Publications

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Driessen, O. M.; Murphy, J. G. Assessing PH- and Temperature-Dependence in the Aqueous Phase Partitioning of Organic Acids and Bases in the Atmosphere. Environ. Sci.: Atmos. 2025. https://doi.org/10.1039/D5EA00034C.

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Christie, J. A.; Elliott, H. E.; O’Connell-Lopez, S. M.; Perry, K.; Pratt, K. A.; Hallar, A. G.; Hrdina, A.; Murphy, J. G.; Riedel, T. P.; Long, R. W.; others. Halogen Production from Playa Dust Emitted from the Great Salt Lake: Implications of the Shrinking Great Salt Lake on Regional Air Quality. ACS Earth and Space Chemistry 2025.

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Davis, M.; Murphy, J.; Sitwell, M. Modeling the Impact of the Bidirectional Exchange of NH3 from the Great Lakes on a Regional and Local Scale Using GEM-MACH. Journal of Geophysical Research: Atmospheres 2025, 130, e2024JD041962.

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Yang, X.; Murphy, J. G.; Tao, Y. Particle Size Dependence and Phase Partitioning of Dimethylamine and Diethylamine in an Urban Atmosphere across Seasons. ACS Earth and Space Chemistry 2025.

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Murphy, J. G.; Wentworth, G. R.; Moravek, A.; Collins, D. B.; Sharma, S. Processes Regulating the Sources and Sinks of Ammonia in the Canadian Arctic. Faraday Discussions 2025, Atmospheric Chemistry in Cold Environments.

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Salcedo, D.; Tao, Y.; Wizenberg, T.; Jones, D.; Murphy, J. Simultaneous Gas and Particle Phase Measurements Facilitate the Understanding of Ammonia’s Atmospheric Budget. Journal of Geophysical Research: Atmospheres 2025, 130, e2025JD043435.

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Davis, M. G.; Yan, K.; Murphy, J. G. Evaluating Adsorption Isotherm Models for Determining the Partitioning of Ammonium between Soil and Soil Pore Water in Environmental Soil Samples. Biogeosciences 2024, 21, 5381–5392.

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Simon, S. J.; Murphy, J. G. Ozone Uptake Kinetics and Implications for the Extent of Modification of Airborne Pollen. ACS ES&T Air 2024.

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Rivellini, L.-H.; Jorga, S.; Wang, Y.; Lee, A. K.; Murphy, J. G.; Chan, A. W.; Abbatt, J. P. Sources of Wintertime Atmospheric Organic Pollutants in a Large Canadian City: Insights from Particle and Gas Phase Measurements. ACS ES&T Air 2024, 1, 749–762.

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Womack, C. C.; Chace, W. S.; Wang, S.; Baasandorj, M.; Fibiger, D. L.; Franchin, A.; Goldberger, L.; Harkins, C.; Jo, D. S.; Lee, B. H.; Lin, J. C.; McDonald, B. C.; McDuffie, E. E.; Middlebrook, A. M.; Moravek, A.; Murphy, J. G.; Neuman, A.; Thornton, J. A.; Veres, P. V.; Brown, S. S. Midlatitude Ozone Depletion and Air Quality Impacts from Industrial Halogen Emissions in the Great Salt Lake Basin. Environmental Science & Technology 2023, 57, 1870–1881.

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Hong, A. C.; Ulrich, T.; Thomson, E. S.; Trachsel, J.; Riche, F.; Murphy, J. G.; Donaldson, D. J.; Schneebeli, M.; Ammann, M.; Bartels-Rausch, T. Uptake of Hydrogen Peroxide from the Gas Phase to Grain Boundaries: A Source in Snow and Ice. Environmental Science & Technology 2023, 57, 11626–11633.

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Tao, Y.; VandenBoer, T.; Veres, P.; Warneke, C.; de Gouw, J.; Weber, R.; Markovic, M.; Zhao, Y.; Baker, K.; Kelly, J.; Murphy, J.; Young, C.; Roberts, J. Hydrogen Chloride (HCl) at Ground Sites during CalNex 2010 and Insight into Its Thermodynamic Properties. Journal of Geophysical Research: Atmospheres 2022, 127.

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Pai, S.; Heald, C.; Murphy, J. Exploring the Global Importance of Atmospheric Ammonia Oxidation. ACS Earth and Space Chemistry 2021, 5, 1674–1685. https://doi.org/10.1021/acsearthspacechem.1c00021.

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Tao, Y.; Liu, T.; Yang, X.; Murphy, J. Kinetics and Products of the Aqueous Phast Oxidation of Triethylamine by OH. ACS Earth and Space Chemistry 2021, 5, 1889–1895.

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Yang, X.; Tao, Y.; Murphy, J. Kinetics of the Oxidation of Ammonia and Amines with Hydroxyl Radicals in the Aqueous Phase. Environmental Science: Processes & Impacts 2021, 23, 1906–1913. https://doi.org/10.1039/D1EM00317H.

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Shi, Q.; Tao, Y.; Krechmer, J.; Heald, C.; Murphy, J.; Kroll, J.; Ye, Q. Laboratory Investigation of Renoxification from the Photolysis of Inorganic Particulate Nitrate. Environmental Science & Technology 2021, 55, 854–861.

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Tao, Y.; Murphy, J. Simple Framework to Quantify the Contributions from Different Factors Influencing Aerosol PH Based on NHx Phase-Partitioning Equilibrium. Environmental Science & Technology 2021, 55, 10310–10319. https://doi.org/10.1021/acs.est.1c03103.

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Kroll, J.; Heald, C.; Cappa, C.; Farmer, D.; Fry, J.; Murphy, J.; Steiner, A. The Complex Chemical Effects of COVID-19 Shutdowns on Air Quality. Nature Chemistry 2020, 12, 777–779.

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Croft, B.; Martin, R. V.; Leaitch, W. R.; Burkart, J.; Chang, R. Y.-W.; Collins, D. B.; Hayes, P. L.; Hodshire, A. L.; Huang, L.; Kodros, J. K.; others. Arctic Marine Secondary Organic Aerosol Contributes Significantly to Summertime Particle Size Distributions in the Canadian Arctic Archipelago. Atmospheric Chemistry and Physics 2019, 19, 2787–2812.

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Tevlin, A.; Murphy, J. Atmospheric Ammonia: Measurements, Modeling, and Chemistry–Climate Interactions. In Advances in Atmospheric Chemistry; 2019; Vol. 2, pp 1–82.

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McDuffie, E. E.; Womack, C.; Fibiger, D. L.; Dube, W. P.; Franchin, A.; Middlebrook, A.; Goldberger, L.; Lee, B. H.; Thornton, J. A.; Moravek, A.; Murphy, J.; Baasandorj, M.; Brown, S. S. On the Contribution of Nocturnal Heterogeneous Reactive Nitrogen Chemistry to Particulate Matter Formation during Wintertime Pollution Events in Northern Utah. Atmospheric Chemistry and Physics 2019, in press.

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Tao, Y.; Murphy, J. G. Evidence for the Importance of Semi-Volatile Organic Ammonium Salts in Ambient Particulate Matter. Environmental Science & Technology 2019, 53, 108–116. http://dx.doi.org/10.1021/acs.est.8b03800 .

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Irish, V. E.; Hanna, S. J.; Willis, M. D.; China, S.; Thomas, J. L.; Wentzell, J.; Cirisan, A.; Si, M.; Leaitch, W. R.; Murphy, J. G.; Abbatt, J.; Laskin, A.; Girard, E.; Bertram, A. K. Ice Nucleating Particles in the Marine Boundary Layer in the Canadian Arctic during Summer 2014. Atmospheric Chemistry and Physics 2019, 19, 1027–1039.

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Leslie, M.; Ridoli, M.; Murphy, J. G.; Borduas-Dedekind, N. Isocyanic Acid (HNCO) and Its Fate in the Atmosphere: A Review. Environmental Science: Processes and Impacts 2019, 21, 793–808. https://doi.org/DOI: 10.1039/C9EM00003H .

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Moravek, A.; Singh, S.; Pattey, E.; Pelletier, L.; Murphy, J. G. Measurements and Quality Control of Ammonia Eddy Covariance Fluxes: A New Strategy for High Frequency Attenuation Correction. Atmospheric Measurement Techniques 2019, 12, 6059–6078. https://doi.org/10.5194/amt-12-6059-2019.

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Tao, Y.; Murphy, J. G. The Mechanisms Responsible for the Interactions among Oxalate, PH and Fe Dissolution in PM2.5. ACS Earth and Space Chemistry 2019, in press. https://doi.org/10.1021/acsearthspacechem.9b00172.

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Abbatt, J. P. D. et al. New Insights into Aerosol and Climate in the Arctic. Atmospheric Chemistry and Physics 2019, 19, 2527–2560.

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Womack, C.; McDuffie, E.; Edwards, P.; Bares, R.; de Gouw, J.; Docherty, K.; Dube, W.; Fibiger, D.; Franchin, A.; Gilman, J.; Goldberger, L.; Lee, B.; Lin, J.; Long, R.; Middlebrook, A.; Millet, D.; Moravek, A.; Murphy, J.; Quinn, P.; Riedel, T.; Roberts, J.; Thornton, J.; Valin, L.; Veres, P.; Whitehill, A.; Wild, R.; Warneke, C.; Yuan, B.; Baasandorj, M.; Brown, S. An Odd Oxygen Framework for Wintertime Ammonium Nitrate Aerosol Pollution in Urban Areas: NOx and VOC Control as Mitigation Strategies. Geophysical Research Letters 2019.

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Tao, Y.; Murphy, J. G. The Sensitivity of PM2.5 Acidity to Meteorological Parameters and Chemical Composition Changes: 10-Year Records from Six Canadian Monitoring Sites. Atmospheric Chemistry and Physics 2019, in press.

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Hrdina, A. H. I.; Moravek, A.; Schwartz-Narbonne, H.; Murphy, J. G. Summertime Soil-Atmosphere Ammonia Exchange in the Colorado Rocky Mountain Front Range Pine Forest. Soil Systems 2019, 3(1).

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Pugliese, S. C.; Vogel, F.; Murphy, J. G.; Moran, M.; Stroud, C.; Ren, S.; Zhang, J.; Zheng, Q.; Worthy, D.; Huang, L.; Broquet, G. Towards Understanding the Variability in Source Contribution of CO2 Using High-Resolution Simulations of Atmospheric Δ13CO2 Signatures in the Greater Toronto Area, Canada. Atmospheric Environment 2019, 214.

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Moravek, A.; Murphy, J.; Hrdina, A.; Lin, J.; Pennell, C.; Franchin, A.; Middlebrook, A.; Fibiger, D.; Womack, C.; McDuffie, E.; Martin, R.; Moore, K.; Baasandorj, M.; Brown, S. Wintertime Spatial Distribution of Ammonia and Its Emission Sources in the Great Salt Lake Region. Atmospheric Chemistry and Physics Discussions 2019, in press.

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Franchin, A.; Fibiger, D. L.; Goldberger, L.; McDuffie, E. E.; Moravek, A.; Womack, C. C.; Crosman, E. T.; Docherty, K. S.; Dube, W. P.; Hoch, S. W.; Lee, B.; Long, R.; Murphy, J. G.; Thornton, J. A.; Brown, S.; Baasandorj, M.; Middlebrook, A. M. Airborne and Ground-Based Observations of Ammonium Nitrate Dominated Aerosols in a Shallow Boundary Layer during Intense Winter Pollution Episodes in Northern Utah. Atmospheric Chemistry and Physics 2018, 18, 17259–17276.

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Whaley, C. H.; Makar, P. A.; Shephard, M. W.; Zhang, L.; Zhang, J.; Zheng, Q.; Akingunola, A.; Wentworth, G. R.; Murphy, J. G.; Kharol, S. K.; Cady-Pereira, K. E. Contributions of Natural and Anthropogenic Sources to Ambient Ammonia in the Athabasca Oil Sands and North-Western Canada. Atmospheric Chemistry and Physics 2018, 18, 2011–2034.

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Mungall, E. L.; Abbatt, J. P.; Wentzell, J. J.; Wentworth, G. R.; Murphy, J. G.; Kunkel, D.; Gute, E.; Tarasick, D. W.; Sharma, S.; Cox, C. J.; Uttal, T.; Liggio, J. High Gas-Phase Mixing Ratios of Formic and Acetic Acid in the High Arctic. Atmospheric Chemistry and Physics 2018, 18, 10237–10254.

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Pugliese, S. C.; Murphy, J. G.; Vogel, F. R.; Moran, M. D.; Zhang, J.; Zheng, Q.; Stroud, C. A.; Ren, S.; Worthy, D.; Broquet, G. High-Resolution Quantification of Atmospheric CO2 Mixing Ratios in the Greater Toronto Area, Canada. Atmospheric Chemistry and Physics 2018, 18, 3387–3401.

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Petroff, A.; Murphy, J.; Thomas, S.; Geddes, J. Size-Resolved Aerosol Fluxes above a Temperate Broadleaf Forest. Atmospheric Environment 2018, 190, 359–375.

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Pugliese, S. C.; Murphy, J. G.; Vogel, F.; Worthy, D. Characterization of the δ 13 C Signatures of Anthropogenic CO 2 Emissions in the Greater Toronto Area, Canada. Applied Geochemistry 2017, 83, 171–180. https://doi.org/10.1016/j.apgeochem.2016.11.003.

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Zheng, T.; Chen, J.; He, L.; Arain, M. A.; Thomas, S. C.; Murphy, J. G.; Geddes, J. A.; Black, T. A. Inverting the Maximum Carboxylation Rate ( V Cmax ) from the Sunlit Leaf Photosynthesis Rate Derived from Measured Light Response Curves at Tower Flux Sites. Agricultural and Forest Meteorology 2017, 236, 48–66. https://doi.org/10.1016/j.agrformet.2017.01.008.

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Lonsdale, C. R.; Hegarty, J. D.; Cady-Pereira, K. E.; Alvarado, M. J.; Henze, D. K.; Turner, M. D.; Capps, S. L.; Nowak, J. B.; Neuman, J. A.; Middlebrook, A. M.; Bahreini, R.; Murphy, J. G.; Markovic, M. Z.; VandenBoer, T. C.; Russell, L. M.; Scarino, A. J. Modeling the Diurnal Variability of Agricultural Ammonia in Bakersfield, California, during the CalNex Campaign. Atmospheric Chemistry and Physics 2017, 17, 2721–2739. https://doi.org/10.5194/acp-17-2721-201710.5194/acp-17-2721-2017-supplement.

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Murphy, J. G.; Gregoire, P. K.; Tevlin, A. G.; Wentworth, G. R.; Ellis, R. A.; Markovic, M. Z.; VandenBoer, T. C. Observational Constraints on Particle Acidity Using Measurements and Modelling of Particles and Gases. Faraday Discussions 2017, 200, 379–395. https://doi.org/10.1039/C7FD00086C.

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Zaragoza, J.; Callahan, S.; McDuffie, E. E.; Kirkland, J.; Brophy, P.; Durrett, L.; Farmer, D. K.; Zhou, Y.; Sive, B.; Flocke, F.; Pfister, G.; Knote, C.; Tevlin, A.; Murphy, J.; Fischer, E. V. Observations of Acyl Peroxy Nitrates During the Front Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ). Journal of Geophysical Research: Atmospheres 2017, 122, 12,416-12,432. https://doi.org/10.1002/jgrd.v122.2210.1002/2017JD027337.

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Burkart, J.; Hodshire, A. L.; Mungall, E. L.; Pierce, J. R.; Collins, D. B.; Ladino, L. A.; Lee, A. K. Y.; Irish, V.; Wentzell, J. J. B.; Liggio, J.; Papakyriakou, T.; Murphy, J.; Abbatt, J. Organic Condensation and Particle Growth to CCN Sizes in the Summertime Marine Arctic Is Driven by Materials More Semivolatile Than at Continental Sites. Geophysical Research Letters 2017, 44, 10,725-10,734. https://doi.org/10.1002/2017GL075671.

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Tevlin, A. G.; Li, Y.; Collett, J. L.; McDuffie, E. E.; Fischer, E. V.; Murphy, J. G. Tall Tower Vertical Profiles and Diurnal Trends of Ammonia in the Colorado Front Range. Journal of Geophysical Research: Atmospheres 2017, 122, 12,468-12,487. https://doi.org/10.1002/jgrd.v122.2210.1002/2017JD026534.

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Kavassalis, S. C.; Murphy, J. G. Understanding Ozone-Meteorology Correlations: A Role for Dry Deposition. Geophysical Research Letters 2017, 44, 2922–2931. https://doi.org/10.1002/2016GL071791.

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Wentworth, G. R.; Murphy, J. G.; Croft, B.; Martin, R. V.; Pierce, J. R.; Côté, J.-S.; Courchesne, I.; Tremblay, J.-É.; Gagnon, J.; Thomas, J. L.; Sharma, S.; Toom-Sauntry, D.; Chivulescu, A.; Levasseur, M.; Abbatt, J. P. D. Ammonia in the Summertime Arctic Marine Boundary Layer: Sources, Sinks, and Implications. Atmospheric Chemistry and Physics 2016, 16, 1937–1953. https://doi.org/10.5194/acp-16-1937-201610.5194/acp-16-1937-2016-supplement.

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Croft, B.; Wentworth, G. R.; Martin, R. V.; Leaitch, W. R.; Murphy, J. G.; Murphy, B. N.; Kodros, J. K.; Abbatt, J. P. D.; Pierce, J. R. Contribution of Arctic Seabird-Colony Ammonia to Atmospheric Particles and Cloud-Albedo Radiative Effect. Nature Communications 2016, 7, 13444. https://doi.org/10.1038/ncomms13444.

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Mungall, E. L.; Croft, B.; Lizotte, M.; Thomas, J. L.; Murphy, J. G.; Levasseur, M.; Martin, R. V.; Wentzell, J. J. B.; Liggio, J.; Abbatt, J. P. D. Dimethyl Sulfide in the Summertime Arctic Atmosphere: Measurements and Source Sensitivity Simulations. Atmospheric Chemistry and Physics 2016, 16, 6665–6680. https://doi.org/10.5194/acp-16-6665-201610.5194/acp-16-6665-2016-supplement.

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Borduas, N.; Murphy, J. G.; Wang, C.; da Silva, G.; Abbatt, J. P. D. Gas Phase Oxidation of Nicotine by OH Radicals: Kinetics, Mechanisms, and Formation of HNCO. Environmental Science & Technology Letters 2016, 3, 327–331. https://doi.org/10.1021/acs.estlett.6b00231.

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Borduas, N.; Abbatt, J. P. D.; Murphy, J. G.; So, S.; da Silva, G. Gas-Phase Mechanisms of the Reactions of Reduced Organic Nitrogen Compounds with OH Radicals. Environmental Science & Technology 2016, 50, 11723–11734. https://doi.org/10.1021/acs.est.6b03797.

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McDuffie, E. E.; Edwards, P. M.; Gilman, J. B.; Lerner, B. M.; Dubé, W. P.; Trainer, M.; Wolfe, D. E.; Angevine, W. M.; deGouw, J.; Williams, E. J.; Tevlin, A. G.; Murphy, J. G.; Fischer, E. V.; McKeen, S.; Ryerson, T. B.; Peischl, J.; Holloway, J. S.; Aikin, K.; Langford, A. O.; Senff, C. J.; Alvarez, R. J.; Hall, S. R.; Ullmann, K.; Lantz, K. O.; Brown, S. S. Influence of Oil and Gas Emissions on Summertime Ozone in the Colorado Northern Front Range. Journal of Geophysical Research: Atmospheres 2016, 121, 8712–8729. https://doi.org/10.1002/jgrd.v121.1410.1002/2016JD025265.

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Morenz, K. J.; Shi, Q.; Murphy, J. G.; Donaldson, D. J. Nitrate Photolysis in Salty Snow. The Journal of Physical Chemistry A 2016, 120, 7902–7908. https://doi.org/10.1021/acs.jpca.6b06685.

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Wentworth, G. R.; Murphy, J. G.; Benedict, K. B.; Bangs, E. J.; Collett Jr., J. L. The Role of Dew as a Night-Time Reservoir and Morning Source for Atmospheric Ammonia. Atmospheric Chemistry and Physics 2016, 16, 7435–7449. https://doi.org/10.5194/acp-16-7435-201610.5194/acp-16-7435-2016-supplement.

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Borduas, N.; Place, B.; Wentworth, G. R.; Abbatt, J. P. D.; Murphy, J. G. Solubility and Reactivity of HNCO in Water: Insights into HNCO’s Fate in the Atmosphere. Atmospheric Chemistry and Physics 2016, 16, 703–714. https://doi.org/10.5194/acp-16-703-2016.

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Pusede, S. E.; VandenBoer, T. C.; Murphy, J. G.; Markovic, M. Z.; Young, C. J.; Veres, P. R.; Roberts, J. M.; Washenfelder, R. A.; Brown, S. S.; Ren, X.; Tsai, C.; Stutz, J.; Brune, W. H.; Browne, E. C.; Wooldridge, P. J.; Graham, A. R.; Weber, R.; Goldstein, A. H.; Dusanter, S.; Griffith, S. M.; Stevens, P. S.; Lefer, B. L.; Cohen, R. C. An Atmospheric Constraint on the NO ₂ Dependence of Daytime Near-Surface Nitrous Acid (HONO). Environmental Science & Technology 2015, 49, 12774–12781. https://doi.org/10.1021/acs.est.5b02511.

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Kroll, J. H.; Cross, E. S.; Hunter, J. F.; Pai, S.; Wallace, L. M. M.; Croteau, P. L.; Jayne, J. T.; Worsnop, D. R.; Heald, C. L.; Murphy, J. G.; Frankel, S. L. Atmospheric Evolution of Sulfur Emissions from Kı̅lauea: Real-Time Measurements of Oxidation, Dilution, and Neutralization within a Volcanic Plume. Environmental Science & Technology 2015, 49, 4129–4137. https://doi.org/10.1021/es506119x.

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Borduas, N.; da Silva, G.; Murphy, J. G.; Abbatt, J. P. D. Experimental and Theoretical Understanding of the Gas Phase Oxidation of Atmospheric Amides with OH Radicals: Kinetics, Products, and Mechanisms. The Journal of Physical Chemistry A 2015, 119, 4298–4308. https://doi.org/10.1021/jp503759f.

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Wentworth, G. R.; Murphy, J. G.; Sills, D. M. L. Impact of Lake Breezes on Ozone and Nitrogen Oxides in the Greater Toronto Area. Atmospheric Environment 2015, 109, 52–60. https://doi.org/10.1016/j.atmosenv.2015.03.002.

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VandenBoer, T. C.; Young, C. J.; Talukdar, R. K.; Markovic, M. Z.; Brown, S. S.; Roberts, J. M.; Murphy, J. G. Nocturnal Loss and Daytime Source of Nitrous Acid through Reactive Uptake and Displacement. Nature Geoscience 2015, 8, 55–60. https://doi.org/10.1038/ngeo2298.

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Gentner, D. R.; Ford, T. B.; Guha, A.; Boulanger, K.; Brioude, J.; Angevine, W. M.; de Gouw, J. A.; Warneke, C.; Gilman, J. B.; Ryerson, T. B.; Peischl, J.; Meinardi, S.; Blake, D. R.; Atlas, E.; Lonneman, W. A.; Kleindienst, T. E.; Beaver, M. R.; Clair, J. M. St.; Wennberg, P. O.; VandenBoer, T. C.; Markovic, M. Z.; Murphy, J. G.; Harley, R. A.; Goldstein, A. H. Emissions of Organic Carbon and Methane from Petroleum and Dairy Operations in California’s San Joaquin Valley. Atmospheric Chemistry and Physics 2014, 14, 4955–4978. https://doi.org/10.5194/acp-14-4955-201410.5194/acp-14-4955-2014-supplement.

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VandenBoer, T. C.; Markovic, M. Z.; Sanders, J. E.; Ren, X.; Pusede, S. E.; Browne, E. C.; Cohen, R. C.; Zhang, L.; Thomas, J.; Brune, W. H.; Murphy, J. G. Evidence for a Nitrous Acid (HONO) Reservoir at the Ground Surface in Bakersfield, CA, during CalNex 2010. Journal of Geophysical Research: Atmospheres 2014, 119, 9093–9106. https://doi.org/10.1002/2013JD020971.

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Kelly, J. T.; Baker, K. R.; Nowak, J. B.; Murphy, J. G.; Markovic, M. Z.; VandenBoer, T. C.; Ellis, R. A.; Neuman, J. A.; Weber, R. J.; Roberts, J. M.; Veres, P. R.; de Gouw, J. A.; Beaver, M. R.; Newman, S.; Misenis, C. Fine-Scale Simulation of Ammonium and Nitrate over the South Coast Air Basin and San Joaquin Valley of California during CalNex-2010. Journal of Geophysical Research: Atmospheres 2014, 119, 3600–3614. https://doi.org/10.1002/2013JD021290.

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Pugliese, S. C.; Murphy, J. G.; Geddes, J. A.; Wang, J. M. The Impacts of Precursor Reduction and Meteorology on Ground-Level Ozone in the Greater Toronto Area. Atmospheric Chemistry and Physics 2014, 14, 8197–8207. https://doi.org/10.5194/acp-14-8197-2014.

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Marais, E. A.; Jacob, D. J.; Guenther, A.; Chance, K.; Kurosu, T. P.; Murphy, J. G.; Reeves, C. E.; Pye, H. O. T. Improved Model of Isoprene Emissions in Africa Using Ozone Monitoring Instrument (OMI) Satellite Observations of Formaldehyde: Implications for Oxidants and Particulate Matter. Atmospheric Chemistry and Physics 2014, 14, 7693–7703. https://doi.org/10.5194/acp-14-7693-2014.

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Schiferl, L. D.; Heald, C. L.; Nowak, J. B.; Holloway, J. S.; Neuman, J. A.; Bahreini, R.; Pollack, I. B.; Ryerson, T. B.; Wiedinmyer, C.; Murphy, J. G. An Investigation of Ammonia and Inorganic Particulate Matter in California during the CalNex Campaign. Journal of Geophysical Research: Atmospheres 2014, 119, 1883–1902. https://doi.org/10.1002/2013JD020765.

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Markovic, M. Z.; VandenBoer, T. C.; Baker, K. R.; Kelly, J. T.; Murphy, J. G. Measurements and Modeling of the Inorganic Chemical Composition of Fine Particulate Matter and Associated Precursor Gases in California’s San Joaquin Valley during CalNex 2010. Journal of Geophysical Research: Atmospheres 2014, 119, 6853–6866. https://doi.org/10.1002/2013JD021408.

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Geddes, J. A.; Murphy, J. G.; Schurman, J.; Petroff, A.; Thomas, S. C. Net Ecosystem Exchange of an Uneven-Aged Managed Forest in Central Ontario, and the Impact of a Spring Heat Wave Event. Agricultural and Forest Meteorology 2014, 198–199, 105–115. https://doi.org/10.1016/j.agrformet.2014.08.008.

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Geddes, J. A.; Murphy, J. G. Observations of Reactive Nitrogen Oxide Fluxes by Eddy Covariance above Two Midlatitude North American Mixed Hardwood Forests. Atmospheric Chemistry and Physics 2014, 14, 2939–2957. https://doi.org/10.5194/acp-14-2939-2014.

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Wentworth, G. R.; Murphy, J. G.; Gregoire, P. K.; Cheyne, C. A. L.; Tevlin, A. G.; Hems, R. Soil-Atmosphere Exchange of Ammonia in a Non-Fertilized Grassland: Measured Emission Potentials and Inferred Fluxes. Biogeosciences Discussions 2014, 11, 7541–7574. https://doi.org/10.5194/bgd-11-7541-2014.

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Borduas, N.; Abbatt, J. P. D.; Murphy, J. G. Gas Phase Oxidation of Monoethanolamine (MEA) with OH Radical and Ozone: Kinetics, Products, and Particles. Environmental Science & Technology 2013, 47, 6377–6383. https://doi.org/10.1021/es401282j.

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Ensberg, J. J.; Craven, J. S.; Metcalf, A. R.; Allan, J. D.; Angevine, W. M.; Bahreini, R.; Brioude, J.; Cai, C.; Coe, H.; de Gouw, J. A.; Ellis, R. A.; Flynn, J. H.; Haman, C. L.; Hayes, P. L.; Jimenez, J. L.; Lefer, B. L.; Middlebrook, A. M.; Murphy, J. G.; Neuman, J. A.; Nowak, J. B.; Roberts, J. M.; Stutz, J.; Taylor, J. W.; Veres, P. R.; Walker, J. M.; Seinfeld, J. H. Inorganic and Black Carbon Aerosols in the Los Angeles Basin during CalNex. Journal of Geophysical Research: Atmospheres 2013, 118, 1777–1803. https://doi.org/10.1029/2012JD018136.

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Zhao, Y.; Kreisberg, N. M.; Worton, D. R.; Isaacman, G.; Weber, R. J.; Liu, S.; Day, D. A.; Russell, L. M.; Markovic, M. Z.; VandenBoer, T. C.; Murphy, J. G.; Hering, S. V.; Goldstein, A. H. Insights into Secondary Organic Aerosol Formation Mechanisms from Measured Gas/Particle Partitioning of Specific Organic Tracer Compounds. Environmental Science & Technology 2013, 47, 3781–3787. https://doi.org/10.1021/es304587x.

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VandenBoer, T. C.; Brown, S. S.; Murphy, J. G.; Keene, W. C.; Young, C. J.; Pszenny, A. A. P.; Kim, S.; Warneke, C.; de Gouw, J. A.; Maben, J. R.; Wagner, N. L.; Riedel, T. P.; Thornton, J. A.; Wolfe, D. E.; Dubé, W. P.; Öztürk, F.; Brock, C. A.; Grossberg, N.; Lefer, B.; Lerner, B.; Middlebrook, A. M.; Roberts, J. M. Understanding the Role of the Ground Surface in HONO Vertical Structure: High Resolution Vertical Profiles during NACHTT-11. Journal of Geophysical Research: Atmospheres 2013, 118, 10,155-10,171. https://doi.org/10.1002/jgrd.50721.

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Geddes, J. A.; Murphy, J. G.; O’Brien, J. M.; Celarier, E. A. Biases in Long-Term NO2 Averages Inferred from Satellite Observations Due to Cloud Selection Criteria. Remote Sensing of Environment 2012, 124, 210–216. https://doi.org/10.1016/j.rse.2012.05.008.

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Markovic, M. Z.; VandenBoer, T. C.; Murphy, J. G. Characterization and Optimization of an Online System for the Simultaneous Measurement of Atmospheric Water-Soluble Constituents in the Gas and Particle Phases. Journal of Environmental Monitoring 2012, 14, 1872. https://doi.org/10.1039/c2em00004k.

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Ahlm, L.; Liu, S.; Day, D. A.; Russell, L. M.; Weber, R.; Gentner, D. R.; Goldstein, A. H.; DiGangi, J. P.; Henry, S. B.; Keutsch, F. N.; VandenBoer, T. C.; Markovic, M. Z.; Murphy, J. G.; Ren, X.; Scheller, S. Formation and Growth of Ultrafine Particles from Secondary Sources in Bakersfield, California. Journal of Geophysical Research: Atmospheres 2012, 117, n/a-n/a. https://doi.org/10.1029/2011JD017144.

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Liu, J.; Zhang, X.; Parker, E. T.; Veres, P. R.; Roberts, J. M.; de Gouw, J. A.; Hayes, P. L.; Jimenez, J. L.; Murphy, J. G.; Ellis, R. A.; Huey, L. G.; Weber, R. J. On the Gas-Particle Partitioning of Soluble Organic Aerosol in Two Urban Atmospheres with Contrasting Emissions: 2. Gas and Particle Phase Formic Acid. Journal of Geophysical Research: Atmospheres 2012, 117, n/a-n/a. https://doi.org/10.1029/2012JD017912.

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Ahrens, L.; Harner, T.; Shoeib, M.; Lane, D. A.; Murphy, J. G. Improved Characterization of Gas–Particle Partitioning for Per- and Polyfluoroalkyl Substances in the Atmosphere Using Annular Diffusion Denuder Samplers. Environmental Science & Technology 2012, 46, 7199–7206. https://doi.org/10.1021/es300898s.

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VandenBoer, T. C.; Markovic, M. Z.; Petroff, A.; Czar, M. F.; Borduas, N.; Murphy, J. G. Ion Chromatographic Separation and Quantitation of Alkyl Methylamines and Ethylamines in Atmospheric Gas and Particulate Matter Using Preconcentration and Suppressed Conductivity Detection. Journal of Chromatography A 2012, 1252, 74–83. https://doi.org/10.1016/j.chroma.2012.06.062.

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Marais, E. A.; Jacob, D. J.; Kurosu, T. P.; Chance, K.; Murphy, J. G.; Reeves, C.; Mills, G.; Casadio, S.; Millet, D. B.; Barkley, M. P.; Paulot, F.; Mao, J. Isoprene Emissions in Africa Inferred from OMI Observations of Formaldehyde Columns. Atmospheric Chemistry and Physics 2012, 12, 6219–6235. https://doi.org/10.5194/acp-12-6219-2012.

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Wang, J. M.; Murphy, J. G.; Geddes, J. A.; Winsborough, C. L.; Basiliko, N.; Thomas, S. C. Methane Fluxes Measured by Eddy Covariance and Static Chamber Techniques at a Temperate Forest in Central Ontario, Canada. Biogeosciences Discussions 2012, 9, 17743–17774. https://doi.org/10.5194/bgd-9-17743-201210.5194/bgd-9-17743-2012-supplement.

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Mari, C. H.; Reeves, C. E.; Law, K. S.; Ancellet, G.; Andrés-Hernández, M. D.; Barret, B.; Bechara, J.; Borbon, A.; Bouarar, I.; Cairo, F.; Commane, R.; Delon, C.; Evans, M. J.; Fierli, F.; Floquet, C.; Galy-Lacaux, C.; Heard, D. E.; Homan, C. D.; Ingham, T.; Larsen, N.; Lewis, A. C.; Liousse, C.; Murphy, J. G.; Orlandi, E.; Oram, D. E.; Saunois, M.; Serça, D.; Stewart, D. J.; Stone, D.; Thouret, V.; Velthoven, P. van; Williams, J. E. Atmospheric Composition of West Africa: Highlights from the AMMA International Program. Atmospheric Science Letters 2011, 12, 13–18. https://doi.org/10.1002/asl.v12.110.1002/asl.289.

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Markovic, M. Z.; Hayden, K. L.; Murphy, J. G.; Makar, P. A.; Ellis, R. A.; Chang, R. Y.-W.; Slowik, J. G.; Mihele, C.; Brook, J. The Effect of Meteorological and Chemical Factors on the Agreement between Observations and Predictions of Fine Aerosol Composition in Southwestern Ontario during BAQS-Met. Atmospheric Chemistry and Physics 2011, 11, 3195–3210. https://doi.org/10.5194/acp-11-3195-2011.

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Ellis, R. A.; Murphy, J. G.; Markovic, M. Z.; VandenBoer, T. C.; Makar, P. A.; Brook, J.; Mihele, C. The Influence of Gas-Particle Partitioning and Surface-Atmosphere Exchange on Ammonia during BAQS-Met. Atmospheric Chemistry and Physics 2011, 11, 133–145. https://doi.org/10.5194/acp-11-133-2011.

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VandenBoer, T. C.; Petroff, A.; Markovic, M. Z.; Murphy, J. G. Size Distribution of Alkyl Amines in Continental Particulate Matter and Their Online Detection in the Gas and Particle Phase. Atmospheric Chemistry and Physics 2011, 11, 4319–4332. https://doi.org/10.5194/acp-11-4319-2011.

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Ellis, R. A.; Murphy, J. G.; Pattey, E.; van Haarlem, R.; O’Brien, J. M.; Herndon, S. C. Characterizing a Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for Measurements of Atmospheric Ammonia. Atmospheric Measurement Techniques 2010, 3, 397–406. https://doi.org/10.5194/amt-3-397-2010.

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Reeves, C. E.; Formenti, P.; Afif, C.; Ancellet, G.; Attié, J.-L.; Bechara, J.; Borbon, A.; Cairo, F.; Coe, H.; Crumeyrolle, S.; Fierli, F.; Flamant, C.; Gomes, L.; Hamburger, T.; Jambert, C.; Law, K. S.; Mari, C.; Jones, R. L.; Matsuki, A.; Mead, M. I.; Methven, J.; Mills, G. P.; Minikin, A.; Murphy, J. G.; Nielsen, J. K.; Oram, D. E.; Parker, D. J.; Richter, A.; Schlager, H.; Schwarzenboeck, A.; Thouret, V. Chemical and Aerosol Characterisation of the Troposphere over West Africa during the Monsoon Period as Part of AMMA. Atmospheric Chemistry and Physics 2010, 10, 7575–7601. https://doi.org/10.5194/acp-10-7575-201010.5194/acp-10-7575-2010-supplement.

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von Bobrutzki, K.; Braban, C. F.; Famulari, D.; Jones, S. K.; Blackall, T.; Smith, T. E. L.; Blom, M.; Coe, H.; Gallagher, M.; Ghalaieny, M.; McGillen, M. R.; Percival, C. J.; Whitehead, J. D.; Ellis, R.; Murphy, J.; Mohacsi, A.; Pogany, A.; Junninen, H.; Rantanen, S.; Sutton, M. A.; Nemitz, E. Field Inter-Comparison of Eleven Atmospheric Ammonia Measurement Techniques. Atmospheric Measurement Techniques 2010, 3, 91–112. https://doi.org/10.5194/amt-3-91-201010.5194/amt-3-91-2010-supplement.

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Stone, D.; Evans, M. J.; Commane, R.; Ingham, T.; Floquet, C. F. A.; McQuaid, J. B.; Brookes, D. M.; Monks, P. S.; Purvis, R.; Hamilton, J. F.; Hopkins, J.; Lee, J.; Lewis, A. C.; Stewart, D.; Murphy, J. G.; Mills, G.; Oram, D.; Reeves, C. E.; Heard, D. E. HO_x Observations over West Africa during AMMA: Impact of Isoprene and NO_x. Atmospheric Chemistry and Physics 2010, 10, 9415–9429. https://doi.org/10.5194/acp-10-9415-2010.

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Garcia-Carreras, L.; Parker, D. J.; Taylor, C. M.; Reeves, C. E.; Murphy, J. G. Impact of Mesoscale Vegetation Heterogeneities on the Dynamical and Thermodynamic Properties of the Planetary Boundary Layer. Journal of Geophysical Research 2010, 115. https://doi.org/10.1029/2009JD012811.

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Ferreira, J.; Reeves, C. E.; Murphy, J. G.; Garcia-Carreras, L.; Parker, D. J.; Oram, D. E. Isoprene Emissions Modelling for West Africa: MEGAN Model Evaluation and Sensitivity Analysis. Atmospheric Chemistry and Physics 2010, 10, 8453–8467. https://doi.org/10.5194/acp-10-8453-2010.

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Murphy, J. G.; Oram, D. E.; Reeves, C. E. Measurements of Volatile Organic Compounds over West Africa. Atmospheric Chemistry and Physics 2010, 10, 5281–5294. https://doi.org/10.5194/acp-10-5281-2010.

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Wooldridge, P. J.; Perring, A. E.; Bertram, T. H.; Flocke, F. M.; Roberts, J. M.; Singh, H. B.; Huey, L. G.; Thornton, J. A.; Wolfe, G. M.; Murphy, J. G.; Fry, J. L.; Rollins, A. W.; LaFranchi, B. W.; Cohen, R. C. Total Peroxy Nitrates (ΣPNs) in the Atmosphere: The Thermal Dissociation-Laser Induced Fluorescence (TD-LIF) Technique and Comparisons to Speciated PAN Measurements. Atmospheric Measurement Techniques 2010, 3, 593–607. https://doi.org/10.5194/amt-3-593-2010.

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Saunois, M.; Reeves, C. E.; Mari, C. H.; Murphy, J. G.; Stewart, D. J.; Mills, G. P.; Oram, D. E.; Purvis, R. M. Factors Controlling the Distribution of Ozone in the West African Lower Troposphere during the AMMA (African Monsoon Multidisciplinary Analysis) Wet Season Campaign. Atmospheric Chemistry and Physics 2009, 9, 6135–6155. https://doi.org/10.5194/acp-9-6135-2009.

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Geddes, J. A.; Murphy, J. G.; Wang, D. K. Long Term Changes in Nitrogen Oxides and Volatile Organic Compounds in Toronto and the Challenges Facing Local Ozone Control. Atmospheric Environment 2009, 43, 3407–3415. https://doi.org/10.1016/j.atmosenv.2009.03.053.

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Capes, G.; Murphy, J. G.; Reeves, C. E.; McQuaid, J. B.; Hamilton, J. F.; Hopkins, J. R.; Crosier, J.; Williams, P. I.; Coe, H. Secondary Organic Aerosol from Biogenic VOCs over West Africa during AMMA. Atmospheric Chemistry and Physics 2009, 9, 3841–3850. https://doi.org/10.5194/acp-9-3841-2009.

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Murphy, J. G.; Day, D. A.; Cleary, P. A.; Wooldridge, P. J.; Millet, D. B.; Goldstein, A. H.; Cohen, R. C. The Weekend Effect within and Downwind of Sacramento – Part 1: Observations of Ozone, Nitrogen Oxides, and VOC Reactivity. Atmospheric Chemistry and Physics 2007, 7, 5327–5339. https://doi.org/10.5194/acp-7-5327-2007.

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Boxe, C. S.; Colussi, A. J.; Hoffmann, M. R.; Perez, I. M.; Murphy, J. G.; Cohen, R. C. Kinetics of NO and NO ₂ Evolution from Illuminated Frozen Nitrate Solutions. The Journal of Physical Chemistry A 2006, 110, 3578–3583. https://doi.org/10.1021/jp055037q.

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Murphy, J. G.; Day, D. A.; Cleary, P. A.; Wooldridge, P. J.; Cohen, R. C. Observations of the Diurnal and Seasonal Trends in Nitrogen Oxides in the Western Sierra Nevada. Atmospheric Chemistry and Physics 2006, 6, 5321–5338. https://doi.org/10.5194/acp-6-5321-2006.

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Boxe, C. S.; Colussi, A. J.; Hoffmann, M. R.; Murphy, J. G.; Wooldridge, P. J.; Bertram, T. H.; Cohen, R. C. Photochemical Production and Release of Gaseous NO ₂ from Nitrate-Doped Water Ice. The Journal of Physical Chemistry A 2005, 109, 8520–8525. https://doi.org/10.1021/jp0518815.

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Murphy, J. G.; Thornton, J. A.; Wooldridge, P. J.; Day, D. A.; Rosen, R. S.; Cantrell, C.; Shetter, R. E.; Lefer, B.; Cohen, R. C. Measurements of the Sum of HO₂NO₂ and CH₃O₂NO₂ in the Remote Troposphere. Atmospheric Chemistry and Physics 2004, 4, 377–384. https://doi.org/10.5194/acp-4-377-2004.

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Cohen, R. C.; Murphy, J. G. Photochemistry of NO ₂ in Earth’s Stratosphere: Constraints from Observations. Chemical Reviews 2003, 103, 4985–4998. https://doi.org/10.1021/cr020647x.

Research Publications