Publications and Presentations

(See Presentations below.)

Gathering data...




Rebecca Hornbrook, Eric Apel, Alan Hills, Elizabeth Asher, Louisa Emmons, Forrest Lacey, Simone Tilmes, Doug Kinnison, Jean-Francois Lamarque, Don Blake, Nicola Blake, Isobel Simpson, Barbara Barletta, Simone Meinardi, Steve Montzka, Fred Moore, Ben Miller, Colm Sweeney, Kathryn McKain, Eric Ray, Tom Ryerson, Chelsea Thompson, Jeff Peischl, Paul Bui, Bruce Daube, Steve Wofsy, Róisín Commane, Tom Hanisco, Glenn Wolfe, Jason St. Clair, and the ATom Science Team, Transport of Gas-Phase Anthropogenic VOCs to the Remote Troposphere during the NASA ATom Mission, AGU Fall Meeting, New Orleans, LA, 2017.

Eric C. Apel, Alan J. Hills and Rebecca S. Hornbrook, TOGA: the Trace Organic Gas Analyzer Airborne VOC Measurements, WMO GAW-VOC Expert Group Workshop, Boulder, CO, 2017.


Hornbrook, Rebecca S., E. C. Apel, Nicola J. Blake, Alan J. Hills, Elliot Atlas, Britton B. Stephens, Colm Sweeney, Eric Kort, Martin Hoeker-Martinez, and the ORCAS science team, VOC Observations over the Southern Ocean during ORCAS, IGAC Meeting, Breckenridge, CO, 2016.


Hornbrook, Rebecca, Eric Apel, Alan Hills, Don Blake, Nicola Blake, Jason Schroeder, Alan Fried, Dirk Richter, Jim Walega, Petter Weibring, Teresa Campos, Brian Heikes, Deedee Montzka, John Orlando, Andy Weinheimer, Meghan Stell, Geoff Tyndall, Victoria Treadaway, Dan O’Sullivan, Greg Huey, David Tanner, Ron Cohen, Frank Flocke, Gabi Pfister, and the FRAPPÉ science team, Observations of VOCs in the Colorado Front Range during FRAPPÉ, Atmospheric Chemistry Gordon Research Conference, Waterville Valley, New Hampshire, 2015.

Hornbrook, Rebecca, Doug Kinnison, Eric Apel, Alan Hills, Simone Tilmes, Jean-Francois Lamarque, Sue Schauffler, Dan Riemer, Elliot Atlas, Valeria Donets, Alfonso Saiz-Lopez, and the TORERO and CONTRAST science teams, CAM-Chem Model Evaluation of the Emissions and Distributions of VSLS using TOGA obserations over the Eastern and Western Tropical Pacific Ocean, EGU spring meeting, Vienna, Austria, 2015.

Hornbrook, Rebecca S., E. C. Apel, A. J. Hills, L. Emmons, L. Kaser, L. Mauldin, N. Blake, and the NOMADSS Science Team, Airborne Observations of VOCs during NOMADSS, SAS Data Meeting, Boulder, CO, 2014. 

Apel, Eric, Hornbrook, R., Hills, A., Campos, T., Pan, L., Riemer, D., Blake, N., Blake, D., Atlas, E., Schauffler, S., Lueb, R., and Salawitch, R., Spatial distributions of trace organic species: Results from TORERO and CONTRAST airborne campaigns with the interpretation aided by the CAM-Chem 3D chemistry climate model, AGU Fall meeting, San Francisco, CA, 2014.

Elliot Atlas, Lucy Carpenter, Maria Navarro, Richard Lidster, Eric Apel, Jamie Minaelin, Rebecca Hornbrook, Sue Schauffler, Dan Reimer, Rich Lueb, Alan Hills, Roger Hendershot, Stephen Andrews, Jim Hopkins, Valeria Donets, and Nicola Blake, AWAS, CAST-WAS, and TOGA Measurement Intercomparisons poster, CONTRAST data meeting, Boulder, CO, 2014.

Elliot Atlas, Maria Navarro, Eric Apel, Rebecca Hornbrook, Dan Reimer, Sue Schauffler, Rich Lueb, Valeria Donets, Alan Hills, and Nicola Blake, TOGA and AWAS Instrument Descriptions, CONTRAST data meeting, Boulder, CO, 2014.



Rebecca Hornbrook, Eric Apel, Alan Hills, Dan Riemer, Nicola Blake, and the NOMADSS Science Team, Observations of Biogenic Hydrocarbons and their Oxidation Products over the Southeast U.S., Atmospheric Chemistry Gordon Research Conference, Mount Snow, Vermont, 2013.

Rebecca Hornbrook, Eric, Apel, Dan Riemer, Alan Hills, Greg Huey, Dan O’Sullivan, Don Blake, Armin Wisthaler, Paul Wennberg, and the DC3 Science Team, An Investigation of Convective Transport Efficiency Using TOGA data and other species observed during DC3, DC3 Data Meeting, Boulder, CO, 2013.

Daniel D. Riemer, Eric C. Apel, Alan J. Hills, and Rebecca S. Hornbrook, The Trace Organic Gas Analyzer (TOGA) ‐ an airborne fast gas chromatograph mass spectrometer for atmospheric chemistry measurements, 2013. 



Rebecca Hornbrook, Doug Kinnison, Eric Apel, Simone Tilmes, Alan Hills, Lucy Carpenter, Stephen Andrews, Jean-Francois Lamarque, Brad Pierce, Rainer Volkamer, and the TORERO Science Team, Measurements of Short-Lived Organohalogens Over the Easter Tropical Pacific Ocean During TORERO, AGU Fall Meeting, San Francisco, CA, 2012.

Rebecca Hornbrook, Eric Apel, Alan Hills and Dan Riemer, TOGA VOC Measurements over the Eastern Pacific during TORERO, TORERO data meeting, Boulder, CO, 2012.



Rebecca Hornbrook, Eric Apel, Alan Hills, Daniel Riemer, Barkley Sive, Andy Weinheimer, Alan Fried, Detlev Helmig, Ralf Staebler, Andrew Turnipseed, Petter Weibring, Jim Walega, and the OASIS Science Team, Impact of Halogens on Gas-Phase NMOCs in the Arctic Troposphere, AGU Fall Meeting, San Francisco, CA, 2011. 



Hornbrook, R., Diskin, G., Apel, E., Riemer, D., Wennberg, P., Crounse, J., St. Clair, J., Vay, S., Blake, D., Wisthaler, A., Mikoviny, T., Kürten, A., & the ARCTAS science team, Observations of Volatile Organic Compounds in Biomass Burning Plumes During POLARCAT/ARCTAS, AGU Fall Meeting, San Francisco, CA, 2009.



Apel, E. C., Riemer, D. D., Emmons, L., Karl, T., Campos, T., Mauldin, L., Measurements of semi-soluble organic species over the eastern Pacific Ocean during springtime, IGAC, Acceny, France, 2008. 

Daniel Riemer, Eric Apel, Chandra Venkataraman, Elliot Atlas, Atmospherically and climatologically relevant emissions from Mumbai, India, AGU Fall Meeting, San Francisco, CA, 2008.

Ben West, Daniel Riemer, Eric Apel, Alan Hills, Barkley Sive, Louisa Emmons, Brian Giebel, Tiffany Wintle, and John Orlando, MTBE is a Tracer for Asian and Mexican Megacity Emissions. 



Apel, E. C., Hills, A., Emmons, L., Orlando, J., and Riemer, D. D., Airborne measurements of acetonitrile and other organic tracers during MIRAGE-MEX.

Daniel D. Riemer, Eric C. Apel, John Orlando, Paul L. Tanaka, David Allen, and Jim Neece, Atomic Chlorine is an Oxidant in the Coastal Marine Boundary Layer and in Houston, Texas.

Daniel D. Riemer, Eric C. Apel, Brad A. Baker, Rod G. Zika, Willer H. Pos, Methanol – Potentially a Significant Source of Atmospheric Formaldehyde. 

Hills, A., Apel, E., and Riemer, D., Trace Organic Analyzer (TOGA): Airborne VOC measurements during MIRAGE-MEX.



Apel, E. C., T. Brauers, R. Koppmann, R. Tillmann, C. Holzke, R. Wegener, Jens Boßmeyer, A. Brunnerd, T. Ruuskanend, M. Jocherd, C. Spirig, R. Steinbrecher, R. Meier, D. Steigner, E. Gomez Alvarez , K. Müller, S. J. Solomon, G. Shadeh, D. Young, P. Simmonds, J. R. Hopkins, A. C. Lewis, G Legreid, A. Wisthaler, A. Hansel, R. Blake, K. Wychem, P. S. Monks, Intercomparison of oxygenated volatile organic (OVOC) measurements at the SAPHIR atmosphere simulation chamber, AGU Fall Meeting, San Francisco, CA, 2006.



Apel, E. C., A. Hills, R. Lueb, A. Fried, D. D. Riemer, H. B. Singh, G. Sachse, J. Crawford, and D. R. Blake, Measurements of alcohols, aldehydes and ketones during TRACE-P. 

Eric Apel, Daniel Riemer, William Brune, Ian Faloona, David Tan, Mary Anne Carroll, Troy Thornberry, Michael Town, Anne Louise Sumner, Isoprene Chemistry in Rural Forested Areas: Significance of Nighttime HOx.




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