linking the global meteorological model, MPAS-A with the air quality model, CMAQ. ITM 2018 - 36 th International Technical Meeting on Air Pollution Modelling and its Application, Ottawa, CANADA, May 14 - 18, 2018.
Bullock, R., H. Foroutan, R. Gilliam, AND J. Herwehe. Adding four-dimensional data assimilation by analysis nudging to the Model for Prediction Across Scales – Atmosphere (version 4.0). Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 11:2897-2922, (2018). https://doi.org/10.5194/gmd-11-2897-2018
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.
Bullock, R., R. Gilliam, J. Herwehe, AND Jon Pleim. Experimentation with Vertical Layer Structure in MPAS-A. Joint WRF/MPAS User's Workshop, Boulder, CO, June 11 - 15, 2018.
Gilliam, R., J. Herwehe, R. Bullock, Jon Pleim, AND David-C Wong. PREPARING MPAS FOR GLOBAL RETROSPECTIVE AIR QUALITY MODELING: AN EVALUATION OF A 2016 SIMULATION WITH COMPARISONS TO WRF. 2018 CMAS Conference, Chapel Hill, North Carolina, October 22 - 24, 2018.
Gilliam, R., J. Herwehe, R. Bullock, Jon Pleim, AND David-C Wong. Preparing MPAS-A for Global Retrospective Air Quality modeling: An evaluation of a 2016 simulation with comparisons to WRF. 2018 WRF/MPAS Users' Workshop, Boulder, CO, June 11 - 15, 2018.
Pleim, Jon, David-C Wong, R. Gilliam, J. Herwehe, R. Bullock, G. Pouliot, C. Hogrefe, D. Kang, Bill Hutzell, R. Mathur, S. Roselle, AND L. Ran. Status and Plans for the Next Generation Air Quality Modeling System Development. 2018 CMAS Conference, Chapel Hill, NC, 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).
2017
He, J., Kiran Alapaty, AND J. Herwehe. A Generalized Simple Formulation of Convective Adjustment Timescale for Cumulus Convection Parameterizations. 97th Annual American Meteorological Society Meeting, Seattle, Washington, January 22 - 26, 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.
Herwehe, J., R. Bullock, R. Gilliam, Jon Pleim, AND H. Foroutan. Implementing subgrid-scale cloudiness into the Model for Prediction Across Scales-Atmosphere (MPAS-A) for next generation global air quality modeling. 16th Annual CMAS Conference, Chapel Hill, North Carolina, October 23 - 25, 2017.
Gilliam, R., J. Herwehe, Jon Pleim, H. Foroutan, AND L. Ran. Preparing the Model for Prediction Across Scales (MPAS) for global retrospective air quality modeling. 18th Annual WRF Users' Workshop, Boulder, CO, June 12 - 16, 2017.
Herwehe, J., R. Gilliam, R. Bullock, Jon Pleim, AND H. Foroutan. Progress on Implementing Additional Physics Schemes into MPAS-A v5.1 for Next Generation Air Quality Modeling. 18th Annual WRF Users Workshop, Boulder, CO, June 12 - 16, 2017.
Bullock, R., R. Gilliam, J. Herwehe, AND H. Foroutan. Refinement and testing of analysis nudging in MPAS-A. 18th Annual WRF Users’ Workshop, Boulder, CO, June 12 - 16, 2017.
Foroutan, H., David-C Wong, Jon Pleim, R. Bullock, J. Herwehe, G. Pouliot, AND C. Hogrefe. Towards the Next Generation Air Quality Modeling System: Current Progress on Implementing Chemistry into MPAS-A. 18th Annual WRF Users' Workshop, Boulder, CO, June 12 - 16, 2017.
2016
Alapaty, Kiran, T. Glotfelty, J. He, A. Deng, W. Wang, AND J. Herwehe. A Coupled Surface Nudging Scheme for use in Retrospective Weather and Climate Simulations for Environmental Applications. 17th Annual WRF Users' Workshop, Boulder, CO, June 27 - July 01, 2016.
Spero, T., Chris Nolte, J. Bowden, M. Mallard, AND J. Herwehe. The Impact of Incongruous Lake Temperatures on Regional Climate Extremes Downscaled from the CMIP5 Archive Using the WRF Model. Journal of Climate. American Meteorological Society, Boston, MA, 29(2):839-853, (2016).
2015
Bullock, R., Kiran Alapaty, J. Herwehe, AND J. Kain. A Dynamically Computed Convective Time Scale for the Kain–Fritsch Convective Parameterization Scheme. Monthly Weather Review. American Meteorological Society, Boston, MA, 143(6):2105-2120, (2015).
Zheng, Y., Kiran Alapaty, J. Herwehe, A. Del Genio, AND D. Niyogi. Improving High-Resolution Weather Forecasts Using the Weather Research and Forecasting (WRF) Model with an Updated Kain–Fritsch Scheme. Monthly Weather Review. American Meteorological Society, Boston, MA, 144:833-860, (2015).
Mallard, M., Chris Nolte, T. Spero, R. Bullock, Kiran Alapaty, J. Herwehe, J. Gula, AND J. Bowden. Technical Challenges and Solutions in Representing Lakes when using WRF in Downscaling Applications. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 8(4):939-1110, (2015).
2014
Mallard, M., Chris Nolte, T. Spero, R. Bullock, J. Herwehe, AND Kiran Alapaty. : “Developing Regional Modeling Techniques Applicable for Simulating Future Climate Conditions in the Carolinas”. Carolinas Climate resilience Conference, Charolotte, NC, April 28 - 29, 2014.
Bullock, R., Kiran Alapaty, J. Herwehe, M. Mallard, T. Otte, R. Gilliam, AND Chris Nolte. An Observation-base investigation of nudging in WRF for downscaling surface climate information to 12-km Grid Spacing. JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY. American Meteorological Society, Boston, MA, 53(1):20-33, (2014).
Spero, T., Chris Nolte, Kiran Alapaty, R. Bullock, M. Mallard, J. Herwehe, AND J. Bowden. Downscaled Regional Climate Information for the Southeastern US. Carolinas Climate Resilience Conference, Charlotte, NC, April 28, 2014.
Herwehe, J., Kiran Alapaty, T. Otte, AND C. Nolte. Increasing the credibility of regional climate simulations by introducing subgrid-scale cloud – radiation interactions. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 119(9):5317-5330, (2014).
Nolte, Chris, T. Spero, R. Bullock, J. Herwehe, M. Mallard, J. Bowden, AND Kiran Alapaty. Projecting Changes in Climate & Air Quality for the Southeastern U.S. Carolinas Climate Resilience Conference, Charlotte, NC, April 28 - 29, 2014.
2013
Mallard, M., Chris Nolte, R. Bullock, T. Otte, J. Herwehe, Kiran Alapaty, AND J. Gula. "The Effect of Alternative Representations of Lake Temperatures and Ice on WRF Regional Climate Simulations". Presented at 12th Annual CMAS Conference, Chapel Hill, NC, October 28 - 30, 2013.
Herwehe, J., Kiran Alapaty, T. Otte, Chris Nolte, AND R. Bullock. Evaluation of cumulus cloud – radiation interaction effects on air quality –relevant meteorological variables from WRF, from a regional climate perspective. Presented at 12th Annual CMAS Conference, Chapel Hill, NC, October 28 - 30, 2013.
Alapaty, Kiran, L. Fowler, J. Herwehe, AND B. Skamarock. HPC Aspects of Variable-Resolution Global Climate Modeling using a Multi-scale Convection Parameterization. Presented at IUSSTF Workshop, Bangalore, INDIA, December 16 - 18, 2013.
Nolte, Chris, T. Otte, R. Pinder, J. Bowden, J. Herwehe, G. Faluvegi, AND D. Shindell. Influences of Regional Climate Change on Air Quality across the Continental U.S. Projected from Downscaling IPCC ARS Simulations. Chapter 2, Air Pollution Modeling and its Application XXII. Springer, Heidelburg, Germany, 2014:9-12, (2013).
Alapaty, Kiran, R. Bullock, J. Herwehe, R. Gilliam, C. Nolte, T. Otte, J. Kain, AND J. Dudhia. The Kain-Fritsch Scheme: Science Updates & Revisiting Gray-Scale Issues from the NWP & Regional Climatae Perspectives. Presented at Annual Wolf Workshop, Boulder, Co, June 23 - 28, 2013.
2012
Alapaty, Kiran, J. Herwehe, T. Otte, C. Nolte, R. Bullock, M. Mallard, J. Kain, AND J. Dudhia. Introducing Subrid-scale Cloud Feedbacks to Radiation for Regional Meteorological and Cllimate Modeling. GEOPHYSICAL RESEARCH LETTERS. American Geophysical Union, Washington, DC, 39(24):1-5, (2012).
2011
HERWEHE, J., T. L. OTTE, R. MATHUR, AND S. T. RAO. Diagnostic Analysis of Ozone Concentrations Simulated by Two Regional-Scale Air Quality Models. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 45(33):5957-6106, (2011).
2006
CHING, J. K., J. HERWEHE, AND J. SWALL. ON JOINT DETERMINISTIC GRID MODELING AND SUB-GRID VARIABILITY CONCEPTUAL FRAMEWORK FOR MODEL EVALUATION. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 40(26):4935-4945, (2006).
HERWEHE, J. THE NOAA - EPA NATIONAL AIR QUALITY FORECASTING SYSTEM. Presented at East Tennessee Ozone Study 2006, Oak Ridge, TN, May 17 - 18, 2006.
2005
CHING, J. K., V. ISAKOV, J. HERWEHE, AND M. A. MAJEED. INCORPORATING SUB-GRID VARIABILITY CONCENTRATION DISTRIBUTIONS WITH CMAQ. Presented at 4th Annual CMAS Models-3 User's Conference, Chapel Hill, NC, September 26 - 28, 2005.
2004
Ching, J.K S., S. Dupont, J Herwehe, T L. Otte, A. Lacser, D W. Byun, AND R. Tang. AIR QUALITY MODELING AT COARSE-TO-FINE SCALES IN URBAN AREAS. Presented at Conference on Atmospheric Chemistry: Air Quality in Megacities, Seattle, WA, January 11-15, 2004.
Ching, J.K S., T E. Pierce Jr., T. Palma, W T. Hutzell, R. Tang, A. Cimorelli, AND J A. Herwehe. APPLICATION OF FINE SCALE AIR TOXICS MODELING WITH CMAQ TO HAPEM5. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18 - 20, 2004.
Ching, J.K S., T E. Pierce Jr., T. Palma, W T. Hutzell, R. Tang, A. Cimorelli, AND J Herwehe. LINKING AIR TOXIC CONCENTRATIONS FROM CMAQ TO THE HAPEM5 EXPOSURE MODEL AT NEIGHORHOOD SCALES FOR THE PHILADELPHIA AREA. Presented at 5th Symposium on the Urban Environment, Vancouver, BC, Canada, August 23-27, 2004.
Ching, J.K S., J A. Herwehe, AND J L. Swall. PARADIGM USING JOINT DETERMINISTIC GRID MODELING AND SUB-GRID VARIABILITY STOCHASTIC DESCRIPTION AS A TEMPLATE FOR MODEL EVALUATION. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Herwehe, J, J.K S. Ching, AND J L. Swall. QUANTIFYING SUBGRID POLLUTANT VARIABILITY IN EULERIAN AIR QUALITY MODELS. Presented at 5th Symposium on the Urban Environment, Vancouver, BC, Canada, August 23-27, 2004.
Herwehe, J A., J.K S. Ching, AND J. SWALL. STOCHASTIC DESCRIPTION OF SUBGRID POLLUTANT VARIABILITY IN CMAQ. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18 - 20, 2004.
2003
Herwehe, J A., R. T. McNider, AND A. P. Biazar. A COMPARISON OF A COUPLED LES AND PHOTOCHEMISTRY MODEL WITH A FIRST-ORDER CLOSURE MODEL. (R825262). BOUNDARY-LAYER METEOROLOGY. American Chemical Society, Washington, DC.
Ching, J.K S., J Herwehe, S. Dupont, AND R. Tang. COMMUNITY SCALE AIR TOXICS MODELING WITH CMAQ. Presented at 3 CMAS Workshop, Research Triangle Park, NC, October 27-29, 2003.
2002
Ching, J.K S., A. Lacser, J Herwehe, AND D W. Byun. NEIGHBORHOOD SCALE MODELING OF PM 2.5 AND AIR TOXICS CONCENTRATION DISTRIBUTIONS TO DRIVE HUMAN EXPOSURE MODELS. Presented at 12th Joint Conference on Air Pollution (AWMA), Norfolk, VA, May 20-24, 2002.
2001
Herwehe, J A., R. T. McNider, AND M. J. Newchurch. 2001: INITIAL TESTS OF A NEW DIRECTLY COUPLED DYNAMICAL-PHOTOCHEMICAL MODEL FOR THE ATMOSPHERIC BOUNDARY LAYER. (R825262). ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, (2001).