Recent Presentations

"Nighttime Aircraft Measurements of Power Plant Plumes in the Southeast U.S.," American Geophysical Union Fall Meeting, San Francisco, CA, December 2013

"Emerging Issues in U.S. Air Quality," Hong Kong Polytechnic University, Hong Kong, China, November 2013

"The Changing Face of U.S. Air Quality: Summer vs. Winter, Urban Smog vs. the Natural Gas Boom, and Why Chemical Mechanisms Matter," McElvain Lecture in Physical Chemistry, University of Wisconsin, Madison, WI October 2013

“Reactive Nitrogen Measurements and Ozone Photochemistry,” UBWOS 2013 Data Workshop, Vernal, Utah, July 2013

“Radicals, Strange Radicals and the Radical Mechanisms that Make Them,” SEAS Seminar, Harvard University, March 2013

“Atmospheric Oxidants, Winter vs. Summer.” Chemistry Seminar, Weizmann Institute of Science, Israel, January 2013

“Wintertime Ozone and Nitrogen Oxide Photochemistry in a Western Oil and Gas Basin” Fall AGU Meeting, San Francisco, CA, December 2012

“Heterogeneous Chemistry vs. Photochemistry. What Really Controls Atmospheric Oxidation?” University of Colorado Physical Chemistry / Chemical Physics Colloquium, October 2012

“Optical Cavities and Atmospheric Spectroscopy,” Optical, Electronic and Quantum Systems Seminar, University of Colorado, September 2012

“Heterogeneous Chemistry and Regional Oxidants,” American Chemical Society National Meeting, Philadelphia, PA, August 2012

“If NO­x Oxidizes in the Dark, Can you Read Its Obituary?” Workshop on New Directions in Gas Phase Atmospheric Chemistry, Telluride, CO, August 2012

“Nighttime Oxidation of Biogenic Hydrocarbons,” Geophysical Fluid Dynamics Laboratory, Princeton, NJ, June 2012

“Everything I Ever Needed to Know about Atmospheric Chemistry,” Symposium in Honor of Fleming Crim, University of Wisconsin, Madison, May 2012

“Nighttime Oxidation of Biogenic Hydrocarbons – Interaction of Air Pollution with the Biosphere,” University of Chicago, Geosciences Seminar, April 2012

“Applications of Visible Cavity Enhanced Spectroscopy to Atmospheric Measurements,” Western Spectroscopy Association Meeting, Asilomar, CA, January 2012

“Nighttime Oxidation of Biogenic Hydrocarbons,” Department of Chemical Engineering, Arizona State University, January 2012

“Efficiency of N2O5 heterogeneous uptake over Los Angeles during CalNex 2010,” American Geophysical Union Fall Meeting, San Francisco, CA, December 2011

“Heterogeneous Chemistry after Dark: Reactive Nitrogen, Halogens and a few Surprises about Atmospheric Oxidants.” University of Chicago, Chemistry Department Seminar, October 2011

“Heterogeneous Atmospheric Chemistry of Nitrogen Oxides: New Insights from Recent Field Measurements.” NATO Advanced Research Workshop, Gdansk, Poland, October 2011

“The Dark Side of Atmospheric Chemistry,” University of California, Berkeley, Atmospheric Sciences Center Symposium, October 2011