Dr. Christian Hogrefe

AMD Staff

Education:

Ph.D., Atmospheric Sciences, State University of New York at Albany, 2000
M.S., Atmospheric Sciences, State University of New York at Albany, 1996
B.S. (equivalent), Physics, University of Regensburg, Germany and University of Heidelberg, Germany, 1993/1994

Experience:

Research Physical Scientist, Emissions and Model Evaluation Branch, Atmospheric Modeling and Analysis Division, U.S. EPA, Research Triangle Park, NC, 2011- present
Research Scientist 2, Bureau of Air Quality Analysis and Research, New York State Department of Environmental Conservation, Albany, NY, 2008 – 2011
Air Pollution Meteorologist 3, Bureau of Air Quality Analysis and Research, New York State Department of Environmental Conservation, Albany, NY, 2000 – 2008
Adjunct Research Associate, Atmospheric Sciences Research Center, State University of New York at Albany, Albany, NY, 2001 - 2011
Research Scientist, Research Foundation of the State University of New York, Albany, NY, 2002 – 2007
Postdoctoral Research Associate, Research Foundation of the State University of New York, Albany, NY, 2000 - 2001
Research Assistant, Research Foundation of the State University of New York, Albany, NY, 1995 – 2000

Review Activities:

Member of the External Advisory Committee (EAC) for Environmental Manager and the Editorial Review Board (ERB) for the Journal of the Air & Waste Management Association.
Served as reviewer for EPA STAR grant applications.
Served as referee for Atmospheric Environment, Journal of Geophysical Research, Journal of Applied Meteorology, Geophysical Research Letters, Environmental Science & Technology, Atmospheric Chemistry and Physics, International Journal of Environmental Pollution, Journal of the Air & Waste Management Association, and Environmental Manager.

Researchers Supervised

Dr. Gang Liu. Research topic: Use of non-linear metrics for the evaluation of atmospheric models. 2001-2002
Dr. Jhumoor Biswas. Research topic: Simulating the impacts of regional climate change on air quality. 2003.
Ms. Jennifer M. Jones. Research topics: Operational evaluation of multiple regional air quality models. Use of regional air quality models for regulatory applications. 2003-2004
Dr. Prakash Doraiswamy. Research topics: Operational and diagnostic evaluation of regional air quality models. Ensemble air quality forecasting. 2009-2011.

Ph.D. Candidate Committees Served

Dr. Chenxia Cai. Research topic: Developing and applying a regional photochemical modeling system for air quality forecasting over the Northeastern U.S. 2000 - 2004
Dr. Jennifer Hegarty. Research topic: Impact of atmospheric circulation patterns on regional-scale ozone and its interannual variability. 2005-2008
Dr. Katerina Tsakiri. Research topic: Using canonical correlation analysis to determine the influence of meteorology on ozone trends and variability. 2009-2010
Ms. Rena Jones. Determining associations between ambient levels of speciated fine particles and human health. 2010-2011

Select Peer-Reviewed Publications:

Hogrefe, C., W. Hao, E. E. Zalewsky, J.-Y. Ku, B. Lynn, C. Rosenzweig, M. G. Schultz, S. Rast, M. J. Newchurch, L. Wang, P. L. Kinney, and G. Sistla, An analysis of long-term regional-scale ozone simulations over the Northeastern United States: variability and trends, Atmos. Chem. Phys., 11, 567-582., 2011

Hogrefe, C., S.S. Isukapalli, X. Tang, P.G. Georgopoulos, S. He, E.E. Zalewsky, W. Hao, J.-Y. Ku, T. Key, and G.Sistla, Impact of Biogenic Emission Uncertainties on the Simulated Response of O3 and PM2.5 to Anthropogenic Emission Reductions, J. Air Waste Manag. Assoc., 61, 92-108., 2011

Pierce, T., C. Hogrefe, S.T. Rao, P. S. Porter, and J.-Y. Ku, Dynamic Evaluation of a Regional Air Quality Model: Assessing the Weekly Cycle in the Observations and Model Outputs, Atmos. Env., 44, 3583-3596, doi:10.1016/j.atmosenv.2010.05.046, 2010

Doraiswamy, P., C. Hogrefe, W. Hao, K. Civerolo, J.-Y. Ku, and G. Sistla, A Retrospective Comparison of Model-Based Forecasted PM2.5 Concentrations with Measurements, J. Air Waste Manag. Assoc., 1293–1308, doi:10.3155/1047-3289.60.11.1293, 2010

Dennis, R., T. Fox, M. Fuentes, A. Gilliland, S. Hanna, C. Hogrefe, J. Irwin, S.T. Rao, R. Scheffe, K. Schere, D. Steyn, A. Venkatram, A framework for evaluating regional-scale numerical photochemical modeling systems, Environmental Fluid Mechanics, doi:10.1007/s10652-009-9163-2., 2010

Weaver, C.P., X.-Z. Liang , P.J. Adams, P. Amar, J. Avise, M. Caughey, J. Chen, R.C. Cohen, E. Cooter, J.P. Dawson, R. Gilliam, A. Gilliland, A.H. Goldstein, A. Grambsch, A. Guenther, R.A. Harley, S. He, B. Hemming, C. Hogrefe, H.-C. Huang, S. Hunt, D. Jacob, P. Kinney, K. Kunkel, J.-F. Lamarque, B. Lamb, N. Larkin, L.R. Leung, K.-J. Liao, J. Lin, B.H. Lynn, K. Manomaiphiboon, C. Mass, D. McKenzie, L. Mickley, S. ONeil , C. Nolte, S.N. Pandis, P.N. Racherla, C. Rosenzweig, A.G. Russell, E. Salathe, A.L. Steiner, E. Tagaris, Z. Tao, C. Wiedinmyer, A. Williams, D. Winner, J.-H. Woo, S. Wu, D.J. Wuebbles, and J. Zhu. A Preliminary Synthesis of Modeled Climate Change Impacts on U.S. Regional Ozone Concentrations, Bull. Amer. Met. Soc., 90, 1843-1863, 2009

Doraiswamy, P., C. Hogrefe, W. Hao, R.F. Henry, K. Civerolo, J.-Y. Ku, G. Sistla, J.J. Schwab, and K.L. Demerjian, A diagnostic comparison of measured and model-predicted speciated VOC concentrations, Atmos. Environ.,43, doi:10.1016/j.atmosenv.2009.07.056., 2009

Hogrefe, C., B. Lynn, R. Goldberg, C. Rosenzweig, E. Zalewsky, W. Hao, P. Doraiswamy, K. Civerolo, J-Y Ku, G. Sistla, and P.L. Kinney, A Combined Model-Observation Approach to Estimate Historic Gridded Fields of PM2.5 Mass and Species Concentrations, Atmos. Environ., doi:10.1016/j.atmosenv.2009.02.031, 2009

Godowitch, J, C. Hogrefe, and S.T. Rao, Diagnostic Analyses of a Regional Air Quality Model: Changes in Modeled Processes Affecting Ozone and Chemical-Transport Indicators from NOx Point Source Emission Reductions, J. Geophys. Res., 113, D19303, doi:10.1029/2007JD009537, 2008

Cai, C., C. Hogrefe, P. Katsafados, G. Kallos, M. Beauharnois, J.J. Schwab, X. Ren, W.H. Brune, X. Zhou, Y. He, and K.L. Demerjian, Performance Evaluation of an Air Quality Forecast Modeling System for a Summer and Winter Season - Photochemical Oxidants and Their Precursors, Atmos. Environ., 42, doi:10.1016/j.atmosenv.2008.08.029, 2008

Hogrefe, C., K.L. Civerolo, W. Hao, J.-Y. Ku, E.E. Zalewsky, and G. Sistla, Rethinking the Assessment of Photochemical Modeling Systems in Air Quality Planning Applications, J. Air Waste Manag. Assoc., 58, 1086-1099, 2008.

Nolte, C., A.B. Gilliland, C. Hogrefe, and L.J. Mickley, Linking global to regional models to assess future climate impacts on surface ozone levels in the United States, J. Geophys. Res., 113, D14307, doi:10.1029/2007JD008497, 2008

Gilliland, A.B., C. Hogrefe, R.W. Pinder, J.L. Godowitch, and S.T. Rao, Dynamic Evaluation of Regional Air Quality Models: Assessing Changes in O3 Stemming from Emissions and Meteorology, Atmos. Environ., 42 (20), 5110-5123, 2008

Hogrefe, C. W. Hao, K. Civerolo, J.-Y. Ku, R.S. Gaza, L. Sedefian, G. Sistla, K. Schere, A. Gilliland, and R. Mathur, Daily Photochemical Simulations of Ozone and Fine Particulates Over New York State: Findings and Challenges, J. Appl. Meteor., 46, 961–979, 2007

Bell, M.B., R. Goldberg, C. Hogrefe, P.L.Kinney, K. Knowlton, B.H. Lynn, C. Rosenzweig, J. Rosenthal, and J Patz: Potential effect of climate change on ambient ozone concentrations in 50 US cities, Climatic Change, Volume 82, Numbers 1-2, 61-76, 10.1007/s10584-006-9166-7, 2007

Civerolo, K., C. Hogrefe, B. Lynn, J. Rosenthal, J.-Y. Ku, W. Solecki, J. Cox, C. Small, C. Rosenzweig, R. Goldberg, K. Knowlton, P. Kinney, 2006: Estimating the effects of increased urbanization on surface meteorology and ozone concentrations in the New York City metropolitan region, Atmos. Env., 41, 1803-1818, doi:10.1016/j.atmosenv.2006.10.076, 2007

Hogrefe, C., P.S. Porter, E. Gego, A. Gilliland, R. Gilliam, J. Swall, J. Irwin, and S.T. Rao, Temporal Features in Observed and Simulated Meteorology and Air Quality over the Eastern United States, Atmos. Env., 40, 5041 – 5055, 2006

Gego, E., C. Hogrefe, G. Kallos, A. Voudouri, J.S. Irwin, and S.T. Rao, Examination of model predictions at different horizontal grid resolutions, Env. Fluid Mech., 5, 63-85, 10.1007/s10652-005-0486-3, 2005

Hogrefe, C., B. Lynn, K. Civerolo, J.-Y. Ku, J. Rosenthal, C. Rosenzweig, R. Goldberg, and P.L. Kinney, Simulating changes in regional air pollution due to changes in global and regional climate and emissions, J. Geophys. Res.,Vol. 109, No. D22, D22301, 10.1029/2004JD004690., 2004

Knowlton, K., J. Rosenthal, C. Hogrefe, B. Lynn, S. Gaffin, R. Goldberg, C. Rosenzweig, K. Civerolo, J.-Y. Ku, and P.L. Kinney, Assessing ozone-related health impacts under a changing climate, Env. Health Perspec., 112(15), 1557-1563., 2004

Hogrefe, C., J. Biswas, B. Lynn, K. Civerolo, J.-Y. Ku, J. Rosenthal, C. Rosenzweig, R. Goldberg, and P.L. Kinney, Simulating regional-scale ozone climatology over the Eastern United States: Model evaluation results, Atmos. Env., 38, 2627-2638., 2004

Hogrefe, C., G. Sistla, E.E. Zalewsky, W. Hao, and J-Y Ku, An assessment of the emissions inventory processing systems, EMS-2001 and SMOKE, in grid-based air quality models, J. Air Waste Manag. Assoc., 53, 1121-1129., 2003

Hogrefe, C. and S. T. Rao, Demonstrating Attainment of the Air Quality Standards: Integration of Observations and Model Predictions into the Probabilistic Framework. J. Air Waste Manag. Assoc., 51, 1060 – 1072, 2001

Hogrefe, C., S. T. Rao, P. Kasibhatla, G. Kallos, C. Tremback, W. Hao, D. Olerud, A. Xiu, J. McHenry, and K. Alapaty, Evaluating the Performance of Regional-Scale Photochemical Modeling Systems: Part I - Meteorological Model Outputs. Atmos. Env., 35, 4159-4174, 2001

Hogrefe, C., S. T. Rao, P. Kasibhatla, W. Hao, G. Sistla, R. Mathur, and J. McHenry, Evaluating the Performance of Regional-Scale Photochemical Modeling Systems: Part II - Ozone predictions. Atmos. Env., 35, 4175-4188, 2001

Biswas, J., C. Hogrefe, S. T. Rao, W. Hao, and G. Sistla, Evaluating the Performance of Regional-Scale Photochemical Modeling Systems: Part III - Precursor predictions. Atmos. Env., 35, 6129 – 6149, 2001

Hogrefe, C., S. T. Rao, I. G. Zurbenko, and P. S. Porter, Interpreting Information in Time Series of Ozone Observations and Model Predictions Relevant to Regulatory Policies in the Eastern United States. Bull. Amer. Met. Soc., 81, 2083 – 2106, 2000

Hogrefe, C., S. T. Rao, and I. G. Zurbenko, Detecting Trends and Biases in Time Series of Ozonesonde Data. Atmos. Env., 32, 2569 – 2586, 1998

Atmospheric Modeling

Research & Development | National Exposure Research Laboratory

Dr. Christian Hogrefe

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