Barron Henderson

AMAD ORISE Research Fellow

Education

Ph.D. Environmental Science and Engineering, University of North Carolina (2011)
M.S. Environmental Science and Engineering, University of North Carolina (2008)
B.A. Biology w/ Minor in Environmental Studies, Austin College (2001)

Professional Experience

2008 - present, Post-Graduate Research Fellow, U.S. Environmental Protection Agency
2005 - 2011, Graduate Student Researcher, University of North Carolina
2007 summer, Advanced Science Program Physical Scientist, National Center for Atmospheric Research
2002 - 2005, Environmental Application Developer, Woodard and Curran
2000 summer, Cedar Creek Natural History Area Research Intern, University of Minnesota
1999 summer, Passive Ozone Network of Dallas, Independent Contractor, U.S. Environmental Protection Agency

Awards and honors

2nd Place USEPA-RTP NLTO Oral Presentation
2008 Environmental Sciences Achievement Award
Austin College Academic Scholarship
Delta Phi Alpha (German National Honor Society)
Austin College Dean's List
1997 Southwestern Premier League Scholarship

Publications

Peer Reviewed Journal Articles

Henderson, B.H.; Pinder, R.W.; Crooks, J.; Cohen, R.C.; Carlton, A.G.; Pye, H.O.T.; Vizuete, W.; Combining Bayesian methods and aircraft observations to constrain the HO^. + NO2 reaction rate. Atmospheric Chemistry and Physics Dicussions 2011 in review doi:10.5194/acpd-11-24191-2011

Allen, D.J.; Pickering, K.E.; Pinder, R.W.; Henderson, B.H.; Appel, K.W.; Prados, A.; Impact of lightning-NO on Eastern United States photochemistry during the summer of 2006 as determined using the CMAQ model. Atmospheric Chemistry and Physics Dicussions 2011 in review doi:10.5194/acpd-11-17699-2011

Henderson, B.H.; Kimura, Y.; McDonald-Buller, E.; Allen, D.; Vizuete, W.; Comparison of Lagrangian Process Analysis Tools for Eulerian Air Quality Models. Atmospheric Environment, 45, 5200-5211, 2011, doi:10.1016/j.atmosenv.2011.06.005

Henderson, B.H.; Pinder, R.W.; Crooks, J.; Cohen, R.C.; Hutzell, W.T.; Sarwar, G.; Goliff, W.S.; Stockwell, W.R.; Fahr, A.; Mathur, R.; Carlton, A.G.; Vizuete, W. Evaluation of simulated photochemical partitioning of oxidized nitrogen in the upper troposphere. Atmospheric Chemistry and Physics, 11, 275-291, 2011 doi:10.5194/acp-11-275-2011

Henderson, B.H.; Jeffries, H.E.; Vizuete, W.; The Influence of Model Resolution on Ozone in Industrial Volatile Organic Compound Plumes. J. Air & Waste Management Association, 60, 1105-1117, 2010 doi:10.3155/1047-3289.60.9.1105

Vizuete, W.; Kim, B.-U.; Jeffries, H.; Kimura, Y.; Allen, D.T.; Kioumourtzoglou, M.-A.; Biton, L.; Henderson, B.H.; Modeling ozone formation from industrial emission events in Houston, Texas. Atmospheric Environment, 42(33), 7641-7650, 2008 doi:10.1016/j.atmosenv.2008.05.063

Technical Reports

Vizuete, W.; Jeffries, H.; Valencia, A.; Couzo, E.; Christoph, E.; Wilkinson, J.; Henderson, B.; Parikh, H.; Kolling, J.; Multi-Model, Multi-Episode Process Analysis to Investigate Ozone Formation and Control Sensitivity in the 2000/2005/2006 Houston SIP Episode Models; H97; Houston Advanced Research Center (HARC), 2009. (summary and links)

Vizuete, W.; Jeffries, H.; Christoph, E.; Henderson, B.; Parikh, H.; Valencia, A.; Multi-resolution simulation and analysis of TexAQS II Air Pollution Events Project; H87; Houston Advanced Research Center (HARC), 2008. (summary, report)

Vizuete, W.; Jeffries, H.; Biton, L.; Henderson, B.; Kioumourtzoglou, M.; Regional Transport Modeling for East Texas Project; H60; Houston Advanced Research Center (HARC), 2006. (summary, report)

Presentations

Henderson, B.H.; Pinder, R.; Crooks, J.; Cohen, R.; Goliff, W.; Stockwell, W.R.; Fahr, A.; Sarwar, G.; Hutzell, B.; Mathur, R.; Carlton, A.; Vizuete, W. Using in situ observations to infer model parameters and improve estimates of ozone as a short-lived climate forcer. presented at the U.S. Environmental Protection Agency AMAD Seminar. (Feb 2011)

Henderson, B.H.; Pinder, R.; Crooks, J.; Cohen, R.; Goliff, W.; Stockwell, W.R.; Fahr, A.; Sarwar, G.; Hutzell, B.; Mathur, R.; Carlton, A.; Vizuete, W. NOx Chemical Sinks in the Upper Troposphere. presented at the American Geophysical Union Fall Meeting. (Dec 2010, link)

Henderson, B.H.; Pinder, R.; Crooks, J.; Cohen, R.; Goliff, W.; Stockwell, W.R.; Fahr, A.; Sarwar, G.; Hutzell, B.; Mathur, R.; Carlton, A.; Vizuete, W. Inter-mechanism Upper Tropospheric NOx Evaluation: Findings and Implications. presented at Atmospheric Chemical Mechanisms. (Dec 2010, link)

Henderson, B.H.; Pinder, R.W.; Mathur, R.; Vizuete, W. The Implications of Acetone Condensation on Remote Conditions poster at the 9th Annual CMAS Conference. (October 2010)

Allen, D.; Pickering, K.; Henderson, B.H.; Pinder, R.; Koshak, W.; Pierce, T. Impact of Lightning-NO Emissions on Eastern United States Photochemistry During the Summer of 2006 as Determined Using the CMAQ Model presented at the 9th Annual CMAS Conference. (October 2010, link)

Allen, D.; Pickering, K.; Henderson, B.H.; Pinder, R.; Pierce, T. An evaluation of upper tropospheric NOx/O3 chemistry during the INTEX-A period using CMAQ and an adjusted CB05 chemical mechanism. presented at the 11th Science Conference of the International Global Atmosphere Chemistry (IGAC) Project. (July 2010)

Henderson, B.H. Simulating Short Lived Green House Gases -- Picking up Where Air Quality Left Off. presented at the University of North Carolina ENVR 400 Seminar (Feb 17, 2010, link)

Sarwar, G.; Henderson, B.; Mathur, R.; Schere, K. Examining the impacts of two atmospheric chemical mechanisms on air quality. presented at the 103^rd Annual Air & Waste Management Association Conference (June 24, 2010)

Henderson, B.; Pinder, R.; Goliff, W.; Stockwell, W.; Fahr, A.; Sarwar, G.; Hutzell, B.; Mathur, R.; Vizuete, W.; Cohen, R. The role of chemistry in upper troposphere NO₂ under-predictions. presented at the 8^th Annual CMAS Conference. (October 2009)

Henderson, B.; Vizuete, W.; Jeffries, H. The Python Environment for Reaction Mechanism/Mathematics (PERM). poster at the 8^th Annual CMAS Conference (October 2009)

Vizuete, W.; Valencia, A.; Henderson, B.; Jeffries, H.; Process Analysis Techniques to investigate ozone production in regulatory simulations of Houston, TX presentation at the 8^th Annual CMAS Conference (October 2009)

Vizuete, W.; Valencia, A.; Jeffries, H.; Henderson, B.; Parikh, H.; Investigation of morning PBL rise and impact on ozone production in regulatory simulations used in the Houston, TX SIP presentation at the American Meteorological Society's 12th Conference on Atmospheric Chemistry (January 2010)

Shankar, U.; Henderson, B.; Arunachalam, S.; Adelman, , Z.; Ran, L.; Adams, E.; Barna, M.; Rodriguez, M. Evaluation of CMAQ Performance During the Rocky Mountain Atmospheric Nitrogen and Sulfur (RoMANS) Study. presentation at the 8^th Annual CMAS Conference (October 2009)

Henderson, B.H. and Pinder, R. Comparing Observed NOy Ratios to Simulations by 6 Mechanisms Diagnostic evaluation of global and regional chemical mechanisms. presented to the U.S. EPA Office of Research and Development (August 2009)

Henderson, B.H. and Pinder, R. Comparing Observed NOy Ratios to Simulations by 5 Mechanisms Diagnostic evaluation of global and regional chemical mechanisms. presented to the U.S. EPA Chemistry Working Group. (May 2009)

Henderson, B.H.; Pinder, R.; Goliff, W.; Stockwell, W.; Fahr, A.; Sarwar, G.; Hutzell, B.; Mathur, R.; Vizuete, W.; Cohen, R. A comparison of NOy field observations with global and regional chemical mechanisms. poster at 4th GEOS-Chem Scientific and Users' Meeting. (April 2009)

Parikh, H.; Henderson, B.; Vizuete, W.; Jeffries, H.; Visualization of 3-dimensional Model Mixing Volume Heights for CMAQ and CAMx. presentation at the 7^th Annual CMAS Conference (October 2008)

Henderson, B.H.; Vizuete, W.; Jeffries, H.; Kim, B-U.; Emission Event Investigation With a Detailed Plume Tracking Process Analysis Tool. presented at A&MWA 100th Annual Conference and Exhibition. (June 2007)

Henderson, B.H.; Vizuete, W.; Jeffries, H.; Process Analysis Probing Tool: Implementation for WRF/Chem. poster at annual WRF Conference. (July 2007)

Henderson, B.H.; Kioumourtzoglou, M.-A.; Kim, B.-U.; Vizuete, W.; Jeffries, H.E. Emission Event Investigation With a Detailed Plume Tracking Process Analysis Tool. poster at Annual American Geophysical Union Fall Meeting. (December 2006)

Henderson, B.H.; Vizuete, W.; Jeffries, H.E. Feature Tracking Process Analysis. presented at Annual CMAS Models-3 Users' Conference. (October 2006)

Professional Memberships

American Geophysical Union
Air & Waste Management Association
U.S. EPA ORD National Leadership and Training Organization (NLTO)

Skills and Training

Air Quality Models	Comprehensive Air quality Model with extensions (CAMx), Community Multiscale Air Quality model (CMAQ), Weather Research and Forecasting Chemical model (WRF-Chem), Dynamically Simple Model of Atmospheric Chemical Complexity (DSMACC), Kinetic Pre-Processor (KPP)
Visualization Tools	Integrated Data Viewer (IDV), Visualization Environment for Rich Data Interpretation (VERDI), Package for Analysis and Visualization of Environmental (PAVE), matplotlib, NCAR Command Language
Model Evaluation Techniques	Process Analysis, Ozone Source Apportionment Technology, Reactive Tracer
Programming languages	Python, R, Fortran, ASP (JScript and VBScript), Visual Basic, Javascript, Java, SmallTalk, Pascal, T-SQL, HTML, CSS, LaTeX
Database systems	MS SQL Server, Access, MySQL, SQLLite
GIS Systems	ArcGIS, MapPoint, GDAL, InfoMap
Certifications	A+ Hardware and Software Certified; LAN design and implementation
Languages	Conversational German
Computer Administration	Network and server administrator (01/06-present); computational cluster
Operating Systems	Windows 3.1,95,98,NT,2000,XP; Mac OS X; Linux (Red Hat, Ubuntu, SuSE, Debian)

Atmospheric Modeling

Research & Development | National Exposure Research Laboratory