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Sergey L. Napelenok, Ph.D.
AMAD Staff Education:
- B.S. Civil Engineering, Washington State University, 2000
- M.S. Civil Engineering, Georgia Institute of Technology, 2001
- Ph.D. Environmental Engineering, Georgia Institue of Technology, 2006
- Thesis: Sensitivity Analysis in Air Quality Models for Particulate Matter
- Minor: Public Health, Emory University, Atlanta, GA
Professional Experience:
2006 - Present: Physical Scientist, U.S. Environmental Protection Agency, Research Triangle Park, NC
2000 - 2006: Graduate Research Assistant, Department of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA
1996 - 2000: Technical Assistant II, Laboratory for Atmospheric Research, Washington State University, Pullman, WA
Publications:
Journal Articles
Cohan, D.S., Napelenok, S.L.. Atmospheric response modeling for decision support, Atmosphere, (submitted), 2011. (abstract)
Napelenok, S.L., K.M. Foley, D. Kang, R. Mathur, T. Pierce, S.T. Rao. Dynamic Evaluation of Regional Air Quality Model's Response to Emission Reductions in the Presence of Uncertain Emission Inventories, Atmospheric Environment, (in press), 2011. (abstract)
Carlton, A.G., P.V. Bhave, S.L. Napelenok, R.W. Pinder, G. Sarwar, G. Poulliot, E.O. Edney, M. Houyoux. Model Representation of Secondary Organic Aerosol in CMAQv4.7, Environmental Science & Technology, 44(22), 8553-8560, 2010. (abstract)
Tian, D., D.S. Cohan, Y. Hu, S.L. Napelenok, M. Chang, A.G. Russell. Uncertainty analysis of ozone formation and response to emission controls using higher-order sensitivities, Journal of Air and Waste Management Association, 60(7), 797-804, 2010. (abstract)
Hu, Y., S.L. Napelenok, M.T. Odman, A.G. Russell. Sensitivity of inverse estimation of 2004 elemental carbon emissions inventory in the United States to the choice of observational networks, Geophysical Research Letters, 36, L15806, 2009. (abstract)
Pinder, R.W., R.C. Gilliam, K.W. Appel, S.L. Napelenok, K.M. Foley, A.B. Gilliland. Efficient probabilistic estimates of surface ozone concentration using an ensemble of model configurations and direct sensitivity calculations, Environmental Science & Technology, 43(7), 2388-2393, 2009. (abstract)
Napelenok, S.L., R.W. Pinder, A.B. Gilliland, R.V. Martin. A method for evaluating spatially-resolved NOx emissions using Kalman filter inversion, direct sensitivities, and space-based NO2 observations, Atmospheric Chemistry & Physics, 8, 5603-5614, 2008. (abstract)
Liao, K.-J., E. Tagaris, S.L. Napelenok, K. Manomaiphiboon, J.-H. Woo, P. Amar, S. He, A.G. Russell. Current and future linked responses to ozone and PM2.5 to emissions controls, Environmental Science & Technology, 42(13), 4670-4675, 2008. (abstract)
Napelenok, S.L., D.S. Cohan, M.T. Odman, S. Tonse. Extension and evaluation of sensitivity analysis capabilities in a photochemical model, Environmental Modelling & Software, 23(8), 994-999, 2008. (abstract)
Liao, K.-J., E. Tagaris, K. Manomaiphiboon, S.L. Napelenok, J.-H. Woo, S. He, P. Amar, A.G. Russell. Sensitivities of ozone and fine particulate matter formation to emissions under the impact of potential future climate change. Environmental Science & Technology, 41, 8355-8361, 2007. (abstract)
Napelenok, S.L., F.D. Habermacher, F.H. Akhtar, Y. Hu, A.G. Russell. Area of influence (AOI) sensitivity analysis: application to Atlanta, Georgia. Atmospheric Environment, 41, 5605-5617, 2007. (abstract)
Habermacher, F.D., S.L. Napelenok, F. Akhtar, Y. Hu, A.G. Russell. Area of Influence (AOI) development: Fast generation of receptor-oriented sensitivity fields based on inversion of source-oriented sensitivities. Environmental Science & Technology, 41, 3997-4003, 2007. (abstract)
Napelenok, S.L., D.S. Cohan, Y. Hu, A.G. Russell. Decoupled direct 3D sensitivity analysis for particulate matter (DDM-3D/PM). Atmospheric Environment, 40, 6112-6121, 2006. (abstract)
Awards
- US EPA Bronze Medal for Commendable Service, 2010
- Exceptional ORD Technical Assistance to the Program Offices, 2009
- AMAD Best Paper Award, 2009
- Young Researcher EURASAP Award, 2007
- Georgia Institute of Technology Presidential Fellowship, 2000
- American Meteorological Society Fellowship, 2000
Mentorship
- Havala O.T. Pye, ORISE postdoctoral researcher (September 2010 - February 2011)
- Roger Kwok, NRC postdoctoral researcher (July 2010 - present)
Conference Proceedings, Presentations, Book Chapters, and Reports
Air Pollution Modeling and its Application XXI (book chapter), 2011.
S.T. Rao, J. Bash, S. Brown, R. Gilliam, D. Heist, D. Mobley, S.L. Napelenok, C. Nolte, T. Pierce, R. Pinder. Summary Report of the Atmospheric Modeling and Analysis Division's Research Activities for 2009. EPA/600/R-10/058. June 2010.
S. Howard, P.V. Bhave, J. Young, S.L. Napelenok, S. Roselle. Restructuring of the CMAQ Aerosol Module (poster presentation). 9th Annual Community Modeling & Analysis System (CMAS) Conference, 11-13 October, 2010.
S.L. Napelenok, K.M. Foley, D. Kang, R. Mathur, T. Pierce, S.T. Rao. Probabilistic Model Evaluation Techniques Considering Emissions Inventory Uncertainties (platform presentation). 31th NATO/CCMS International Technical Meeting on Air Pollution Modelling and its Application, Torino, Italy, 30 September, 2010.
Air Pollution Modeling and its Application XX (book chapter), Eds. D.G. Steyn and S.T. Rao, Springer Publishing, 2010.
Godowitch, J., T. Pierce, S.L. Napelenok, R. Pinder, S.T. Rao, A. Gilliland. Results of Recent Dynamic Evaluation Analyses with the CMAQ Model (poster presentation). 9th Annual Community Modeling & Analysis System (CMAS) Conference, 11-13 October, 2010.
Napelenok, S.L., P.V. Bhave, H. Simon, A.G. Carlton, G. Pouliot, R. Sheesly, T.E. Kleindienst. Preliminary Results of Model/Measurement Comparisons of EC/OC tracers at LADCO sites (platform presentation). EPRI Model Development Meeting, Palo Alto, CA, 8 July 2010.
Napelenok, S.L., P.V. Bhave, H. Simon, G.A. Pouliot, A.G. Carlton, M. Houyoux, M. Lewandowski, T. Kleindienst, J. Offenberg, M. Jaoui, R.J. Sheesly. Sources of Primary and Secondary Organic Carbon in Midwestern U.S. (poster presentation). 8th Annual Community Modeling & Analysis System (CMAS) Conference, 19-21 October, 2009.
Bhave, P.V., A.M. Carlton, S.L. Napelenok, T. Kleindienst, J. Offenberg, M. Lewandowski, M. Jaoui. Evaluation of CMAQ for Precursor-Specific Contributions to SOA in the Southeastern U.S. (platform presentation). 8th Annual Community Modeling & Analysis System (CMAS) Conference, 19-21 October, 2009.
Foley, K.M., R. Pinder, S.L. Napelenok. Improving Air Quality Management Strategies for Ozone Using an Ensemble of Air Quality model simulations (platform presentation). Joint Statistical Meeting, Washington, DC, 5 August 2009.
Napelenok,S.L., J. Arnold, K.M. Foley, D.K. Henze. Regional Background Fine Particulate Matter (poster presentation). 30th NATO/CCMS International Technical Meeting on Air Pollution Modelling and its Application, San Francisco, CA, 18-22 May, 2009.
Napelenok, S.L. Current Capabilities in 3-D Models for Representing SOA formation (platform presentation). EPA VOC Reactivity Summit, May, 2010.
Guest Lecture, North Carolina State University, Department of Marine, Earth, and Atmospheric Sciences, April, 2009.
Foley, K.M., R.W. Pinder, S.L. Napelenok, H.C. Frey. Probabilistic Estimates of Ozone Concentrations from and Ensemble of CMAQ Simulations (poster presentation). 7th Annual Community Modeling & Analysis System (CMAS) Conference, 6-8 October, 2008.
Carlton, A.G., P.V. Bhave, S.L. Napelenok,G. Sarwar, G. Pouliot, E.O. Edney, T.E. Kleindienst, J.H. Offenberg, M. Lewandowski, M. Jaoui, M. Houyoux. Secondary Organic Aerosol Modeling in CMAQ and Comparisons with Ambient Tracer Data (Platform presentation). American Association of Aerosol Research, 4A.04, Orlando, October 2008.
Liao, K.-J., E. Tagaris, S.L. Napelenok, K. Manomaiphiboon, J.-H. Woo, P. Amar, S. He, A.G. Russell. Ozone and PM2.5 Cross-sensitivity Analysis under Emission and Climate Change (platform presentation). 7th Annual Community Modeling & Analysis System (CMAS) Conference, 6-8 October, 2008.
Napelenok, S.L., A.G. Carlton, P.V. Bhave, G. Sarwar, G. Pouliot, R.W. Pinder, E.O. Endey, M. Houyoux. Updates to the Treatment of Secondary Organic Aerosol in CMAQv4.7 (platform presentation). 7th Annual Community Modeling & Analysis System (CMAS) Conference, 6-8 October, 2008.
Co-author of 2009 Integerated Science Assessment for Particulate Matter. EPA/600/R-08/139F. December, 2009.
Air Pollution Modeling and its Application XIX (book chapter), Eds. C. Borrego and A.I. Miranda, Springer Publishing, 2008.
Guest Lecture, Washington State University, Department of Civil and Environmental Engineering, October, 2008.
Bhave, P.V., S.L. Napelenok, G. Pouliot, A.G. Carlton, G. Sarwar, Simulating SOA Across the United States – Sensitivity Analyses Using the Community Multiscale Air Quality (CMAQ) Model (platform presentation). International Conference on Carbonaceous Particles in the Atmosphere, Berkeley, CA, 10-14 August, 2008.
Guest Lecture, Georgia Institute of Technology, School of Civil and Environmental Engineering, August, 2008.
Pinder, R.W., S.L. Napelenok, A.B. Gilliland, R.V. Martin, Use of space-based tropospheric NO2 observations in regional air quality modeling (platform presentation). American Geophysical Union Spring Meeting, 27 May, 2008.
Napelenok, S.L., P.V. Bhave, A.G. Carlton. Status of Particulate Matter Processes in CMAQ (platform presentation). EPRI Model Development Meeting, Palo Alto, CA, 20, May, 2008.
Pinder, R.W., S.L. Napelenok, A.B. Gilliland, R.V. Martin. Use of space-based tropospheric NO2 observations in regional air quality modeling (platform presentation). TROPOMI Workshop, Utrecht, Netherlands, 5-6, March 2008.
Napelenok, S.L., R.W. Pinder, A.B. Gilliland, R.V. Martin. Integrating Kalman filter inverse modeling and direct sensitivities to evaluate NOx emission inventory biases based on satellite-derived NO2 columns (poster presentation). American Geophysical Union Fall Meeting, 10-14 December, 2007.
Napelenok, S.L., D.S. Cohan, M.T. Odman, Y. Hu, A.G. Russell. Source apportionment using direct sensitivities (platform presentation). International Aerosol Modeling Algorithms Conference, 5-7 December, 2007.
Hu, Y., S.L. Napelenok, M.T. Odman, A.G. Russell. Sensitivity of Top-down Correction of 2004 Black Carbon Emissions Inventory in the United States to Rural-sites versus Urban-sites Observation Networks (platform presentation). 6th Annual Community Modeling & Analysis System (CMAS) Conference, 1-3 October, 2007.
Pinder, R.W., P.V. Bhave, A.G. Carlton, R.L. Dennis, J. Godowitch, R. Mathur, S.L. Napelenok, J. Pleim, G. Sarwar, S. Yu. CMAQ Simulated Oxidized Nitrogen: Recent Findings and Model Enhancements (poster presentation). 6th Annual Community Modeling & Analysis System (CMAS) Conference, 1-3 October, 2007.
Tian, D., S.L. Napelenok, Y. Hu, A.G. Russell. Uncertainty analysis of ozone formation and emission control responses using high-order sensitivities under three different meteorological conditions (platform presentation). 6th Annual Community Modeling & Analysis System (CMAS) Conference, 1-3 October, 2007.
Napelenok, S.L., R.W. Pinder, A.B. Gilliland, R.V. Martin. Resolving NOx Emissions Inventory Biases Using Discrete Kalman Filter Inversion, Direct Sensitivities, and Satellite-Based NO2 Columns (platform presentation). 29th NATO/CCMS International Technical Meeting on Air Pollution Modelling and its Application, Aveiro, Portugal, 24-28 September, 2007. 1st place Young Researchers EURASAP Award.
Napelenok, S.L., R.W. Pinder, A.B. Gilliland, R.V. Martin. Resolving NOx Emission Inventory Biases Using Discrete Kalman Filter Inversion, Direct Sensitivities, and Satellite-based NO2 Columns (poster presentation). 16th Annual International Emissions Inventory Conference, Raleigh, NC, 14-17 May, 2007.
Napelenok, S.L., F.D. Habermacher, F.H. Akhtar, Y. Hu, A.G. Russell, Development of the Area of Influence Method and Application to Georgia (platform presentation). American Association for Aerosol Research (AAAR) 2006 Annual Conference, St. Paul, Minnesota, 10-15 September, 2006.
Gesser, R.A., A.G. Russell, Y. Hu, S.L. Napelenok. The Partnership for Environmental Research and Community Health (PERCH) Phase III, Part 2: Source apportionment analyses for fine particulate matter, ozone, and mercury in greater Pensacola, Florida (platform presentation). 14th Joint Conference on the Applications of Air Pollution Meteorology with the Air and Waste Management Association, 86th American Meteorological Society Annual Meeting, Atlanta, GA, 28 January – 3 February, 2006.
Manomaiphiboon, K., A.G. Russell, S.L. Napelenok, M.T. Odman, J.H. Woo, S. He, P.K. Amar, L.Y. Leung, A Modeling Study of Particulate Matter and its Sensitivity to Emissions under the Influence of Climate and Emission Changes (platform presentation). American Association for Aerosol Research (AAAR) 2005 Annual Conference, Austin, TX, 17-21 October, 2005.
Manomaiphiboon, K., A.G. Russell, S. He, S.K. Park, M.T. Odman, S.L. Napelenok, Y. Hu, Effects of changes in climate and emissions on emission control for regional ozone, NOAA/EPA Golden Jubilee Symposium on Air Quality Modeling and its Applications (poster presentation). Durham, NC, 19-21 September, 2005.
Napelenok, S.L., D.S. Cohan, Y. Hu, A.G. Russell, Implementation of the Direct Decoupled Method (DDM) into the CMAQ model for aerosol species (platform presentation). American Association for Aerosol Research (AAAR) International Specialty Conference – Particulate Matter Supersites Program and Related Studies, Atlanta, GA, 7-11 February, 2005.
McManus, J.B., J.H. Shorter, M.S. Zahniser, C.E., Kolb, S.M. O'Neill, D. Stick, S.L. Napelenok, E.J. Allwine, B.K. Lamb, E. Scheuer, R.W. Talbot, F. San Martini, G. Adamkiewicz, B.K. LiPun, C. Wang, G.J. McRae, L. Cao, A.A. Ismail, M. Kawabata, C.-H. Yeang, G. Narasimhan, S. Humbad, M. Zhang, and J. Ferreira, Jr., Measurements and Analyses of Urban Metabolism and Trace Gas Respiration, Office of Earth Sciences, National Aeronautics and Space Administration (NASA), Washington, D.C. ARI Report No. RR-1330, May 2002.
O’Neill, S.M., B.K. Lamb, J. Chen, S.L. Napelenok, E.J. Allwine, D. Stock, J.B. McManus, J.H. Shorter, C.E. Kolb, Correlating an Upwind Source-Footprint with Urban Emissions Data Using the MM5/MCIP/CALPUFF Modeling System (platform presentation). 10th International Emission Inventory Conference, Denver, CO. 2001.
Napelenok, S.L., S.M. O’Neill, B.K. Lamb, E.J. Allwine, D. Stock, Modeling the Upwind Pollutant Source Footprint Along Backward Trajectories Using the MM5/CALMET/CLAPUFF Modeling System (platform presentation). American Meteorological Society, 3rd Symposium on the Urban Environment, Davis, CA, 2000.