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A multi-model analysis of vertical ozone profiles

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A multi-model analysis of vertical ozone profiles. / Jonson, J. E.; Stohl, A.; Fiore, A. M.; Hess, P.; Szopa, S.; Wild, O.; Zeng, G.; Dentener, F. J.; Lupu, A.; Schultz, M. G.; Duncan, B. N.; Sudo, K.; Wind, P.; Schulz, M.; Marmer, E.; Cuvelier, C.; Keating, T.; Zuber, A.; Valdebenito, A.; Dorokhov, V.; De Backer, H.; Davies, J.; Chen, G. H.; Johnson, B.; Tarasick, D. W.; Stuebi, R.; Newchurch, M. J.; von der Gathen, P.; Steinbrecht, W.; Claude, H.

In: Atmospheric Chemistry and Physics , Vol. 10, No. 12, 30.06.2010, p. 5759-5783.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Jonson, JE, Stohl, A, Fiore, AM, Hess, P, Szopa, S, Wild, O, Zeng, G, Dentener, FJ, Lupu, A, Schultz, MG, Duncan, BN, Sudo, K, Wind, P, Schulz, M, Marmer, E, Cuvelier, C, Keating, T, Zuber, A, Valdebenito, A, Dorokhov, V, De Backer, H, Davies, J, Chen, GH, Johnson, B, Tarasick, DW, Stuebi, R, Newchurch, MJ, von der Gathen, P, Steinbrecht, W & Claude, H 2010, 'A multi-model analysis of vertical ozone profiles', Atmospheric Chemistry and Physics , vol. 10, no. 12, pp. 5759-5783. https://doi.org/10.5194/acp-10-5759-2010

APA

Jonson, J. E., Stohl, A., Fiore, A. M., Hess, P., Szopa, S., Wild, O., Zeng, G., Dentener, F. J., Lupu, A., Schultz, M. G., Duncan, B. N., Sudo, K., Wind, P., Schulz, M., Marmer, E., Cuvelier, C., Keating, T., Zuber, A., Valdebenito, A., ... Claude, H. (2010). A multi-model analysis of vertical ozone profiles. Atmospheric Chemistry and Physics , 10(12), 5759-5783. https://doi.org/10.5194/acp-10-5759-2010

Vancouver

Jonson JE, Stohl A, Fiore AM, Hess P, Szopa S, Wild O et al. A multi-model analysis of vertical ozone profiles. Atmospheric Chemistry and Physics . 2010 Jun 30;10(12):5759-5783. https://doi.org/10.5194/acp-10-5759-2010

Author

Jonson, J. E. ; Stohl, A. ; Fiore, A. M. ; Hess, P. ; Szopa, S. ; Wild, O. ; Zeng, G. ; Dentener, F. J. ; Lupu, A. ; Schultz, M. G. ; Duncan, B. N. ; Sudo, K. ; Wind, P. ; Schulz, M. ; Marmer, E. ; Cuvelier, C. ; Keating, T. ; Zuber, A. ; Valdebenito, A. ; Dorokhov, V. ; De Backer, H. ; Davies, J. ; Chen, G. H. ; Johnson, B. ; Tarasick, D. W. ; Stuebi, R. ; Newchurch, M. J. ; von der Gathen, P. ; Steinbrecht, W. ; Claude, H. / A multi-model analysis of vertical ozone profiles. In: Atmospheric Chemistry and Physics . 2010 ; Vol. 10, No. 12. pp. 5759-5783.

Bibtex

@article{5827829978244804a5ae84708fb5ee54,
title = "A multi-model analysis of vertical ozone profiles",
abstract = "A multi-model study of the long-range transport of ozone and its precursors from major anthropogenic source regions was coordinated by the Task Force on Hemispheric Transport of Air Pollution (TF HTAP) under the Convention on Long-range Transboundary Air Pollution (LRTAP). Vertical profiles of ozone at 12-h intervals from 2001 are available from twelve of the models contributing to this study and are compared here with observed profiles from ozonesondes. The contributions from each major source region are analysed for selected sondes, and this analysis is supplemented by retroplume calculations using the FLEXPART Lagrangian particle dispersion model to provide insight into the origin of ozone transport events and the cause of differences between the models and observations.In the boundary layer ozone levels are in general strongly affected by regional sources and sinks. With a considerably longer lifetime in the free troposphere, ozone here is to a much larger extent affected by processes on a larger scale such as intercontinental transport and exchange with the stratosphere. Such individual events are difficult to trace over several days or weeks of transport. This may explain why statistical relationships between models and ozonesonde measurements are far less satisfactory than shown in previous studies for surface measurements at all seasons. The lowest bias between model-calculated ozone profiles and the ozonesonde measurements is seen in the winter and autumn months. Following the increase in photochemical activity in the spring and summer months, the spread in model results increases, and the agreement between ozonesonde measurements and the individual models deteriorates further.At selected sites calculated contributions to ozone levels in the free troposphere from intercontinental transport are shown. Intercontinental transport is identified based on differences in model calculations with unperturbed emissions and emissions reduced by 20% by region. Intercontinental transport of ozone is finally determined based on differences in model ensemble calculations. With emissions perturbed by 20% per region, calculated intercontinental contributions to ozone in the free troposphere range from less than 1 ppb to 3 ppb, with small contributions in winter. The results are corroborated by the retroplume calculations. At several locations the seasonal contributions to ozone in the free troposphere from intercontinental transport differ from what was shown earlier at the surface using the same dataset. The large spread in model results points to a need of further evaluation of the chemical and physical processes in order to improve the credibility of global model results.",
keywords = "DISPERSION MODEL FLEXPART, TRANSPORT, EUROPE",
author = "Jonson, {J. E.} and A. Stohl and Fiore, {A. M.} and P. Hess and S. Szopa and O. Wild and G. Zeng and Dentener, {F. J.} and A. Lupu and Schultz, {M. G.} and Duncan, {B. N.} and K. Sudo and P. Wind and M. Schulz and E. Marmer and C. Cuvelier and T. Keating and A. Zuber and A. Valdebenito and V. Dorokhov and {De Backer}, H. and J. Davies and Chen, {G. H.} and B. Johnson and Tarasick, {D. W.} and R. Stuebi and Newchurch, {M. J.} and {von der Gathen}, P. and W. Steinbrecht and H. Claude",
year = "2010",
month = jun,
day = "30",
doi = "10.5194/acp-10-5759-2010",
language = "English",
volume = "10",
pages = "5759--5783",
journal = "Atmospheric Chemistry and Physics ",
issn = "1680-7316",
publisher = "Copernicus GmbH (Copernicus Publications) on behalf of the European Geosciences Union (EGU)",
number = "12",

}

RIS

TY - JOUR

T1 - A multi-model analysis of vertical ozone profiles

AU - Jonson, J. E.

AU - Stohl, A.

AU - Fiore, A. M.

AU - Hess, P.

AU - Szopa, S.

AU - Wild, O.

AU - Zeng, G.

AU - Dentener, F. J.

AU - Lupu, A.

AU - Schultz, M. G.

AU - Duncan, B. N.

AU - Sudo, K.

AU - Wind, P.

AU - Schulz, M.

AU - Marmer, E.

AU - Cuvelier, C.

AU - Keating, T.

AU - Zuber, A.

AU - Valdebenito, A.

AU - Dorokhov, V.

AU - De Backer, H.

AU - Davies, J.

AU - Chen, G. H.

AU - Johnson, B.

AU - Tarasick, D. W.

AU - Stuebi, R.

AU - Newchurch, M. J.

AU - von der Gathen, P.

AU - Steinbrecht, W.

AU - Claude, H.

PY - 2010/6/30

Y1 - 2010/6/30

N2 - A multi-model study of the long-range transport of ozone and its precursors from major anthropogenic source regions was coordinated by the Task Force on Hemispheric Transport of Air Pollution (TF HTAP) under the Convention on Long-range Transboundary Air Pollution (LRTAP). Vertical profiles of ozone at 12-h intervals from 2001 are available from twelve of the models contributing to this study and are compared here with observed profiles from ozonesondes. The contributions from each major source region are analysed for selected sondes, and this analysis is supplemented by retroplume calculations using the FLEXPART Lagrangian particle dispersion model to provide insight into the origin of ozone transport events and the cause of differences between the models and observations.In the boundary layer ozone levels are in general strongly affected by regional sources and sinks. With a considerably longer lifetime in the free troposphere, ozone here is to a much larger extent affected by processes on a larger scale such as intercontinental transport and exchange with the stratosphere. Such individual events are difficult to trace over several days or weeks of transport. This may explain why statistical relationships between models and ozonesonde measurements are far less satisfactory than shown in previous studies for surface measurements at all seasons. The lowest bias between model-calculated ozone profiles and the ozonesonde measurements is seen in the winter and autumn months. Following the increase in photochemical activity in the spring and summer months, the spread in model results increases, and the agreement between ozonesonde measurements and the individual models deteriorates further.At selected sites calculated contributions to ozone levels in the free troposphere from intercontinental transport are shown. Intercontinental transport is identified based on differences in model calculations with unperturbed emissions and emissions reduced by 20% by region. Intercontinental transport of ozone is finally determined based on differences in model ensemble calculations. With emissions perturbed by 20% per region, calculated intercontinental contributions to ozone in the free troposphere range from less than 1 ppb to 3 ppb, with small contributions in winter. The results are corroborated by the retroplume calculations. At several locations the seasonal contributions to ozone in the free troposphere from intercontinental transport differ from what was shown earlier at the surface using the same dataset. The large spread in model results points to a need of further evaluation of the chemical and physical processes in order to improve the credibility of global model results.

AB - A multi-model study of the long-range transport of ozone and its precursors from major anthropogenic source regions was coordinated by the Task Force on Hemispheric Transport of Air Pollution (TF HTAP) under the Convention on Long-range Transboundary Air Pollution (LRTAP). Vertical profiles of ozone at 12-h intervals from 2001 are available from twelve of the models contributing to this study and are compared here with observed profiles from ozonesondes. The contributions from each major source region are analysed for selected sondes, and this analysis is supplemented by retroplume calculations using the FLEXPART Lagrangian particle dispersion model to provide insight into the origin of ozone transport events and the cause of differences between the models and observations.In the boundary layer ozone levels are in general strongly affected by regional sources and sinks. With a considerably longer lifetime in the free troposphere, ozone here is to a much larger extent affected by processes on a larger scale such as intercontinental transport and exchange with the stratosphere. Such individual events are difficult to trace over several days or weeks of transport. This may explain why statistical relationships between models and ozonesonde measurements are far less satisfactory than shown in previous studies for surface measurements at all seasons. The lowest bias between model-calculated ozone profiles and the ozonesonde measurements is seen in the winter and autumn months. Following the increase in photochemical activity in the spring and summer months, the spread in model results increases, and the agreement between ozonesonde measurements and the individual models deteriorates further.At selected sites calculated contributions to ozone levels in the free troposphere from intercontinental transport are shown. Intercontinental transport is identified based on differences in model calculations with unperturbed emissions and emissions reduced by 20% by region. Intercontinental transport of ozone is finally determined based on differences in model ensemble calculations. With emissions perturbed by 20% per region, calculated intercontinental contributions to ozone in the free troposphere range from less than 1 ppb to 3 ppb, with small contributions in winter. The results are corroborated by the retroplume calculations. At several locations the seasonal contributions to ozone in the free troposphere from intercontinental transport differ from what was shown earlier at the surface using the same dataset. The large spread in model results points to a need of further evaluation of the chemical and physical processes in order to improve the credibility of global model results.

KW - DISPERSION MODEL FLEXPART

KW - TRANSPORT

KW - EUROPE

U2 - 10.5194/acp-10-5759-2010

DO - 10.5194/acp-10-5759-2010

M3 - Journal article

VL - 10

SP - 5759

EP - 5783

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 12

ER -