Select Publications

61. Lin, M., A. M. Fiore, L. W. Horowitz, O. R. Cooper, V. Naik, J. Holloway, B. J. Johnson, A. Middlebrook, S. J. Oltmans, I. B. Pollack, T. B. Ryerson, J. X. Warner, C. Wiedinmyer, J. Wilson, B. Wyman (2012), Transport of Asian ozone pollution into surface air over the western United States in spring, J. Geophys. Res., 117, D00V07, doi:10.1029/2011JD016961.

60. Langford, A. O., J. Brioude, O. R. Cooper, C. J. Senff, R. J. Alvarez II, R. M. Hardesty, B. J. Johnson, and S. J. Oltmans (2012), Stratospheric influence on surface ozone in the Los Angeles area during late spring and early summer of 2010, J. Geophys. Res., 117, D00V06, doi:10.1029/2011JD016766.

59. Roiger, A., Schlager, H., Schäfler, A., Huntrieser, H., Scheibe, M., Aufmhoff, H., Cooper, O. R., Sodemann, H., Stohl, A., Burkhart, J., Lazzara, M., Schiller, C., Law, K. S., and Arnold, F. (2011), In-situ observation of Asian pollution transported into the Arctic lowermost stratosphere, Atmos. Chem. Phys., 11, 10975-10994, doi:10.5194/acp-11-10975-2011

58. Cooper, O. R., S. J. Oltmans, B. J. Johnson, J. Brioude, W. Angevine, M. Trainer, D. D. Parrish, T. R. Ryerson, I. Pollack, P. D. Cullis, M. A. Ives, D. W. Tarasick, J. Al-Saadi, and I. Stajner (2011), Measurement of western U.S. baseline ozone from the surface to the tropopause and assessment of downwind impact regions, J. Geophys. Res., 116, D00V03, doi:10.1029/2011JD016095.

57. Lance, S., M. D. Shupe, G. Feingold, C. A. Brock, J. Cozic, J. S. Holloway, R. H. Moore, A. Nenes, J. P. Schwarz, J. R. Spackman, K. D. Froyd, D. M. Murphy, J. Brioude, O. R. Cooper, A. Stohl, and J. F. Burkhart (2011), Cloud condensation nuclei as a modulator of ice processes in Arctic mixed-phase clouds, Atmos. Chem. Phys., 11, 8003-8015.

56. Lee, S.-H., S.-W. Kim, M. Trainer, G. J. Frost, S. A. McKeen, O. R. Cooper, F. Flocke, J. S. Holloway, J. A. Neuman, T. Ryerson, C. J. Senff, A. L. Swanson and A. M. Thompson (2011), Modeling ozone plumes observed downwind of New York City over the North Atlantic Ocean during the ICARTT field campaign, Atmos. Chem. Phys., 11, 7375-7397.

55. Huang, X.-F., R. S. Gao, J. P. Schwarz, L.-Y. He, D. W. Fahey, L. A.Watts, A. McComiskey, O. R. Cooper, T.-L. Sun, L.-W. Zeng1 , M. Hu, Y.-H. Zhang (2011), Black carbon measurements in the Pearl River Delta region of China, J. Geophys. Res., 116, D12208, doi:10.1029/2010JD014933.

54. Brock, C. A., Cozic, J., Bahreini, R., Froyd, K. D., Middlebrook, A. M., McComiskey, A., Brioude, J., Cooper, O. R., Stohl, A., Aikin, K. C., de Gouw, J. A., Fahey, D. W., Ferrare, R. A., Gao, R.-S., Gore, W., Holloway, J. S., Hübler, G., Jefferson, A., Lack, D. A., Lance, S., Moore, R. H., Murphy, D. M., Nenes, A., Novelli, P. C., Nowak, J. B., Ogren, J. A., Peischl, J., Pierce, R. B., Pilewskie, P., Quinn, P. K., Ryerson, T. B., Schmidt, K. S., Schwarz, J. P., Sodemann, H., Spackman, J. R., Stark, H., Thomson, D. S., Thornberry, T., Veres, P., Watts, L. A., Warneke, C., and Wollny, A. G. (2011), Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project, Atmos. Chem. Phys., 11, 2423-2453, doi:10.5194/acp-11-2423-2011.

53. Gilman, J. B., Burkhart, J. F., Lerner, B. M., Williams, E. J., Kuster, W. C., Goldan, P. D., Murphy, P. C., Warneke, C., Fowler, C., Montzka, S. A., Miller, B. R., Miller, L., Oltmans, S. J., Ryerson, T. B., Cooper, O. R., Stohl, A., and de Gouw, J. A. (2010), Ozone variability and halogen oxidation within the Arctic and sub-Arctic springtime boundary layer, Atmos. Chem. Phys., 10, 10223-10236, doi:10.5194/acp-10-10223-2010.

52. Brioude, J., R. W. Portmann, J. S. Daniel, O. R. Cooper, G. J. Frost, K. H. Rosenlof, C. Granier, A. R. Ravishankara, S. A. Montzka, and A. Stohl (2010), Variations in ozone depletion potentials of very short-lived substances with season and emission region, Geophys. Res. Lett., 37, L19804, doi:10.1029/2010GL044856.

51. Lamarque, J.-F., T. C. Bond, V. Eyring, C. Granier, A. Heil, Z. Klimont, D. Lee, C. Liousse, A. Mieville, B. Owen, M. G. Schultz, D. Shindell, S. J. Smith, E. Stehfest, J. Van Aardenne, O. R. Cooper, M. Kainuma, N. Mahowald, J. R. McConnell, V. Naik, K. Riahi, and D. P. van Vuuren (2010), Historical (1850-2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols: methodology and application, Atmos. Chem. Phys., 10, 7017-7039.

50. Tarasick, D. W., J. J. Jin, V. E. Fioletov, G. Liu, A. M. Thompson, S. J. Oltmans, J. Liu, C. E. Sioris, X. Liu, O. R. Cooper, T. Dann, and V. Thouret (2010), High-resolution tropospheric ozone fields for INTEX and ARCTAS from IONS ozonesondes, J. Geophys. Res., 115, D20301, doi:10.1029/2009JD012918.

49. Cooper, O. R., D. D. Parrish, A. Stohl, M. Trainer, P. Nédélec, V. Thouret, J. P. Cammas, S. J. Oltmans, B. J. Johnson, D. Tarasick, T. Leblanc, I. S. McDermid, D. Jaffe, R. Gao, J. Stith, T. Ryerson, K. Aikin, T. Campos, A. Weinheimer and M. A. Avery (2010), Increasing springtime ozone mixing ratios in the free troposphere over western North America, Nature, 463, 344-348, doi:10.1038/nature08708.

48. Brioude, J., O. R. Cooper, G. Feingold, M. Trainer, S. R. Freitas, D. Kowal, J.K. Ayers, E. Prins, P. Minnis, S. A. McKeen, G. J. Frost, and E.-Y. Hsie (2009), Effect of biomass burning on marine stratocumulus clouds off the California coast, Atmos. Chem. Phys., 9, 8841-8856.

47. Monks, P. S., C. Granier, S. Fuzzi, A. Stohl, M. Williams, H. Akimoto, M. Amman, A. Baklanov, U. Baltensperger, I. Bey, N. Blake,, R.S. Blake, K. Carslaw, O.R. Cooper, F. Dentener, E. Fragkou, G. Frost, S. Generoso, P. Ginoux, V. Grewe, A. Guenther, H.C. Hansson, S. Henne, J. Hjorth, A. Hofzumahaus, H. Huntrieser, M.E. Jenkin, J. Kaiser, M. Kanakidou, Z. Klimont, M. Kulmala, M.G. Lawrence, J.D. Lee, C. Liousse, G. McFiggans, A. Metzger, A. Mieville, N. Moussiopoulos, J.J. Orlando, C. O'Dowd, P.I. Palmer, D.D. Parrish, A. Petzold, U. Platt, U. Pöschl, A.S.H. Prévôt, C.E. Reeves, S. Reiman, Y. Rudich, K. Sellegri, R. Steinbrecher, D. Simpson, H. ten Brink, J. Theloke, G. van der Werf, R. Vautard, V. Vestreng, Ch. Vlachokostas, R. vonGlasow (2009), Atmospheric Composition Change - Global and Regional Air Quality, Atmos. Environ., 43, 5268-5350.

46. Cooper, O. R., S. Eckhardt, J. H. Crawford, C. C. Brown, R. C. Cohen, T. H. Bertram, P. Wooldridge, A. Perring, W. H. Brune, X. Ren, D. Brunner, and S. L. Baughcum (2009), Summertime buildup and decay of lightning NOx and aged thunderstorm outflow above North America, J. Geophys Res., 114, D01101, doi:10.1029/2008JD010293.

45. Brioude, J., J.-P. Cammas, O. R. Cooper, and P. Nedelec (2008), Characterization of the composition, structure, and seasonal variation of the mixing layer above the extratropical tropopause as revealed by MOZAIC measurements, J. Geophys. Res., 113, D00B01, doi:10.1029/2007JD009184.

44. Brock, C. A., A. P. Sullivan, R. E. Peltier, R. J. Weber, A. Wollny, J. A. de Gouw, A. M. Middlebrook, E. L. Atlas, A. Stohl, M. K. Trainer, O. R. Cooper, F. C. Fehsenfeld, G. J. Frost, J. S. Holloway, G. Hübler, J. A. Neuman, T. B. Ryerson, C. Warneke, and J. C. Wilson (2008), Sources of particulate matter in the northeastern United States in summer: 2. Evolution of chemical and microphysical properties, J. Geophys. Res., 113, D08302, doi:10.1029/2007JD009241

43. Cooper, O. R., M. Trainer, A. M. Thompson, S. J. Oltmans, D. W. Tarasick, J. C. Witte, A. Stohl, S. Eckhardt, J. Lelieveld, M. J. Newchurch, B. J. Johnson, R. W. Portmann, L. Kalnajs, M. K. Dubey, T. Leblanc, I. S. McDermid, G. Forbes, D. Wolfe, T. Carey-Smith, G. A. Morris, B. Lefer, B. Rappenglück, E. Joseph, F. Schmidlin, J. Meagher, F. C. Fehsenfeld, T. J. Keating, R. A. Van Curen and K. Minschwaner (2007), Evidence for a recurring eastern North America upper tropospheric ozone maximum during summer, J. Geophys. Res., 112, D23304, doi:10.1029/2007JD008710.

42. Brioude, J., O. R. Cooper, M. Trainer, T. B. Ryerson, J. S. Holloway, T. Baynard, J. Peischl, C. Warneke, J. A. Neuman, J. De Gouw, A. Stohl, S. Eckhardt, G. J. Frost, S. A. McKeen, E.-Y. Hsie, F. C. Fehsenfeld, and P. Nédélec (2007), Mixing between a stratospheric intrusion and a biomass burning plume, Atmos. Chem. Phys., 7, 4229-4235.

41. Tarasick, D. W., M. D. Moran, A. M. Thompson, T. Carey-Smith, Y. Rochon, V. S. Bouchet, W. Gong, P. A. Makar, C. Stroud, S. Ménard, L.-P. Crevier, S. Cousineau, J. A. Pudykiewicz, A. Kallaur, R. Moffet, R. Ménard, A. Robichaud, O. R. Cooper, S. J. Oltmans, J. C. Witte, G. Forbes, B. J. Johnson, J. Merrill, J. L. Moody, G. Morris, M. J. Newchurch, F. J. Schmidlin, E. Joseph, E (2007), Comparison of Canadian air quality forecast models with tropospheric ozone profile measurements above midlatitude North America during the IONS/ICARTT campaign: Evidence for stratospheric input, J. Geophys. Res., 112, D12S22, doi:10.1029/2006JD007782.

40. Thompson, A. M., J. B. Stone, J. C. Witte, S. K. Miller, R. B. Pierce, R. B. Chatfield, S. J. Oltmans, O. R. Cooper, A. L. Loucks, B. F. Taubman, B. J. Johnson, E. Joseph, T. L. Kucsera, J. T. Merrill, G. A. Morris, S. Hersey, G. Forbes, M. J. Newchurch, F. J. Schmidlin, D. W. Tarasick, V. Thouret, and J.-P. Cammas (2007), Intercontinental Chemical Transport Experiment Ozonesonde Network Study (IONS) 2004: 1. Summertime upper troposphere/lower stratosphere ozone over northeastern North America, J. Geophys. Res., 112, D12S12, doi:10.1029/2006JD007441.

39. Pittman, J. V., E. M. Weinstock, R. J. Oglesby, D. S. Sayres, J. B. Smith, J. G. Anderson, O. R. Cooper, S. C. Wofsy, I. Xueref, C. Gerbig, B. C. Daube, E. C. Richard, B. A. Ridley, A. J. Weinheimer, M. Loewenstein, H.-J. Jost, J. P. Lopez, M. J. Mahoney, T. L. Thompson, W. W. Hargrove, and F. M. Hoffman (2007), Transport in the subtropical lowermost stratosphere during the Cirrus Regional Study of Tropical Anvils and Cirrus Layers-Florida Area Cirrus Experiment, J. Geophys. Res., 112, D08304, doi:10.1029/2006JD007851.

38. Cooper, O. R., A. Stohl, M. Trainer, A. Thompson, J. C. Witte, S. J. Oltmans, G. Morris, K. E. Pickering, J. H. Crawford, G. Chen, R. C. Cohen, T. H. Bertram, P. Wooldridge, A. Perring, W. H. Brune, J. Merrill, J. L. Moody, D. Tarasick, P. Nédélec, G. Forbes, M. J. Newchurch, F. J. Schmidlin, B. J. Johnson, S. Turquety, S. L. Baughcum, X. Ren, F. C. Fehsenfeld, J. F. Meagher, N. Spichtinger, C. C. Brown, S. A. McKeen, I. S. McDermid and T. Leblanc (2006), Large upper tropospheric ozone enhancements above mid-latitude North America during summer: In situ evidence from the IONS and MOZAIC ozone monitoring network, J. Geophys. Res., 111, D24S05, doi:10.1029/2006JD007306.

37. Brioude, J., J.-P. Cammas, and O. R. Cooper, Stratosphere-troposphere exchange in a summertime extratropical low: analysis, Atmos. Chem. Phys., 6, 2337-2353, 2006.

36. Owen, R. C., O. R. Cooper, A. Stohl, and R. E. Honrath (2006), An analysis of the mechanisms of North American pollutant transport to the central North Atlantic lower free troposphere, J. Geophys. Res., 111, D23S58, doi:10.1029/2006JD007062.

35. Beirle, S., N. Spichtinger, A. Stohl, K. L. Cummins, T. Turner, D. Boccippio, O. R. Cooper, M. Wenig, M. Grzegorski, U. Platt, and T. Wagner, Estimating the NOx produced by lightning from GOME and NLDN data: a case study in the Gulf of Mexico, Atmos. Chem. Phys., 6, 1075-1089, 2006.

34. Warneke, C., J.A. de Gouw , A. Stohl, O. R. Cooper, P.D. Goldan, W.C. Kuster, J.S. Holloway, E.J. Williams, B.M. Lerner, S.A. McKeen, M. Trainer, and F.C. Fehsenfeld (2006), Biomass Burning and Anthropogenic Sources of CO over New England in the Summer 2004, J. Geophys. Res., 111, D23S15, doi:10.1029/2005JD006878.

33. de Gouw, J. A., C. Warneke, A. Stohl, A. G. Wollny, C. A. Brock, O. R. Cooper, J. S. Holloway, M. Trainer and F. C. Fehsenfeld (2006), Volatile organic compounds composition of merged and aged forest fire plumes from Alaska and western Canada, J. Geophys. Res., 111, D10303, doi:10.1029/2005JD006175.

32. Cooper, O. R., A. Stohl, G. Hübler, E. Y. Hsie, D. D. Parrish, A. F. Tuck, G. N. Kiladis, S. J. Oltmans, B. J. Johnson, M. Shapiro, J. L. Moody and A. S. Lefohn, Direct transport of mid-latitude stratospheric ozone into the lower troposphere and marine boundary layer of the tropical Pacific Ocean, J. Geophys. Res., 110, D23310, doi:10.1029/2005JD005783, 2005.

31. Koch, S. E., B. D. Jamison, C. Lu, T. L. Smith, E. I. Tollerud, N. Wang, T. P. Lane, M. A. Shapiro, D. D. Parrish and O. R. Cooper, Turbulence and gravity waves within an upper-level front, Journal of the Atmospheric Sciences, 62, 3885-3908, 2005.

30. Cooper, O. R., A. Stohl, S. Eckhardt, D. D. Parrish, S. J. Oltmans, B. J. Johnson, P. Nedelec, F. J. Schmidlin, M. J. Newchurch, Y. Kono and K. Kita, A springtime comparison of tropospheric ozone and transport pathways on the east and west coasts of the United States, J. Geophys. Res., 110, D05S90, doi:10.1029/2004JD005183, 2005.

29. Huntrieser, H., J. Heland, H. Schlager, C. Forster, A. Stohl, H. Aufmhoff, F. Arnold, E. Scheel, M. Campana, S. Gilge, R. Eixmann, and O. Cooper, Intercontinental air pollution transport from North America to Europe: Experimental evidence from airborne measurements and surface observations, J. Geophys. Res. 110, D01305, doi:10.1029/2004JD005045, 2005.

28. Jones, G. V., M. A. White, O. R. Cooper and K. Storchmann, Climate Change and Global Wine Quality, Climatic Change, 73, 319-343, DOI: 10.1007/s10584-005-4704-2, 2005.

27. Cooper, O. R., C. Forster, D. Parrish, M. Trainer, E. Dunlea, T. B. Ryerson, G. Hübler, F. Fehsenfeld, D. Nicks, J. Holloway, J. Nowak, C. Brock, J. de Gouw, C. Warneke, J. Roberts, F. Flocke J. Moody, A case study of trans-Pacific warm conveyor belt transport: The influence of merging airstreams on trace gas import to North America, J. Geophys. Res., 109, D23S08, doi:10.1029/2003JD003624, 2004.

26. Cooper, O. R., C. Forster, D. Parrish, E. Dunlea, G. Hübler, F. Fehsenfeld, J. Holloway, S. Oltmans, B. Johnson, A. Wimmers, and L. Horowitz, On the life-cycle of a stratospheric intrusion and its dispersion into polluted warm conveyor belts, J. Geophys. Res., 109, D23S09, doi:10.1029/2003JD004006, 2004.

25. Brock, C. A., P. K. Hudson, E. R. Lovejoy, A. Sullivan, J. B. Nowak, L. G. Huey, O. R. Cooper, D. J. Cziczo, J. de Gouw, F. C. Fehsenfeld, J. S. Holloway, G. Hübler, B. G. Lafleur, J. A. Neuman, D. K. Nicks, Jr., D. A. Orsini, D. D. Parrish, T. B. Ryerson, D. J. Tanner, M. Trainer, C. Warneke, R. J. Weber, and J. C. Wilson, Particle characteristics following cloud-modified transport from Asia to North America, J. Geophys. Res., 109, doi:10.1029/2003JD004198, 2004.

24. de Gouw, J. A., O. R. Cooper, C. Warneke, P. K. Hudson, C. A. Brock, F. C. Fehsenfeld, J. S. Holloway, G. Hübler, D. M. Murphy, J. B. Nowak, D. D. Parrish, T. B. Ryerson, and M. Trainer, Chemical composition of air pollution transported from Asia to the U.S. west coast during ITCT2K2: Fossil Fuel versus biomass burning signatures, J. Geophys. Res., 109, doi:10.1029/2003JD004202, 2004.

23. Forster, C., O. Cooper, A. Stohl, S. Eckhardt, P. James, E. Dunlea, D. Nicks Jr., J. Holloway, G. Hübler, D. Parrish, T. Ryerson and M. Trainer, Lagrangian transport model forecasts and a transport climatology for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) measurement campaign, J. Geophys. Res., 109, D07S92, doi:10.1029/2003JD003589, 2004.

22. Goldstein, A. H., D. B. Millet, M. McKay, L. Jaegle, L. Horowitz, O. Cooper, R. Hudman, D. Jacob, S. Oltmans, and A. Clark, Impact of Asian emissions on observations at Trinidad Head, California, during ITCT 2K2, J. Geophys. Res., 109, doi:10.1029/2003JD004406, 2004.

21. Hudman, R. C., D. J. Jacob, O. R. Cooper, M. J. Evans, C. L. Heald, R. J. Park, F. Fehsenfeld, F. Flocke, J. Holloway, G. Hübler, K. Kita, M. Koike, Y. Kondo, A. Neuman, J. Nowak, S. Oltmans, D. Parrish, J. M. Roberts, and T. Ryerson, Ozone production in transpacific Asian pollution plumes and implications for ozone air quality in California, J. Geophys. Res., 109, D23S10, doi:10.1029/2004JD004974, 2004.

20. McCaffery, S. J., S. A. McKeen, E.-Y. Hsie, D. D. Parrish, O. R. Cooper, J. S. Holloway, G. Hübler, F. C. Fehsenfeld, and M. Trainer, A case study of stratosphere-troposphere exchange during the 1996 North Atlantic Regional Experiment, J. Geophys. Res., J. Geophys. Res., 109, doi:10.1029/2003JD004007, 2004.

19. Nowak, J. B., D. D. Parrish, J. A. Neuman, J. S. Holloway , O. R. Cooper, M. Trainer, T. B. Ryerson, D. K. Nicks, Jr., F. Flocke, J. M. Roberts, E. Atlas, J. A. de Gouw, S. Donnelly, E. Dunlea, G. Hübler, L. G. Huey, S. Schauffler, D. J. Tanner, C. Warneke, F. C. Fehsenfeld, Gas-Phase Chemical Characteristics of Asian Emission Plumes Observed During ITCT 2k2 Over the Eastern North Pacific Ocean, J. Geophys. Res., 109, D23S19, doi:10.1029/2003JD004488, 2004.

18. Parrish, D. D., Y. Kondo, O. R. Cooper, C. A. Brock, D. A. Jaffe, M. Trainer, T. Ogawa, G. Hübler, and F. C. Fehsenfeld, Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emission (PEACE) experiments: An overview of the 2002 winter and spring intensives, J. Geophys. Res., 109, D23S01, doi:10.1029/2004JD004980, 2004.

17. Price, H. U., D. A. Jaffe, O. R. Cooper, and P. V. Doskey, Photochemistry, ozone production and dilution during long-range transport episodes from Eurasia to the northwest U.S., J. Geophys. Res., 109, doi:10.1029/2003JD004400, 2004.

16. Stohl, A. O. R. Cooper and P. James, A cautionary note on the use of meteorological analysis fields for quantifying atmospheric mixing, J. Atmos. Sci., 61, 1446-1453, 2004a.

15. Stohl, A., O. Cooper, R. Damoah, F. Fehsenfeld, C. Forster, E. Hsie, G. Hübler, D. Parrish, and M. Trainer, Forecasting for a Lagrangian aircraft campaign, Atmospheric Chemistry and Physics, Vol. 4, pp 1113-1124, 12-7-2004b.

14. Jaffe, D., J. Snow, and O. Cooper, The 2001 Asian Dust events: Transport and Impact on Surface Aerosol Concentrations in the U.S., EOS, 84, pp. 501,507, 2003.

13. Stohl, A., C. Forster, S. Eckhardt, N. Spichtinger, H. Huntrieser, J. Heland, H. Schlager, H. Aufmhoff, F. Arnold and O. Cooper, A backward modeling study of intercontinental pollution transport using aircraft measurements, J. Geophys. Res., 108(D12), 4370, 10.1029/2002JD002862, 2003.

12. Stohl, A., H. Huntrieser, A. Richter, S. Beirle, O. Cooper, S. Eckhardt, C. Forster, P. James, N. Spichtinger, T. Wagner, J. Burrows, and U. Platt, Rapid intercontinental air pollution transport associated with a meteorological bomb, Atmos. Chem. Phys., 3, 2101-2141, 2003.

11. Trickl, T., O. R. Cooper, H. Eisele, P. James, R. Muecke, and A. Stohl, Intercontinental transport and its influence on the ozone concentrations over central Europe - Three case studies, J. Geophys. Res., 108(D12), 8530, 10.1029/2002JD002735, 2003.

10. Zanis, P., T. Trickl, A. Stohl, H. Wernli, O. Cooper, C. Zerefos, H. Gaeggeler, C. Schnabel, L. Tobler, P. W. Kubik, A. Priller, H. E. Scheel, H. J. Kanter, P. Cristofanelli, C. Forster, P. James, E. Gerasopoulos, A. Delcloo, A. Papayannis, and H. Claude, Forecast, observation and modeling of a deep stratospheric intrusion event over Europe, Atmos. Chem. Phys., 3, 763-777, 2003.

9. Cooper, O. R., J. L. Moody, D. D. Parrish, M. Trainer, J. S. Holloway, T. B. Ryerson, G.Hübler, F. C. Fehsenfeld, S. J. Oltmans and M. J. Evans, Trace gas composition of mid-latitude cyclones over the western North Atlantic Ocean: A conceptual model, J. Geophys. Res., 107, 10.1029/2001JD000901, 2002.

8. Cooper, O. R., J. L. Moody, D. D. Parrish, M. Trainer, J. S. Holloway, G. Hübler, F. C. Fehsenfeld, and A. Stohl, Trace gas composition of mid-latitude cyclones over the western North Atlantic Ocean: A seasonal comparison, J. Geophys. Res., 107, 10.1029/2001JD000902, 2002.

7. Cooper, O. R., J. L. Moody, D. D. Parrish, M. Trainer, J. S. Holloway, T. B. Ryerson, G. Hübler, F. C. Fehsenfeld, S. J. Oltmans and M. J. Evans, Trace gas signatures of the airstreams within North Atlantic cyclones - Case studies from the NARE'97 aircraft intensive, J. Geophys. Res., 106, 5437-5456, 2001.

6. Cooper, O. R., J. L. Moody, T. Thornberry, M. Town and M. A. Carroll, PROPHET '98 meteorological overview and air-mass classification, J. Geophys. Res., 24, 289-24,299, 2001.

5. Sumner, A. L., P. B. Shepson, T. L. Couch, T. Thornberry, M. A. Carroll, S. Sillman, M. Pippen, S. Bertman, D. Tan, I. Faloona, W. Brune, V. Young, O. Cooper, J. Moody, and W. Stockwell, A study of formaldehyde chemistry above a forest canopy, J. Geophys. Res., 106, 24387-24406, 2001.

4. Thornberry, T., M. A. Carroll, J. Keeler, S. Sillman, S. Bertman, M. Pippen, K. Ostling, J. Grossenbacher, P. Shepson, O. Cooper, J. Moody, and B. Stockwell, Observations of reactive nitrogen and speciation of NOy during PROPHET summer 1998, J. Geophys. Res., 106, 24359-24386, 2001.

3. Cooper, O. R. and J. L. Moody, Meteorological controls on ozone at an elevated eastern U.S. regional background monitoring site, J. Geophys. Res, 105, 6855-6869, 2000.

2. Parrish, D. D., J. S. Holoway, R. Jakoubek, M. Trainer, T. B. Ryerson, G. Hübler, F. C. Fehsenfeld, J. L. Moody and O. R. Cooper, Mixing of anthropogenic pollution with stratospheric ozone: A case study from the North Atlantic wintertime troposphere, J. Geophys. Res., 105, 24,363-24,374, 2000.

1. Cooper, O. R., J. L. Moody, J. C. Davenport, S. J. Oltmans, B. J. Johnson, X. Chen, P. B. Shepson, and J. T. Merrill, Influence of springtime weather systems on vertical ozone distributions over three North American sites, J. Geophys. Res., 103, 22,001-22,013. 1998.