Scientific Interests: atmospheric chemistry, air pollution, climate change

2002-2004         Postdoctoral Fellow, Department of Chemistry, University of Toronto                                                         
2002                  Ph.D., Department of Chemistry, University of California, Berkeley        
1996                  B.A., Dartmouth College; Magna Cum Laude, Honors in Chemistry

Co-Editor of Atmospheric Chemistry and Physics
PNNL LDRD Aerosol Initiative Review Panel
PNNL EMSL Recapitalization Workshop Panel
Co-Chair Atmospheric Chemistry Session Spring 2008 ACS Meeting
Co-Chair Tropospheric Heterogeneous Chemistry and Aerosol Phase Transitions Session Fall 2006 AGU Meeting
Co-Chair Tropospheric Chemistry Session Spring 2004 AGU Meeting

Science Team Member of Following Field Campaigns: SOS99, TOPSE 2000, TEXAQS 2000, INTEX-B 2006, BEARPEX 2007, POLARCAT (ICEALOT) 2008, BEARPEX 2009

Member of Following Professional Societies: American Geophysical Union, European Geosciences Union, American Chemical Society

2004 - current      Courses Taught: Global Atmospheric Chemistry, Fundatmentals of Atmospheric Chemistry, Atmospheric                                                                                         Aerosols and Multiphase Chemistry, Climate and Climate Change
                        Research Advising (cumulative): 4 undergraduates, 4 graduate students, and 3 postdoctoral fellows

Bertram, T. H. and J. A. Thornton* (est. submission 2009), A novel method for the direct, in situ, quantification of the heterogeneous and homogeneous reactivity of nocturnal nitrogen oxide reservoirs (NO₃ and N₂O₅), manuscript in progress.

Bertram, T. H., J. A. Thornton*, A. M. Middlebrook, R. Bahreini, C. A. Brock, P. K. Quinn, T. Bates, D. Coffman, B. Lerner, and E. J. Williams (est. submission 2009), The first, direct, in situ, measurement of the N₂O₅ reaction probability on ambient aerosol particles. Experiments completed, manuscript in progress.

Kercher, J. P., T. Reidel, and J. A. Thornton* (est. submission 2008), Halogen activation by N₂O₅ reactions on sea ice surfaces: temperature dependent yields of ClNO₂, BrNO₂, BrCl, and Br₂, manuscript in progress.

Kercher, J. P., T. Reidel, T. H. Bertram, G. M. Wolfe, and J. A. Thornton* (est submission 2008), Halogen activation by N₂O₅: a chemical ionization mass spectrometry method for simultaneous, in situ, detection of N₂O₅ and ClNO₂ at parts per trillion levels, manuscript in progress.

  Wolfe, G. M., R. Yatavelli, J. A. Thornton*, M. McKay, A. H. Goldstein, B. LaFranchi, R. C. Cohen, W. H. Brune, Z. Chen, and X. Ren (2008), Eddy covariance flux measurements of acyl peroxy nitrates above a Ponderosa pine forest, Atmospheric Chemistry and Physics Discussions, 8, 17495-17548. (submitted, under peer-review)

Reidmiller, D.*, D. A. Jaffe, D. Chand, S. Strode, P. Swartzendruber, G. Wolfe, and J. A. Thornton (2008), Interannual variability of long-range transport as seen at the Mt. Bachelor Observatory in central Oregon, Atmospheric Chemistry and Physics Discussions, 8, 16335-16379. (submitted, under peer-review)

Song, C., R. A. Zaveri, M. L. Alexander, J. A. Thornton, S. Madronich, J. V. Ortega, A. Zelenyuk, X. Y. Yu, A. Laskin, and D. A. Maughan (2007), Effect of hydrophobic primary organic aerosols on secondary organic aerosol formation from ozonolysis of alpha-pinene, Geophysical Research Letters, 34(20), L20803

Thornton, J. A.,* L. Jaegle, and V. F. McNeill (2008), Assessing known pathways for HO₂ loss in aqueous atmospheric aerosols: Regional and global impacts on tropospheric oxidants, Journal Of Geophysical Research-Atmospheres, 113(D5), D05303.

Wolfe, G. M., J. A. Thornton,* V. F. McNeill, D. A. Jaffe, D. Reidmiller, D. Chand, J. Smith, P. Swartzendruber, F. Flocke, and W. Zheng (2007), Influence of trans-Pacific pollution transport on acyl peroxy nitrate abundances and speciation at Mount Bachelor Observatory during INTEX-B, Atmospheric Chemistry And Physics, 7(20), 5309-5325 

McNeill, V.F.; G.M. Wolfe; J.A. Thornton* Oxidation of Oleate in Sub-Micron Aqueous Salt Particles: Evidence of a Surface Process. Journal Of Physical Chemistry A, 111, 1073-1083, 2007.

 McNeill, V.F., J. Patterson, G.M. Wolfe, and J.A. Thornton*, The effect of varying levels of surfactant on the reactive uptake of N₂O₅ to aqueous aerosol, Atmospheric Chemistry And Physics, 6, 1635-1644, 2006.

Thornton, J.A.*, Abbatt, J.P.D., N₂O₅ reaction on submicron sea salt aerosol: Kinetics, products, and the effect of surface active organics, Journal Of Physical Chemistry A, 109, 10004-10012, 2005.

Thornton, J.A.*, Abbatt, J.P.D., Measurements of HO₂ uptake to aqueous aerosol: Mass accommodation coefficients and net reactive loss, Journal Of Geophysical Research-Atmospheres, 110, D08309, 2005.

Kwamena, N.O.A., J.A. Thornton, and J.P.D. Abbatt, Kinetics of surface-bound benzo[a]pyrene and ozone on solid organic and salt aerosols, Journal Of Physical Chemistry A, 108(52), 11626-11634, 2004.

Murphy, J.G., J.A. Thornton, P.J. Wooldridge, D.A. Day, R.S. Rosen, C. Cantrell, R.E. Shetter, B. Lefer, and R.C. Cohen, Measurements of the sum of HO₂NO₂ and CH₃O₂NO₂ in the remote troposphere, Atmospheric Chemistry and Physics, 4, 377-384, 2004.

Rosen, R.S., E.C. Wood, P.J. Wooldridge, J.A. Thornton, D.A. Day, W. Kuster, E.J. Williams, B.T. Jobson, and R.C. Cohen, Observations of total alkyl nitrates during Texas Air Quality Study 2000: Implications for O₃ and alkyl nitrate photochemistry, Journal of Geophysical Research-Atmospheres, 109 (D7), 2004.

Thornton, J.A.*, C.F. Braban, and J.P.D. Abbatt, N₂O₅ hydrolysis on sub-micron organic aerosols: the effect of relative humidity, particle phase, and particle size, Physical Chemistry Chemical Physics, 5 (20), 4593-4603, 2003.

Thornton, J.A., P.J. Wooldridge, R.C. Cohen, E.J. Williams, D. Hereid, F.C. Fehsenfeld, J. Stutz, and B. Alicke, Comparisons of in situ and long path measurements of NO₂ in urban plumes, Journal of Geophysical Research-Atmospheres, 108 (D16), 2003

Thornton, J.A., P.J. Wooldridge, R.C. Cohen, M. Martinez, H. Harder, W.H. Brune, E.J. Williams, S.R. Hall, R.E. Shetter, B.P. Wert, B. Henry, A. Fried, and F.E. Fehsenfeld, Observations of ozone production rates as a function of NO_x abundances and HO_x production rates in the Nashville urban plume, Journal of Geophysical Research, 107 (D12), 2002.

Day, D.A., P.J. Wooldridge, M.B. Dillon, J.A. Thornton, R.C. Cohen, A thermal dissociation – laser induced fluorescence instrument for in situ detection of NO₂, peroxy(acyl)nitrates, alkylnitrates, and HNO₃, Journal of Geophysical Research, 107 (D6), 2002.

Thornton, J.A., P.J. Wooldridge, and R.C. Cohen, Appendix D: Laser-induced fluorescence detection of NO₂, in Recommended Methods for Ambient Air Monitoring of NO, NO₂, NO_y, and Individual NO_z Species, edited by W.A. McClenny, pp. 62-68, Environmental Protection Agency, Research Triangle Park, 2001.