The effects of springtime mid-latitude storms on trace gas composition determined from the MACC reanalysis

Atmospheric Chemistry and Physics

Volumn 15, Issue 6, 2015, Pages 3605-3628

  Knowland, K E ^a   Doherty, R M ^a   Hodges, K I ^b  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b UNIVERSITY OF READING   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC CHEMISTRY; ATMOSPHERIC TRANSPORT; CARBON MONOXIDE; CYCLONE; MIDLATITUDE ENVIRONMENT; OZONE; SPRING (SEASON); STORM; TRACE GAS; TROPOSPHERE;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH); PACIFIC OCEAN; PACIFIC OCEAN (NORTH);

EID: 84926483011     PISSN: 16807316     EISSN: 16807324     Source Type: Journal    
DOI: 10.5194/acp-15-3605-2015     Document Type: Article

References (93)

1. Akimoto, H.: Global air quality and pollution, Science, 302, 1716-1719, doi:10.1126/science.1092666, 2003.
2. Barkley, M.: Description of MEGAN biogenic VOC emissions in GEOS-Chem, available at: http://acmg.seas.harvard.edu/geos/wiki-docs/emissions/megan.pdf (last access: 9 April 2014), 2010.
3. Bauer, M. and Del Genio, A.: Composite analysis of winter cyclones in a GCM: influence on climatological humidity, J. Climatol., 19, 1652-1672, doi:10.1175/JCLI3690.1, 2006.
4. Benedetti, A., Morcrette, J.-J., Boucher, O., Dethof, A., Engelen, R. J., Fisher, M., Flentje, H., Huneeus, N., Jones, L., Kaiser, J. W., Kinne, S., Mangold, A., Razinger, M., Simmons, A. J., and Suttie, M.: Aerosol analysis and forecast in the European Centre for Medium-RangeWeather Forecasts Integrated Forecast System: 2. Data assimilation, J. Geophys. Res., 114, 2156-2202, doi:10.1029/2008JD011115, 2009.
5. Bengtsson, L., Hodges, K. I., Esch, M., Keenlyside, N., Kornblueh, L., Luo, J.-J., and Yamagata, T.: How may tropical cyclones change in a warmer climate?, Tellus A, 59, 539-561, doi:10.1111/j.1600-0870.2007.00251.x, 2007.
6. Bengtsson, L., Hodges, K. I., and Keenlyside, N.:Will extratropical storms intensify in a warmer climate?, J. Climatol., 22, 2276-2301, doi:10.1175/2008JCLI2678.1, 2009.
7. Browning, K.: The dry intrusion perspective of extra-tropical cyclone development, Meteorol. Appl., 4, 317-324, 1997.
8. Brown-Steiner, B. and Hess, P.: Asian influence on surface ozone in the United States: A comparison of chemistry, seasonality, and transport mechanisms, J. Geophys. Res., 116, D17, doi:10.1029/2011JD015846, 2011.
9. Carlson, T.: Airflow through midlatitude cyclones and the comma cloud pattern, Mon. Weather Rev., 108, 1498-1509, doi:10.1175/1520-0493(1980)108〈1498:ATMCAT〉2.0.CO;2, 1980.
10. Catto, J., Shaffrey, L., and Hodges, K.: Can climate models capture the structure of extratropical cyclones?, J. Climatol., 23, 1621-1635, doi:10.1175/2009JCLI3318.1, 2010.
11. Christoudias, T., Pozzer, A., and Lelieveld, J.: Influence of the North Atlantic Oscillation on air pollution transport, Atmos. Chem. Phys., 12, 869-877, doi:10.5194/acp-12-869-2012, 2012.
12. Cooper, O. R., Moody, J. L., Parrish, D. D., Trainer, M., Ryerson, T. B., Holloway, J. S., Hubler, G., Fehsenfeld, F. C., Oltmans, S. J., and Evans, M. J.: Trace gas signatures of the airstreams within North Atlantic cyclones: Case studies from the North Atlantic Regional Experiment (NARE '97) aircraft intensive, J. Geophys. Res., 106, 5437-5456, doi:10.1029/2000JD900574, 2nd AGU Chapman Conference on Water Vapor in the Climate System, Potomac, Maryland, 12-15 October 1999, 2001.
13. Cooper, O. R., Moody, J. L., Parrish, D. D., Trainer, M., Holloway, J. S., Hübler, G., Fehsenfeld, F. C., and Stohl, A.: Trace gas composition of midlatitude cyclones over the western North Atlantic Ocean: A seasonal comparison of O3 and CO, J. Geophys. Res., 107, ACH2-1-ACH2-12, doi:10.1029/2001JD000902, 2002a.
14. Cooper, O. R., Moody, J. L., Parrish, D. D., Trainer, M., Ryerson, T. B., Holloway, J. S., Hübler, G., Fehsenfeld, F. C., and Evans, M. J.: Trace gas composition of midlatitude cyclones over the western North Atlantic Ocean: a conceptual model, J. Geophys. Res., 107, ACH1-1-ACH1-13, doi:10.1029/2001JD000901, 2002b.
15. Cooper, O., Forster, C., Parrish, D., Dunlea, E., Hübler, G., Fehsenfeld, F., Holloway, J., Oltmans, S., Johnson, B., Wimmers, A., and Horowitz, L.: On the life cycle of a stratospheric intrusion and its dispersion into polluted warm conveyor belts, J. Geophys. Res., 109, D23, doi:10.1029/2003JD004006, 2004a.
16. Cooper, O. R., Forster, C., Parrish, D., Trainer, M., Dunlea, E., Ryerson, T., Hübler, G., Fehsenfeld, F., Nicks, D., Holloway, J., de Gouw, J., Warneke, C., Roberts, J. M., Flocke, F., and Moody, J.: A case study of transpacific warm conveyor belt transport: Influence of merging airstreams on trace gas import to North America, J. Geophys. Res., 109, D23, doi:10.1029/2003JD003624, 2004b.
17. Cooper, O. R., Parrish, D. D., Stohl, A., Trainer, M., Nédélec, P., Thouret, V., Cammas, J. P., Oltmans, S. J., Johnson, B. J., Tarasick, D., Leblanc, T., McDermid, I. S., Jaffe, D., Gao, R., Stith, J., Ryerson, T., Aikin, K., Campos, T., Weinheimer, A., and Avery, M. A.: Increasing springtime ozone mixing ratios in the free troposphere over western North America, Nature, 463, 344-348, 2010.
18. Cooper, O. R., Gao, R.-S., Tarasick, D., Leblanc, T., and Sweeney, C.: Long-term ozone trends at rural ozone monitoring sites across the United States, 1990-2010, J. Geophys. Res., 117, D22, doi:10.1029/2012JD018261, 2012.
19. Creilson, J. K., Fishman, J., and Wozniak, A. E.: Intercontinental transport of tropospheric ozone: a study of its seasonal variability across the North Atlantic utilizing tropospheric ozone residuals and its relationship to the North Atlantic Oscillation, Atmos. Chem. Phys., 3, 2053-2066, doi:10.5194/acp-3-2053-2003, 2003.
20. Dacre, H., Hawcroft, M., Stringer, M., and Hodges, K.: An extratropical cyclone atlas: a tool for illustrating cyclone structure and evolution characteristics, B. Am. Meteorol. Soc., 93, 1497-1502, 2012.
21. Dacre, H. F. and Gray, S. L.: Quantifying the climatological relationship between extratropical cyclone intensity and atmospheric precursors, Geophys. Res. Lett., 40, 2322-2327, doi:10.1002/grl.50105, 2013.
22. Danielsen, E. F.: Stratospheric-tropospheric exchange based on radioactivity, ozone and potential vorticity, J. Atmos. Sci., 25, 502-518, 1968.
23. Danielsen, E. F.: Stratospheric source for unexpectedly large values of ozone measured over the Pacific Ocean during Gametag, August 1977, J. Geophys. Res., 85, 401-412, doi:10.1029/JC085iC01p00401, 1980.
24. Dee, D. P., Uppala, S. M., Simmons, A. J., Berrisford, P., Poli, P., Kobayashi, S., Andrae, U., Balmaseda, M. A., Balsamo, G., Bauer, P., Bechtold, P., Beljaars, A. C. M., van de Berg, L., Bidlot, J., Bormann, N., Delsol, C., Dragani, R., Fuentes, M., Geer, A. J., Haimberger, L., Healy, S. B., Hersbach, H., Hólm, E. V., Isaksen, L., Kållberg, P., Köhler, M., Matricardi, M., McNally, A. P., Monge-Sanz, B. M., Morcrette, J.-J., Park, B.-K., Peubey, C., de Rosnay, P., Tavolato, C., Thépaut, J.-N., and Vitart, F.: The ERA-Interim reanalysis: configuration and performance of the data assimilation system, Q. J. Roy. Meteor. Soc., 137, 553-597, doi:10.1002/qj.828, 2011.
25. Derwent, R. G., Manning, A. J., Simmonds, P. G., Spain, T. G., and O'Doherty, S.: Analysis and interpretation of 25 years of ozone observations at the Mace Head Atmospheric Research Station on the Atlantic Ocean coast of Ireland from 1987 to 2012, Atmos. Environ., 80, 361-368, doi:10.1016/j.atmosenv.2013.08.003, 2013.
26. Dupuy, E., Walker, K. A., Kar, J., Boone, C. D., McElroy, C. T., Bernath, P. F., Drummond, J. R., Skelton, R., McLeod, S. D., Hughes, R. C., Nowlan, C. R., Dufour, D. G., Zou, J., Nichitiu, F., Strong, K., Baron, P., Bevilacqua, R. M., Blumenstock, T., Bodeker, G. E., Borsdorff, T., Bourassa, A. E., Bovensmann, H., Boyd, I. S., Bracher, A., Brogniez, C., Burrows, J. P., Catoire, V., Ceccherini, S., Chabrillat, S., Christensen, T., Coffey, M. T., Cortesi, U., Davies, J., De Clercq, C., Degenstein, D. A., De Mazière, M., Demoulin, P., Dodion, J., Firanski, B., Fischer, H., Forbes, G., Froidevaux, L., Fussen, D., Gerard, P., Godin-Beekmann, S., Goutail, F., Granville, J., Griffith, D., Haley, C. S., Hannigan, J. W., Höpfner, M., Jin, J. J., Jones, A., Jones, N. B., Jucks, K., Kagawa, A., Kasai, Y., Kerzenmacher, T. E., Kleinböhl, A., Klekociuk, A. R., Kramer, I., Küllmann, H., Kuttippurath, J., Kyrölä, E., Lambert, J.-C., Livesey, N. J., Llewellyn, E. J., Lloyd, N. D., Mahieu, E., Manney, G. L., Marshall, B. T., Mc- Connell, J. C., McCormick, M. P., McDermid, I. S., McHugh, M., McLinden, C. A., Mellqvist, J., Mizutani, K., Murayama, Y., Murtagh, D. P., Oelhaf, H., Parrish, A., Petelina, S. V., Piccolo, C., Pommereau, J.-P., Randall, C. E., Robert, C., Roth, C., Schneider, M., Senten, C., Steck, T., Strandberg, A., Strawbridge, K. B., Sussmann, R., Swart, D. P. J., Tarasick, D. W., Taylor, J. R., Tétard, C., Thomason, L. W., Thompson, A. M., Tully, M. B., Urban, J., Vanhellemont, F., Vigouroux, C., von Clarmann, T., von der Gathen, P., von Savigny, C., Waters, J. W., Witte, J. C., Wolff, M., and Zawodny, J. M.: Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE), Atmos. Chem. Phys., 9, 287-343, doi:10.5194/acp-9-287-2009, 2009.
27. Eckhardt, S., Stohl, A., Wernli, H., James, P., Forster, C., and Spichtinger, N.: A 15-year climatology of warm conveyor belts, J. Climatol., 17, 218-237, 2004.
28. Engelen, R. J., Serrar, S., and Chevallier, F.: Four-dimensional data assimilation of atmospheric CO2 using AIRS observations, J. Geophys. Res., 114, D3, doi:10.1029/2008JD010739, 2009.
29. Flemming, J., Inness, A., Flentje, H., Huijnen, V., Moinat, P., Schultz, M. G., and Stein, O.: Coupling global chemistry transport models to ECMWF's integrated forecast system, Geosci. Model Dev., 2, 253-265, doi:10.5194/gmd-2-253-2009, 2009.
30. Geng, Q. and Sugi, M.: Variability of the North Atlantic cyclone activity in winter analyzed from NCEP-NCAR reanalysis data, J. Climatol., 14, 3863-3873, doi:10.1175/1520-0442(2001)014<3863:VOTNAC>2.0.CO;2, 2001.
31. Grandey, B. S., Stier, P., Wagner, T. M., Grainger, R. G., and Hodges, K. I.: The effect of extratropical cyclones on satellite-retrieved aerosol properties over ocean, Geophys. Res. Lett., 38, 13, doi:10.1029/2011GL047703, 2011.
32. Granier, C., Guenther, A., Lamarque, J., Mieville, A., Muller, J., Olivier, J., Orlando, J., Peters, J., Petron, G., Tyndall, G., and Wallens, S.: POET, a database of surface emissions of ozone precursors, available at: http://www.aero.jussieu.fr/projet/ACCENT/POET.php (last access: 26 March 2015), 2005.
33. Granier, C., Bessagnet, B., Bond, T., D'Angiola, A., Denier van der Gon, H., Frost, G., Heil, A., Kaiser, J., Kinne, S., Klimont, Z., Kloster, S., Lamarque, J.-F., Liousse, C., Masui, T., Meleux, F., Mieville, A., Ohara, T., Raut, J.-C., Riahi, K., Schultz, M., Smith, S., Thompson, A., Aardenne, J., Werf, G., and Vuuren, D.: Evolution of anthropogenic and biomass burning emissions of air pollutants at global and regional scales during the 1980-2010 period, Climatic Change, 109, 163-190, doi:10.1007/s10584-011-0154-1, 2011.
34. Gray, S. L.: A case study of stratosphere to troposphere transport: The role of convective transport and the sensitivity to model resolution, J. Geophys. Res., 108, D18, doi:10.1029/2002JD003317, 2003.
35. Guenther, A., Karl, T., Harley, P., Wiedinmyer, C., Palmer, P. I., and Geron, C.: Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature), Atmos. Chem. Phys., 6, 3181-3210, doi:10.5194/acp-6-3181-2006, 2006.
36. Harrold, T. W.: Mechanisms influencing distribution of precipitation within baroclinic disturbances, Q. J. Roy. Meteor. Soc., 99, 232-251, doi:10.1002/qj.49709942003, 1973.
37. Hegarty, J., Mao, H., and Talbot, R.: Synoptic controls on summer-time surface ozone in the northeastern United States, J. Geophys. Res., 112, D14, doi:10.1029/2006JD008170, 2007.
38. Hess, P. G. and Zbinden, R.: Stratospheric impact on tropospheric ozone variability and trends: 1990-2009, Atmos. Chem. Phys., 13, 649-674, doi:10.5194/acp-13-649-2013, 2013.
39. Hodges, K. I.: A general-method for tracking analysis and its application to meteorological data, Mon. Weather Rev., 122, 2573-2586, doi:10.1175/1520-0493(1994)122〈2573:AGMFTA〉2.0.CO;2, 1994.
40. Hodges, K. I.: Feature tracking on the unit-sphere, Mon. Weather Rev., 123, 3458-3465, doi:10.1175/1520-0493(1995)123〈3458:FTOTUS〉2.0.CO;2, 1995.
41. Hodges, K. I.: Adaptive constraints for feature tracking, Mon. Weather Rev., 127, 1362-1373, doi:10.1175/1520-0493(1999)127<1362:ACFFT>2.0.CO;2, 1999.
42. Hodges, K. I., Hoskins, B. J., Boyle, J., and Thorncroft, C.: A comparison of recent reanalysis datasets using objective feature tracking: storm tracks and tropical easterly waves, Mon. Weather Rev., 131, 2012-2037, doi:10.1175/1520-0493(2003)131<2012:ACORRD>2.0.CO;2, 2003.
43. Hollingsworth, A., Engelen, R. J., Benedetti, A., Dethof, A., Flemming, J., Kaiser, J. W., Morcrette, J.-J., Simmons, A. J., Textor, C., Boucher, O., Chevallier, F., Rayner, P., Elbern, H., Eskes, H., Granier, C., Peuch, V.-H., Rouil, L., and Schultz, M. G.: Toward a monitoring and forecasting system for atmospheric composition: the GEMS project, B. Am. Meteorol. Soc., 89, 1147-1164, 2008.
44. Holloway, T., Levy, H., and Kasibhatla, P.: Global distribution of carbon monoxide, J. Geophys. Res., 105, 12123-12147, doi:10.1029/1999JD901173, 2000.
45. Holton, J. R., Haynes, P. H., McIntyre, M. E., Douglass, A. R., Rood, R. B., and Pfister, L.: Stratosphere-troposphere exchange, Rev. Geophys., 33, 403-439, doi:10.1029/95RG02097, 1995.
46. Horowitz, L. W.: Past, present, and future concentrations of tropospheric ozone and aerosols: Methodology, ozone evaluation, and sensitivity to aerosol wet removal, J. Geophys. Res., 111, D22, doi:10.1029/2005JD006937, 2006.
47. Hoskins, B. and Hodges, K.: New perspectives on the Northern Hemisphere winter storm tracks, J. Atmos. Sci., 59, 1041-1061, doi:10.1175/1520-0469(2002)059〈1041:NPOTNH〉2.0.CO;2, 2002.
48. Hurrell, J., Kushnir, Y., Ottersen, G. and Visbeck, M.: The North Atlantic Oscillation: Climate Significance and Environmental Impact, vol. 134., Eds. Geophysical Monograph Series, 2003.
49. Inness, A., Flemming, J., Suttie, M., and Jones, L.: GEMS data assimilation system for chemically reactive gases, ECMWF RD Tech Memo 587, 2009.
50. Inness, A., Baier, F., Benedetti, A., Bouarar, I., Chabrillat, S., Clark, H., Clerbaux, C., Coheur, P., Engelen, R. J., Errera, Q., Flemming, J., George, M., Granier, C., Hadji-Lazaro, J., Huijnen, V., Hurtmans, D., Jones, L., Kaiser, J. W., Kapsomenakis, J., Lefever, K., Leitão, J., Razinger, M., Richter, A., Schultz, M. G., Simmons, A. J., Suttie, M., Stein, O., Thépaut, J.-N., Thouret, V., Vrekoussis, M., Zerefos, C., and the MACC team: The MACC reanalysis: an 8 yr data set of atmospheric composition, Atmos. Chem. Phys., 13, 4073-4109, doi:10.5194/acp-13-4073-2013, 2013.
51. Jia, Y., Rahn, K., He, K., Wen, T., and Wang, Y.: A novel technique for quantifying the regional component of urban aerosol solely from its sawtooth cycles, J. Geophys. Res., 113, D21, doi:10.1029/2008JD010389, 2008.
52. Kaiser, J., Heil, A., Schultz, M., Stein, O., van der Werf, G., Wooster, M., and Xu, W.: Final report on implementation and quality of the D-FIRE assimilation system, MACC deliverable D D-FIRE 7, ECMWF, available at: http://gmes-atmosphere.eu/documents/deliverables/d-fire/D-FIRE-final-report-v7.pdf (last access: 18 March 2014), 2011.
53. Kinnison, D. E., Brasseur, G. P., Walters, S., Garcia, R. R., Marsh, D. R., Sassi, F., Harvey, V. L., Randall, C. E., Emmons, L., Lamarque, J. F., Hess, P., Orlando, J. J., Tie, X. X., Randel, W., Pan, L. L., Gettelman, A., Granier, C., Diehl, T., Niemeier, U., and Simmons, A. J.: Sensitivity of chemical tracers to meteorological parameters in the MOZART-3 chemical transport model, J. Geophys. Res., 112, D20, doi:10.1029/2006JD007879, 2007.
54. Knowland, K. E., Doherty, R. M., and Hodges, K. I.: Seasonal variation of storm tracks and composition related to the NAO, in preparation, 2015.
55. Kumar, A., Wu, S., Weise, M. F., Honrath, R., Owen, R. C., Helmig, D., Kramer, L., Val Martin, M., and Li, Q.: Free-troposphere ozone and carbon monoxide over the North Atlantic for 2001-2011, Atmos. Chem. Phys., 13, 12537-12547, doi:10.5194/acp-13-12537-2013, 2013.
56. Lamarque, J. F. and Hess, P. G.: Arctic oscillation modulation of the northern hemisphere spring tropospheric ozone, Geophys. Res. Lett., 31, 6, doi:10.1029/2003GL019116, 2004.
57. Lamarque, J.-F., Kiehl, J. T., Brasseur, G. P., Butler, T., Cameron-Smith, P., Collins, W. D., Collins, W. J., Granier, C., Hauglustaine, D., Hess, P. G., Holland, E. A., Horowitz, L., Lawrence, M. G., McKenna, D., Merilees, P., Prather, M. J., Rasch, P. J., Rotman, D., Shindell, D., and Thornton, P.: Assessing future nitrogen deposition and carbon cycle feedback using a multimodel approach: Analysis of nitrogen deposition, J. Geophys, Res., 110, D19, doi:10.1029/2005JD005825, 2005.
58. Leibensperger, E. M., Mickley, L. J., and Jacob, D. J.: Sensitivity of US air quality to mid-latitude cyclone frequency and implications of 1980-2006 climate change, Atmos. Chem. Phys., 8, 7075-7086, doi:10.5194/acp-8-7075-2008, 2008.
59. Li, Q., Jacob, D., Bey, I., Palmer, P., Duncan, B., Field, B., Martin, R., Fiore, A., Yantosca, R., Parrish, D., Simmonds, P., and Oltmans, S.: Transatlantic transport of pollution and its effects on surface ozone in Europe and North America, J. Geophys. Res., 107,D13, doi:10.1029/2001JD001422, 2002.
60. Li, Q., Jacob, D., Park, R., Wang, Y., Heald, C., Hudman, R., Yantosca, R., Martin, R., and Evans, M.: North American pollution outflow and the trapping of convectively lifted pollution by upper-level anticyclone, J. Geophys. Res., 110, D10301, doi:10.1029/2004JD005039, 2005.
61. Lin, M., Fiore, A. M., Cooper, O. R., Horowitz, L. W., Langford, A. O., Levy, H., Johnson, B. J., Naik, V., Oltmans, S. J., and Senff, C. J.: Springtime high surface ozone events over the western United States: Quantifying the role of stratospheric intrusions, J. Geophys. Res., 117, D21, doi:10.1029/2012JD018151, 2012a.
62. Lin, M., Fiore, A. M., Horowitz, L. W., Cooper, O. R., Naik, V., Holloway, J., Johnson, B. J., Middlebrook, A. M., Oltmans, S. J., Pollack, I. B., Ryerson, T. B., Warner, J. X., Wiedinmyer, C., Wilson, J., and Wyman, B.: Transport of Asian ozone pollution into surface air over the western United States in spring, J. Geophys. Res., 117, D21, doi:10.1029/2011JD016961, 2012b.
63. Lin, M., Horowitz, L. W., Oltmans, S. J., Fiore, A. M., and Fan, S.: Tropospheric ozone trends at mauna loa observatory tied to decadal climate variability. Nat. Geosci., 7, 136-143, 2014.
64. Manobianco, J.: Explosive east coast cyclogenesis over the westcentral North Atlantic Ocean: a composite study derived from ECMWF operational analyses, Mon. Weather Rev., 117, 2365-2383, 1989.
65. Marenco, A., Thouret, V., Nédélec, P., Smit, H., Helten, M., Kley, D., Karcher, F., Simon, P., Law, K., Pyle, J., Poschmann, G., Von Wrede, R., Hume, C., and Cook, T.: Measurement of ozone and water vapor by Airbus in-service aircraft: the MOZAIC airborne program, an overview, J. Geophys. Res., 103, 25631-25642, doi:10.1029/98JD00977, 1998.
66. Mickley, L., Jacob, D., Field, B., and Rind, D.: Effects of future climate change on regional air pollution episodes in the United States, Geophys. Res. Lett., 31, L24103, doi:10.1029/2004GL021216, 2004.
67. Monks, P. S.: A review of the observations and origins of the spring ozone maximum, Atmos. Environ., 34, 3545-3561, 2000.
68. Monks, P. S., Granier, C., Fuzzi, S., Stohl, A., Williams, M. L., Akimoto, H., Amann, M., Baklanov, A., Baltensperger, U., Bey, I., Blake, N., Blake, R. S., Carslaw, K., Cooper, O. R., Dentener, F., Fowler, D., Fragkou, E., Frost, G. J., Generoso, S., Ginoux, P., Grewe, V., Guenther, A., Hansson, H. C., Henne, S., Hjorth, J., Hofzumahaus, A., Huntrieser, H., Isaksen, I. S. A., Jenkin, M. E., Kaiser, J., Kanakidou, M., Klimont, Z., Kulmala, M., Laj, P., Lawrence, M. G., Lee, J. D., Liousse, C., Maione, M., Mc- Figgans, G., Metzger, A., Mieville, A., Moussiopoulos, N., Orlando, J. J., O'Dowd, C. D., Palmer, P. I., Parrish, D. D., Petzold, A., Platt, U., Pöschl, U., Prévôt, A., Reeves, C. E., Reimann, S., Rudich, Y., Sellegri, K., Steinbrecher, R., Simpson, D., ten Brink, H., Theloke, J., van der Werf, G. R., Vautard, R., Vestreng, V., Vlachokostas, Ch., and von Glasow, R.: Atmospheric composition change - global and regional air quality, Atmos. Environ., 43, 5268-5350, doi:10.1016/j.atmosenv.2009.08.021, ACCENT Synthesis, 2009.
69. Morcrette, J.-J., Boucher, O., Jones, L., Salmond, D., Bechtold, P., Beljaars, A., Benedetti, A., Bonet, A., Kaiser, J. W., Razinger, M., Schulz, M., Serrar, S., Simmons, A. J., Sofiev, M., Suttie, M., Tompkins, A. M., and Untch, A.: Aerosol analysis and forecast in the European Centre for Medium-RangeWeather Forecasts Integrated Forecast System: Forward modeling, J. Geophys. Res., 114, D6, doi:10.1029/2008JD011235, 2009.
70. Moss, R. H., Edmonds, J. A., Hibbard, K. A., Manning, M. R., Rose, S. K., van Vuuren, D. P., Carter, T. R., Emori, S., Kainuma, M., Kram, T., Meehl, G. A., Mitchell, J. F. B., Nakicenovic, N., Riahi, K., Smith, S. J., Stouffer, R. J., Thomson, A. M., Weyant, J. P., and Wilbanks, T. J.: The next generation of scenarios for climate change research and assessment, Nature, 463, 747-756, 2010.
71. Nedelec, P., Cammas, J.-P., Thouret, V., Athier, G., Cousin, J.-M., Legrand, C., Abonnel, C., Lecoeur, F., Cayez, G., and Marizy, C.: An improved infrared carbon monoxide analyser for routine measurements aboard commercial Airbus aircraft: technical validation and first scientific results of the MOZAIC III programme, Atmos. Chem. Phys., 3, 1551-1564, doi:10.5194/acp-3-1551-2003, 2003.
72. Oltmans, S., Lefohn, A., Harris, J., Galbally, I., Scheel, H., Bodeker, G., Brunke, E., Claude, H., Tarasick, D., Johnson, B., Simmonds, P., Shadwick, D., Anlauf, K., Hayden, K., Schmidlin, F., Fujimoto, T., Akagi, K., Meyer, C., Nichol, S., Davies, J., Redondas, A., and Cuevas, E.: Long-term changes in tropospheric ozone, Atmos. Environ., 40, 3156-3173, doi:10.1016/j.atmosenv.2006.01.029, 2006.
73. Owen, R. C., Cooper, O. R., Stohl, A., and Honrath, R. E.: 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, 2006.
74. Parrish, D. D., Law, K. S., Staehelin, J., Derwent, R., Cooper, O. R., Tanimoto, H., Volz-Thomas, A., Gilge, S., Scheel, H.-E., Steinbacher, M., and Chan, E.: Long-term changes in lower tropospheric baseline ozone concentrations at northern mid-latitudes, Atmos. Chem. Phys., 12, 11485-11504, doi:10.5194/acp-12-11485-2012, 2012.
75. Pausata, F. S. R., Pozzoli, L., Vignati, E., and Dentener, F. J.: North Atlantic Oscillation and tropospheric ozone variability in Europe: model analysis and measurements intercomparison, Atmos. Chem. Phys., 12, 6357-6376, doi:10.5194/acp-12-6357-2012, 2012.
76. Polvani, L. M. and Esler, J. G.: Transport and mixing of chemical air masses in idealized baroclinic life cycles, J. Geophys. Res., 112, D23, doi:10.1029/2007JD008555, 2007.
77. Prather, M. J., Ehhalt, D., Dentener, F., Derwent, R., Dlugokencky, E., Holland, E., Isaksen, I., Katima, J., Kirchoff, V., Matson, P., Midgley, P., and Wang, M.: Atmospheric chemistry and greenhouse gases, in: Climate Change 2001: The Scientific Basis, Contribution of Working Group 1 to the Third Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Houghton, J. T., Ding, Y., Griggs, D. J., Noguer, M., van der Linden, P. J., Dai, X., Maskell, K. and Johnson, C. A., Cambridge University Press, Cambridge, UK, 239-288, 2001.
78. Price, C., Penner, J., and Prather, M.: NOx from lightning: 1. Global distribution based on lightning physics, J. Geophys. Res., 102, 5929-5941, doi:10.1029/96JD03504, 1997.
79. Schultz, D.: Reexamining the cold conveyor belt, Mon. Weather Rev., 129, 2205-2225, 2001.
80. Schultz, D., Keyser, D. and Bosart, L.: The effect of large-scale flow on low-level frontal structure and evolution in midlatitude cyclones, Mon. Weather Rev., 126, 1767-179, 1998.
81. Serreze, M.: Climstological aspects of cyclone and development and decay in the Arctic, Atmos. Ocean, 33, 1-23, 1995.
82. Stein, O.: Model documentation of the MOZART CTM as implemented in the GEMS system, available at: http://gems.ecmwf.int/do/get/PublicDocuments/1531/1172 (last access: 4 November 2013), 2009.
83. Stein, O., Flemming, J., Inness, A., Kaiser, J. W., and Schultz, M. G.: Global reactive gases forecasts and reanalysis in the MACC project, J. Integr. Environ. Sci., 9, 57-70, doi:10.1080/1943815X.2012.696545, 2012.
84. Stohl, A.: A 1-year Lagrangian "climatology" of airstreams in the northern hemisphere troposphere and lowermost stratosphere, J. Geophys. Res., 106, 7263-7279, doi:10.1029/2000JD900570, 2001.
85. Stohl, A. and Trickl, T.: A textbook example of long-range transport: Simultaneous observation of ozone maxima of stratospheric and North American origin in the free troposphere over Europe, J. Geophys. Res., 104, 30445-30462, doi:10.1029/1999JD900803, 1999.
86. Stohl, A., Hittenberger, M., and Wotawa, G.: Validation of the lagrangian particle dispersion model FLEXPART against largescale tracer experiment data, Atmos. Environ., 32, 4245-4264, doi:10.1016/S1352-2310(98)00184-8, 1998.
87. Stohl, A., Eckhardt, S., Forster, C., James, P., and Spichtinger, N.: On the pathways and timescales of intercontinental air pollution transport, J. Geophys. Res., 107, ACH 6-1-ACH 6-17, doi:10.1029/2001JD001396, 2002a.
88. Stohl, A., Eckhardt, S., Forster, C., James, P., Spichtinger, N., and Seibert, P.: A replacement for simple back trajectory calculations in the interpretation of atmospheric trace substance measurements, Atmos. Environ., 36, 4635-4648, doi:10.1016/S1352-2310(02)00416-8, 2002b.
89. Tang, Q., Prather, M. J., and Hsu, J.: Stratosphere-troposphere exchange ozone flux related to deep convection, Geophys. Res. Lett., 38, 3, doi:10.1029/2010GL046039, 2011.
90. Thorncroft, C. D., Hoskins, B. J., and McIntyre, M. E.: Two paradigms of baroclinic-wave life-cycle behaviour, Q. J. Roy. Meteorol. Soc., 119, 17-55, 1993.
91. van der Werf, G. R., Randerson, J. T., Giglio, L., Collatz, G. J., Mu, M., Kasibhatla, P. S., Morton, D. C., DeFries, R. S., Jin, Y., and van Leeuwen, T. T.: Global fire emissions and the contribution of deforestation, savanna, forest, agricultural, and peat fires (1997-2009), Atmos. Chem. Phys., 10, 11707-11735, doi:10.5194/acp-10-11707-2010, 2010.
92. Wang, C.-C. and Rogers, J. C.: A composite study of explosive cyclogenesis in different sectors of the North Atlantic. Part I: Cyclone structure and evolution, Mon. Weather Rev., 129, 1481-1499, 2001.
93. Zhang, L., Jacob, D. J., Boersma, K. F., Jaffe, D. A., Olson, J. R., Bowman, K. W., Worden, J. R., Thompson, A. M., Avery, M. A., Cohen, R. C., Dibb, J. E., Flock, F. M., Fuelberg, H. E., Huey, L. G., McMillan, W. W., Singh, H. B., and Weinheimer, A. J.: Transpacific transport of ozone pollution and the effect of recent Asian emission increases on air quality in North America: an integrated analysis using satellite, aircraft, ozonesonde, and surface observations, Atmos. Chem. Phys., 8, 6117-6136, doi:10.5194/acp-8-6117-2008, 2008.