Contact Information
- Mail: 408 ATG Building, Box 351640
- University of Washington
- Phone/Fax: 206-543-4010
- Email: joelt at uw.edu
Education
2002 Ph.D., Department of Chemistry, University of California, Berkeley
1996 B.A., Dartmouth College; Magna Cum Laude, Honors in Chemistry
Employment and Appointments
2022 – present Chair, Department of Atmospheric and Climate Science
2015 – present Professor, Department of Atmospheric and Climate Science, University of Washington, Seattle
2015 – present Adjunct Professor, Department of Chemistry, University of Washington, Seattle
2019 – 2020 Visiting Professor, Departments of Environmental Science and Meteorology, Stockholm University
2009 – 2015 Associate Professor, Department of Atmospheric Sciences, University of Washington, Seattle
2012 – 2015 Adjunct Associate Professor, Department of Chemistry, University of Washington, Seattle
2012 – 2013 Visiting Professor, Department of Physics, Division of Atmospheric Sciences, University of Helsinki
2004 – 2009 Assistant Professor, Department of Atmospheric Sciences, University of Washington, Seattle
2002 – 2004 Postdoctoral Research Fellow, Department of Chemistry, University of Toronto
Professional Awards and Achievements
2020 ISI Highly Cited Researcher
2019 ISI Highly Cited Researcher
2018 Ascent Award, American Geophysical Union, for outstanding achievements in atmospheric sciences by a mid-career researcher
2012 Henry G Houghton Award, American Meteorological Society, “For ground-breaking contributions to understanding chemical processes in the atmosphere, especially… [involving] atmospheric particles and the gas phase.”
2010 Annual Teaching Award, Department of Atmospheric Sciences, UW
2009 NSF CAREER Award
2008 NASA Group Achievement Award for INTEX-B Campaign
2008 UW Student Technology Fee Award for Student Machine Shop
2005 UW Curriculum Development Award
2003 Atmospheric Chemistry Colloquium for Emerging Senior Scientists
2002 University of California Club of San Francisco Fellowship
2000 Teaching Effectiveness Award (UC, Berkeley)
1999-2002 NASA Earth Systems Science Fellow
1999 Outstanding Graduate Student Instructor (UC, Berkeley)
1996 American Chemical Society Award for Excellence in Analytical Chemistry
Graduate Students as Primary Advisor
Glenn Wolfe PhD CHEM 2010, thesis topic: transport and forest-atmosphere exchange of reactive nitrogen, now a Research Scientist UMBC/NASA Goddard Space Flight Center
*NASA Earth System Science graduate fellowship recipient
*EPA STAR graduate fellowship recipient
Reddy Yatavelli PhD ATMS 2011 thesis topic: development of new measurement methods for gas and particle organic compounds, now Research Scientist at Desert Research Institute, University of Nevada
*NASA Earth System Science graduate fellowship recipient
Sarah Harrold MS ATMS 2010 thesis topic: organic nitrogen compounds in a forest environment, now a staff scientist at Puget Sound Clean Air Agency
Theran Riedel PhD CHEM 2013 thesis topic: chlorine radical sources and chemistry in polluted regions, now a Postdoctoral Fellow, UNC Chapel Hill
*NASA Earth System Science graduate fellowship recipient
Beth Friedman PhD ATMS 2014 thesis topic: cloud nucleating ability of atmospheric particles, now a Postdoctoral Fellow at Colorado State University
*DOE Graduate Student Fellowship recipient
Julia Peterson MS CHEM 2011 thesis topic: assessment of high-resolution time of flight mass spectrometry for detection of oxygenated hydrocarbons by chemical ionization, now in Private Industry
Felipe Lopez-Hilfiker PhD ATMS 2015 thesis topic: composition and volatility of atmospheric organic aerosol in subtropical and boreal forest ecosystems
Emma D’Ambro PhD CHEM 2019 thesis topic: atmospheric organic aerosol formation from photochemical oxidation of isoprene (biogenic hydrocarbon with largest emission rate)
*NSF Graduate Fellowship recipient
Jessica Haskins PhD ATMS 2020 thesis topic: tropospheric reactive chlorine chemistry. *jointly advised with L. Jaeglé; AMS Graduate Fellowship recipient and ARCS fellow, EPA STAR Fellow
Lexie Goldberger MS ATMS 2017 thesis topic: couplings between reactive nitrogen and organic aerosol chemistry in biomass burning plumes.
Qiaoyun Peng PhD ATMS 2022 thesis topic: measurements and modeling of reactive nitrogen emissions and chemistry in western U.S. wildfire plumes
Jeremy Chan PhD BIO 2022 thesis topic: Olfactory pollution in the Anthropocene, the impact of nitrogen oxides and ozone on plant-pollinator interactions
Carley Fredrickson PhD ATMS 2024 thesis topic: In Situ and Remote Sensing Constraints on Reactive Nitrogen Emissions and Evolution in Wildfires
Philip Rund PhD ATMS Expected 2025 thesis topic: Reactive Bromine Chemistry in the Sub-Tropical Marine Boundary Layer – Novel Constraints on Heterogeneous Activation and Recycling
Tianyi Xu MS CHEM Expected 2025 thesis topic: Indoor Air Chemistry Resulting from Application of a Commercial Chlorine-based Disinfectant
Christopher Wright PhD ATMS Expected 2026 thesis topic: Aerosol Effects on Shallow and Deep Convective Cloud Microphysics – Implications for Lightning and Cloud Radiative Forcing
Randall Jones PhD ATMS Expected 2026 thesis topic: Development and Applications of a Deep Learning Model for Global High Resolution Predictions of Lightning Stroke Density
Olivia Hakan PhD CHEM Expected 2027 thesis topic: Sources and Properties of Aerosol Particles in the Remote Marine Boundary of the NE Pacific – Current Day Importance of Volcanic and Biogenic Emissions
Austin Dobrecevich PhD CHEM Expected 2027 thesis topic: Development and Characterization of a Compact, High-Speed, Hadamard Gas Chromatograph Coupled to an Ultra-Portable Time of Flight Chemical Ionization Mass Spectrometer (HSGC-UPToF-CIMS).
Postdoctoral Supervision
| V. Faye McNeill | 2005-2007 | PhD, MIT | Associate Professor, Columbia University |
| James Kercher | 2007-2009 | PhD, Duke U. | Associate Professor, Hiram College |
| Timothy Bertram | 2007-2009 | PhD, UC Berkeley | Assistant Professor, University of Wisconsin, Madison |
| Claudia Mohr | 2011-2014 | PhD, ETH, Zurich | Assistant Professor, Stockholm University |
| Cassandra Gaston | 2012-2015 | PhD, UCSD | Assistant Professor, University of Miami |
| Siegfried Schobesberger | 2015-2016 | PhD, U. Helsinki | Assistant Professor, University of Eastern Finland |
| Ben Lee | 2012-2016 | PhD, Harvard U. | Research Scientist University of Washington |
| Yue Zhao | 2016-2018 | PhD, Peking U. | Assistant Professor, Shanghai Jiao Tong University |
| Brett Palm | 2017-2019 | PhD, CU, Boulder | Research Scientist at NCAR |
| Olga Garmasch | 2022-2024 | PhD, U. Helsinki | Assistant Professor, University of Copenhagen |
| Christopher Kenseth | 2022-Current | PhD, Caltech | |
| Huan Song | 2024- Current | PhD, Peking Univ |
Professional Awards and Accomplishments
2020 ISI Highly Cited Researcher
2019 ISI Highly Cited Researcher
2018 Ascent Award, American Geophysical Union, for outstanding achievements in atmospheric sciences by a mid-career researcher
2012 Henry G Houghton Award, American Meteorological Society, “For ground-breaking contributions to understanding chemical processes in the atmosphere, especially… [involving] atmospheric particles and the gas phase.”
2010 Annual Teaching Award, Department of Atmospheric Sciences, UW
2009 NSF CAREER Award
2008 NASA Group Achievement Award for INTEX-B Campaign
2008 UW Student Technology Fee Award for Student Machine Shop
2005 UW Curriculum Development Award
2003 Atmospheric Chemistry Colloquium for Emerging Senior Scientists
2002 University of California Club of San Francisco Fellowship
2000 Teaching Effectiveness Award (UC, Berkeley)
1999-2002 NASA Earth Systems Science Fellow
1999 Outstanding Graduate Student Instructor (UC, Berkeley)
1996 American Chemical Society Award for Excellence in Analytical Chemistry
Professional Activities and Service
Editorial Duties
2020 – present Editorial Board, Royal Society of Chemistry’s Environmental Science: Atmospheres journal
2015 – 2020 Editor, Geophysical Research Letters (editor of ~ 250 manuscripts per year)
2013 – present Invited Editor, Atmospheric Chemistry and Physics special issue on the UK’s RONOCO campaign
2012 – present Invited Editor, Atmospheric Chemistry and Physics special issue on CARES campaign
2006 – present Co-Editor of the journal Atmospheric Chemistry and Physics
Peer Reviewer Activities
2003 – present Regular peer reviewer for following journals: Science, Nature, Proceedings of the National Academy of Sciences, Atmospheric Chemistry and Physics, Environmental Science and Technology, Geophysical Research Letters, Journal of Geophysical Research, Journal of Physical Chemistry, Physical Chemistry and Chemical Physics, Journal of Aerosol Science
2003 – present Peer reviewer and/or review panel member for following funding agencies: NSF, DOE, NASA, UK NERC, DFG (Germany), Israel Science Foundation, and others
Committee and Organizational Activities
2025 Expert Panelist on Silver Linings – ClimateImpact Roundtables at SF Climate Week on Climate Observations and Climate Interventions
2024 Expert Panelist on Silver Linings – ClimateImpact Roundtables at the World Economic Forum (Davos) on Climate Observations and Climate Interventions
2023 Expert Panelist on Silver Linings – ClimateImpact Rountables at NY Climate Week on Climate Observations and Climate Intervention
2024 – 2025 Co-Chair NSF/NCAR Lower Atmospheric Observing Facility’s Future Airborne Chemical Instrumentation Workshop
2023 – 2025 PNNL Cloud Chamber Science Planning Committee
2019 – 2023 Co-Chair and Co-Vice Chair, Gordon Conference on Atmospheric Chemistry
2020 – 2021 AGU Revelle Medal Selection Committee
2020 – 2021 Scientific Advisory Committee for Mountain Observatories for Composition of the Atmosphere
2019 Board of Visitors, U.S. Army Research Office Earth Sciences program
2018 – 2023 NCAR ACOM Advisory Panel for Instrumentation
2018 – 2020 NSF Observational Facility Advisory Panel (OFAP)
2017 Panel member NSF-sponsored long-term chemical flux measurement workshop
2015 – 2017 Chair AMS Committee on Atmospheric Ozone Statement
2014 – present Scientific Advisory Group, European Research Council funded project: Comprehensive molecular characterization of organic aerosol formation in the atmosphere
2015 – present AMS Science and Early Career Researcher Engagement Committee
2013 – 2016 AMS Science and Technology Advisory Committee on Atmospheric Chemistry
2013 – present Co-lead DOE Atmospheric System Research focus area on organic and inorganic aerosol interactions
2014 – 2016 Environmental Molecular Sciences Laboratory’s (EMSL) Aerosol Initiative Strategic Planning and Review Panel at Pacific Northwest National Laboratory
2014 Organizing Committee: Long-range Pollution Transport Impacts on Criteria Pollutants Conference
2012 – 2014 Co-organizer Telluride Conference on Organic Particles in the Atmosphere
2012 Fundamental and Computational Sciences Directorate Advisory Committee, Pacific Northwest National Laboratory
2011 Co-Chair Tropospheric Halogens and Multiphase Chemistry, American Geophysical Union Fall Meeting
2008 Co-Chair Physical Chemistry of Atmospheric Processes, a weeklong session at the American Chemical Society Spring Meeting
2006 Co-Chair Tropospheric Heterogeneous Chemistry and Aerosol Phase Transitions, American Geophysical Union Fall Meeting
2006 – 2008 Pacific Northwest National Laboratory Aerosol Climate Initiative Advisory Panel
2005 Pacific Northwest National Laboratory Environmental Molecular Sciences Laboratory Recapitalization Workshop/Panel
2004 Co-Chair Tropospheric Chemistry, American Geophysical Union Spring Meeting
Atmospheric Chemistry Field Campaigns and Science Teams (since 2009):
2020 – 2023 Greater New York Oxidant, Trace gas, Halogen, and Aerosol Airborne Mission (GOTHAAM, NSF/NCAR C-130 aircraft)
2017 – 2020 FIREX (NOAA Twin Otter Aircraft)
2017 – 2020 Western Wildfire Clouds Aerosols and Nitrogen (WE-CAN, NSF C-130 aircraft)
2017 – 2019 Utah Winter Fine Particle Study (NOAA Twin Otter aircraft)
2016 – 2019 Hi-SCALE (DOE G-1 aircraft)
2015 – 2018 Wintertime Emissions, Transformations, and Transport – (PI, NSF C-130 aircraft)
2015 – 2018 Biogenic Aerosol Effects on Clouds and Climate (DOE AMF 2) – Finland
2013 Southeast Nexus of Climate and Air Quality (SENEX) – (NOAA P-3 aircraft)
2013 Southern Oxidants and Aerosol Study (SOAS) – (NSF)
2013 Pan-European Gas-AeroSOls-climate interaction Study (PEGASOS) – Finland
2011 – 2014 ClearFlo: London Air Quality Campaign, sponsored by DOE ASR
2011 NACHTT – Tall tower study of nighttime nitrogen oxide and halogen activation chemistry (UW and NOAA ESRL collaboration)
2010 CALNEX 2010 – A coupled air quality and climate forcing study. Participating on NOAA-led cruise, LA ground site, and Bakersfield ground site
2009 Activation of Continental Chloride by Reactive Oxides of Nitrogen in wInter tiMe: Boulder, Co, February 2009 (UW –NOAA ESRL collaboration)
2007 – 2010 VAMOS Ocean-Cloud-Land Study: Deployment at Paposo Land Site September – November 2008
2007 – 2010 International Chemistry Experiment in the Arctic Lower Troposphere (Part of International Polar Year): March – April 2008 on the Research Vessel Knorr
2007 – 2010 Biosphere Effects on Aerosols and Photochemistry Experiment: Blodgett Forest, CA, July – October 2007 and June – July 2009
University of Washington Service
2023 – 2024 Climate Action and Adaptation Executive Strategy Task Force
2022 and 2023 New Faculty Orientation Panelist on Building a Research Program
2023 Search Committee Chair – Department of Earth and Space Sciences Chair
2022 – present Chair, Department of Atmospheric and Climate Science
2019 – 2022 Associate Chair, Department of Atmospheric Sciences
2017 – 2022 Graduate Program Chair, Department of Atmospheric Sciences
2017 – 2019 University of Washington Faculty Senate
2014 – 2015 Civil and Environmental Engineering Faculty Search Committee
2014 – present Payload Advisor to UW Society for Advanced Rocket Propulsion
2013 – present Department Strategic Planning Committee
2011 – present Program on the Environment Advisory Board
2011 Department of Atmospheric Sciences Chair Search Committee
2011 – 2013 UWHS Climate Course (Luanne Thompson lead) –course content provider
2010 – 2011 Atmosphere-Biosphere Faculty Search Committee
2010 – present Hobbs Memorial Lecture Selection Committee
2010 – present Department Development Committee
2007 – present Undergraduate Curriculum Committee
2007 – present Alternate Graduate Program Coordinator
2006 – present Research Infrastructure and Machine Shop Committee (Chair as of 2010)
2007 – 2008 Atmosphere and Climate Dynamics Faculty Search Committee
2004 – present Graduate School Representative (>6 since 2009)
Presentations: Invited Lectures (2009 – 2025)
December 2024, Invited Lecture, Biogenic VOC Transport and Chemistry in Convective Clouds – From Scavenging to New Particle Formation, AGU Annual Meeting Washington DCS
April 2024, Invited Lecture, Biogenic VOC Multiphase Chemistry – From Cloud Scavenging to New Particle Formation, EGU Annual Meeting Vienna
June 2023, Invited Lecture, “Uptake and Loss of IEPOX to Clouds: Large Eddy Simulations of Isoprene Multiphase Chemistry”, Canadian Society of Chemistry Annual Meeting
January 2022, Invited Lecture, “Oxidative processing in fresh wildfire plumes: implications for ozone and particulate matter formation”, American Meteorological Society Annual Meeting
November 2021, Invited Lecture, “The Chemistry of Wildfire Plumes”, William and Mary University, Department of Chemistry
October 2021, Invited Lecture, “The Chemistry of Biogenic VOC From the Fast Flow Tube to Convective Outflow”, NCAR ACOM Seminar Series
March 2020, Invited Lecture, “Stealing Zeus’ Thunder: Anthropogenic Enhancements to Lightning”, University of Toronto, Climate and Global Change Lecture Series
February 2020, Invited Lecture, “What happens to air pollution when it is cold and dark? Insights from the WINTER campaign”, Department of Environmental Sciences, Stockholm University
November 2019, Invited Lecture, “What happens to air pollution when it is cold and dark? Insights from the WINTER campaign” Shanghai Jiao Tong University
November 2019, Invited Lecture, “The Chemistry of Nanoparticle Growth Over Forests” Fudan University, Shanghai
October 2019, Invited Seminar, “Stealing Zeus’ Thunder: Anthropogenic Enhancements to Lightning”, Meteorological Institute of Stockholm University
October 2019, Invited Lecture, “The Chemistry of Wintertime Pollution: Insights from the WINTER campaign” AQUARIUS science team meeting
August 2019, Invited Keynote, “The Chemistry of Biogenic Secondary Organic Aerosol Formation”, European Aerosol Conference
June 2019, Invited Seminar, “Western Wildfire Emissions, Clouds, Aerosols and Nitrogen Campaign Overivew, U.S. Forestry Service Wildland Fires Laboratory, Seattle
May 2019 Invited talk, “Mechanistic Source Apportionment of Secondary Organic Aerosols”, GEOS-Chem User’s Meeting
August 2018, invited lecture, “A Mechanistic Source Apportionment of Secondary Organic Aerosol”, Julich Research Center, Julich Germany
July 2018, invited lecture, “A Mechanistic Source Apportionment of Secondary Organic Aerosol”, Telluride Conference on Organic Particles in The Atmosphere
April 2018, invited lecture, “Peroxy Radical Chemistry that Drives New Particle Formation and Growth”, Colorado University, Boulder
December 2017, invited lecture, “Laboratory Studies of Monoterpene Secondary Organic Aerosol Formation and Aging,” American Geophysical Union Fall Meeting, New Orleans, LA
November 2017, invited lecture, Wintertime Transport, Emissions and Reactivity” National Center for Atmospheric Research, Boulder CO
October 2017, plenary lecture, “Towards a Molecular-level Understanding of Biogenic Secondary Organic Aerosol, American Association for Aerosol Research Annual Conference, Raleigh NC
May 2017, key note speaker, “What happens to air pollution when it is cold and dark?” University of Alaska, Fairbanks Environmental Chemistry Symposium, Fairbanks AK
February 2017, invited lecture, “An Outsized Climate Effect for Organic Peroxy Radical Chemistry,” University of California, Riverside, Dept. of Environmental Sciences seminar series, Riverside, CA
February 2017, invited lecture, “An Outsized Climate Effect for Organic Peroxy Radical Chemistry,” University of California, Berkeley, College of Chemistry seminar series, Berkeley, CA
December 2016, invited lecture, “Insights into Wintertime Radical Budget from the WINTER Campaign,” American Geophysical Union Fall Meeting, San Francisco, CA.
October 2016, invited tutorial, “Organic Aerosol Chemistry and Novel Instrumentation”, American Association for Aerosol Research annual conference, Portland, OR
September 2016, invited lecture “From Isoprene to Secondary Organic Aerosol”, International Global Atmospheric Chemistry Conference, Breckenridge, CO
August 2016, invited lecture “Wintertime Oxidant Budgets”, American Chemical Society annual meeting, Philadelphia, PA.
July 2016, invited lecture “Isoprene, Peroxy Radicals and Organic Aerosols”, plenary speaker to joint session of the Telluride Science Research Conferences on Organic Aerosols in the Atmosphere and New Insights into Atmospheric Chemistry, Telluride, CO
June 2016, invited lecture, “Chemical Couplings Between Forests, Humans, and Atmospheric Aerosol Particles”, University of Helsinki, Department of Physics seminar series
June 2016, invited lecture, “Chemical Couplings Between Forests, Humans, and Atmospheric Aerosol Particles”, University of Copenhagen, Department of Chemistry seminar series
June 2016, invited lecture, panel member, “Isoprene Multiphase Chemistry and SOA”, CLOUD Open Meeting, Frankfurt, Germany
January 2016, invited lecture, “Forests, Humans, and Atmospheric Aerosol Particles”, University of California, Irvine, Department of Chemistry seminar series
December 2015, invited lecture, “Applications of online high resolution time of flight chemical ionization mass spectrometry (HRToF-CIMS): opportunities and challenges for aircraft measurements, atmosphere-ecosystem exchange, and organic aerosol composition”, AGU Fall Meeting, San Francisco, CA
December 2015, invited lecture,“An overview of reactive chlorine measurements during the WINTER C-130 aircraft campaign”, AGU Fall Meeting, San Francisco, CA,
October 2015, invited lecture, “On the volatility of IEPOX derived SOA,” American Association for Aerosol Research Annual Meeting, Minneapolis, MN
August 2015, invited lecture, “Highly Functionalized Organic Nitrates: Implications for SOA and Reactive Nitrogen Cycling,” American Chemical Society Fall Meeting, Boston, MA
April 2015, invited lecture, “Forests, Humans, and Atmospheric Aerosol Particles”, Colorado State University, Department of Chemistry seminar series
March 2015, invited lecture, “Photochemical and multiphase sources of SOA from isoprene,” American Chemical Society Spring Meeting, Denver, CO
December 2014, invited lecture, “Detection of extremely low volatility organic compounds in the gas-phase: implications for cloud condensation nuclei and secondary organic aerosol,” American Geophysical Union Annual Meeting, San Francisco – Given by postdoctoral fellow C. Gaston due to scheduling conflict
December 2014, invited lecture, “Detection of extremely low volatility organic compounds in the gas-phase: implications for cloud condensation nuclei and secondary organic aerosol,” International Atmospheric Chemical Mechanisms Conference, Davis
August 2014, invited lecture, “Nitrogen oxides in high biogenic voc environments: implications for NOx removal and SOA formation,” American Chemical Society Annual Meeting, San Francisco
August 2014, invited lecture, “Detection of extremely low volatility organic compounds in the gas-phase: implications for cloud condensation nuclei and secondary organic aerosol,” American Chemical Society Annual Meeting, San Francisco
July 2014, invited lecture, “Attack of the Peroxides: ELVOC and the Saving Grace of IEPOX”, Telluride Science Research Conference Organic Aerosol meeting
May 2014, invited lecture, “Detection of extremely low volatility organic compounds in the gas-phase: implications for cloud condensation nuclei and secondary organic aerosol”, EMSL Aerosol Initiative Science Meeting, PNNL
March 2014, invited plenary lecture, “Detection of extremely low volatility organic compounds in the gas-phase: implications for cloud condensation nuclei and secondary organic aerosol”, Department of Energy Atmospheric System Research Science Team Meeting
November 2013, invited lecture, “Low volatility organic acids in gas and particle phases,” Center for Particle Studies, Carnegie Mellon University
March 2013, invited lecture, “Rethinking the role of nocturnal nitrogen oxide chemistry on air quality and climate,” Department of Physics, University of Eastern Finland, Kuopio
February 2013, invited lecture, “Rethinking the role of nocturnal nitrogen oxide chemistry on air quality and climate,” Center for Atmospheric Chemistry, University of Gothenburg
December 2012, invited lecture, “Rethinking the role of nocturnal nitrogen oxide chemistry on air quality and climate,” Institute for Energy and Climate, Forschungszentrum Jülich, Germany,
October 2012, invited lecture, “Rethinking the role of nocturnal nitrogen oxide chemistry on air quality and climate,” Institute for Atmospheric and Climate Science, Swiss Federal Institute of Technology (ETH)
October 2012, invited lecture, “Effect of Aerosol Organics on Trace Gas Processing” Finnish Center of Excellence Fall Meeting, Hyytiälä Finland
August 2012 invited lecture, “Chlorine activation by Nocturnal Reactive Nitrogen: Impacts on oxidants, ozone, and VOC,” American Chemical Soceity Fall Meeting Philadelphia – Given by student Theran Riedel due to my departure for sabbatical in Finland
July 2012, invited lecture, “Organic acids in gas and particle phases”, Telluride Science Research Conference, Organic Aerosols: Formation, Processing and Impacts
May 2012, invited lecture, “N2O5 uptake to halide-doped ices” Canadian Society of Chemistry Spring Meeting, Calgary
May 2012, invited lecture, “Stumbling around in the dark: the importance of nighttime heterogeneous chemistry to reactive nitrogen budgets” Analytical Chemistry Seminar, Department of Chemistry, University of Washington
April 2012, invited lecture, “Stumbling around in the dark: the importance of nighttime heterogeneous chemistry to reactive nitrogen budgets”, Harvard University, School of Engineering and Applied Sciences
March 2012, invited lecture, “From Alkane SOA to Light Absorbing Compounds in Biomass Burning Particles: Applications of the MOVI-CI-HTOFMS” CI-TOF User’s Meeting, Boulder, CO.
August 2011, invited lecture, “Direct Measurements of N2O5 reactivity on Ambient Particles”, American Chemical Society Annual Meeting, Denver
July 2011, invited lecture, “Chlorine Activation by N2O5 in Expected and Unexpected Locations”, Dartmouth College, Hanover, NH.
July 2011, invited lecture, “Chlorine Activation by N2O5 in Expected and Unexpected Locations”, Gordon Research Conference on Atmospheric Chemistry, Mt. Snow, VT.
April 2011, invited lecture, “Rethinking Chlorine Atom Sources in Polluted Coastal and Continental Regions”, HALOPROC Annual Research Team Meeting, Oberjoch Germany
December 2010, invited lecture, “Halogen Activation by N2O5 in Continental and Marine Environments: Mechanistic Insights from Field Observations and Expected Impacts on Oxidant Budgets” International Atmospheric Chemical Mechanisms Conference
December 2010, invited lecture, “Towards in situ molecular-level speciation of organic aerosol using a chemical ionization high-resolution time of flight mass spectrometer (CI-HToF-MS), Environmental Chemistry of Aerosols, Pacifichem 2010 Congress
December 2010, invited lecture, “The Chemistry of Forest Atmosphere Exchange” American Geophysical Union Fall Meeting
October 2010, invited lecture, “Rethinking chlorine atom sources and the role of nighttime chemistry” Massachusetts Institute of Technology, EAPS
October 2010, invited lecture, “The Chemistry of Atmosphere Forest Exchange”, Harvard University, Earth and Planetary Sciences
September 2010, invited lecture, “Chlorine Activation and Air Quality”, Pacific National Northwest Laboratory
August 2010, invited lecture, “Widespread Halogen Activation by N2O5 Heterogeneous Chemistry”, American Chemical Society annual meeting, Boston
July 2010, invited lecture, “Organic Aerosol Viewed Through Two Lenses”, Telluride Science Research Conference on Organic Aerosols
January 2010, invited lecture, “Sea Spray Chemistry Over Denver and Other Insights into Nocturnal Reactive Nitrogen Chemistry,” Howard University, Washington, D.C.
December 2009, invited lecture, “From Tromsø to Boulder: the global importance of ClNO2 as a Cl atom source”, American Geophysical Union Meeting
Presentations: Contributed (2009-2015) by Thornton (not students/postdocs)
July 2015, contributed poster, “Photochemical and multiphase sources of SOA from Isoprene”, Gordon Research Conference on Atmospheric Chemistry, Waterville Valley, NH
May 2014, contributed lecture, “Found in Finland: Missing link between forest emissions an cloud condensation nuclei,” UW Department Atmospheric Sciences Colloquium
July 2013, contributed poster, “Highly Oxygenated Organic Acids in Gas and Particle Phases”, Gordon Research Conference on Atmospheric Chemistry
April 2013, contributed lecture, “A MCM modeling study of the effects of nitryl chloride on oxidant budgets, ozone production, VOC lifetimes, and halogen recycling in polluted regions,” European Geophysical Union Annual Meeting
March 2012, contributed poster, “From Alkane SOA to Light Absorbing Compounds in Biomass Burning Particles: Applications of the MOVI-CI-HTOFMS” DOE ASR Science Team Meeting
December 2011, contributed poster, “Nitryl Chloride (ClNO2) from Sea to Shining Sea: A comparison of observations in the coastal Pacific and North Atlantic” American Geophysical Union Annual Meeting
April 2011, contributed lecture, “On the relationship between nitryl chloride and molecular chlorine and their relative importance as Cl-atom sources” European Geophysical Union Annual Meeting
June 2010, contributed poster, “What happens at night matters the next morning: coupling between N2O5 chemistry and morning oxidants” International Global Atmospheric Chemistry meeting
December 2009, contributed lecture: “Sea Spray Chemistry Over Denver: A large atomic chlorine source inferred from nitrogen oxide chemistry,” UW Department of Atmospheric Sciences Colloquium