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The influence of foreign vs. North American emissions on surface ozone in the US.

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The influence of foreign vs. North American emissions on surface ozone in the US. / Reidmiller, D. R.; Fiore, Arlene M.; Jaffe, D. A. et al.
In: Atmospheric Chemistry and Physics , Vol. 9, No. 14, 27.07.2009, p. 5027-5042.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Reidmiller, DR, Fiore, AM, Jaffe, DA, Bergmann, D, Cuvelier, C, Dentener, FJ, Duncan, BN, Folberth, G, Gauss, M, Gong, S, Hess, P, Jonson, JE, Keating, T, Lupu, A, Marmer, E, Park, R, Schultz, MG, Shindell, DT, Szopa, S, Vivanco, MG, Wild, O & Zuber, A 2009, 'The influence of foreign vs. North American emissions on surface ozone in the US.', Atmospheric Chemistry and Physics , vol. 9, no. 14, pp. 5027-5042. <http://www.atmos-chem-phys.net/9/5027/2009/acp-9-5027-2009.html>

APA

Reidmiller, D. R., Fiore, A. M., Jaffe, D. A., Bergmann, D., Cuvelier, C., Dentener, F. J., Duncan, B. N., Folberth, G., Gauss, M., Gong, S., Hess, P., Jonson, J. E., Keating, T., Lupu, A., Marmer, E., Park, R., Schultz, M. G., Shindell, D. T., Szopa, S., ... Zuber, A. (2009). The influence of foreign vs. North American emissions on surface ozone in the US. Atmospheric Chemistry and Physics , 9(14), 5027-5042. http://www.atmos-chem-phys.net/9/5027/2009/acp-9-5027-2009.html

Vancouver

Reidmiller DR, Fiore AM, Jaffe DA, Bergmann D, Cuvelier C, Dentener FJ et al. The influence of foreign vs. North American emissions on surface ozone in the US. Atmospheric Chemistry and Physics . 2009 Jul 27;9(14):5027-5042.

Author

Reidmiller, D. R. ; Fiore, Arlene M. ; Jaffe, D. A. et al. / The influence of foreign vs. North American emissions on surface ozone in the US. In: Atmospheric Chemistry and Physics . 2009 ; Vol. 9, No. 14. pp. 5027-5042.

Bibtex

@article{fd8c0b88f62f4d5ebe20d7393ca2bacc,
title = "The influence of foreign vs. North American emissions on surface ozone in the US.",
abstract = "As part of the Hemispheric Transport of Air Pollution (HTAP; http:// www.htap.org) project, we analyze results from 15 global and 1 hemispheric chemical transport models and compare these to Clean Air Status and Trends Network (CASTNet) observations in the United States (US) for 2001. Using the policy-relevant maximum daily 8-h average ozone (MDA8 O3) statistic, the multi-model ensemble represents the observations well (mean r2=0.57, ensemble bias = +4.1 ppbv for all US regions and all seasons) despite a wide range in the individual model results. Correlations are strongest in the northeastern US during spring and fall (r2=0.68); and weakest in the midwestern US in summer (r2=0.46). However, large positive mean biases exist during summer for all eastern US regions, ranging from 10–20 ppbv, and a smaller negative bias is present in the western US during spring (~3 ppbv). In nearly all other regions and seasons, the biases of the model ensemble simulations are ≤5 ppbv. Sensitivity simulations in which anthropogenic O3-precursor emissions (NOx + NMVOC + CO + aerosols) were decreased by 20% in four source regions: East Asia (EA), South Asia (SA), Europe (EU) and North America (NA) show that the greatest response of MDA8 O3 to the summed foreign emissions reductions occurs during spring in the West (0.9 ppbv reduction due to 20% emissions reductions from EA + SA + EU). East Asia is the largest contributor to MDA8 O3 at all ranges of the O3 distribution for most regions (typically ~0.45 ppbv) followed closely by Europe. The exception is in the northeastern US where emissions reductions in EU had a slightly greater influence than EA emissions, particularly in the middle of the MDA8 O3 distribution (response of ~0.35 ppbv between 35–55 ppbv). EA and EU influences are both far greater (about 4x) than that from SA in all regions and seasons. In all regions and seasons O3-precursor emissions reductions of 20% in the NA source region decrease MDA8 O3 the most – by a factor of 2 to nearly 10 relative to foreign emissions reductions. The O3 response to anthropogenic NA emissions is greatest in the eastern US during summer at the high end of the O3 distribution (5–6 ppbv for 20% reductions). While the impact of foreign emissions on surface O3 in the US is not negligible – and is of increasing concern given the recent growth in Asian emissions – domestic emissions reductions remain a far more effective means of decreasing MDA8 O3 values, particularly those above 75 ppb (the current US standard).",
keywords = "Long-range transport, tropospheric ozone, air quality",
author = "Reidmiller, {D. R.} and Fiore, {Arlene M.} and Jaffe, {D. A.} and D. Bergmann and C. Cuvelier and Dentener, {F. J.} and Duncan, {Bryan N.} and G. Folberth and M. Gauss and S. Gong and P. Hess and Jonson, {J. E.} and T. Keating and A. Lupu and E. Marmer and R. Park and Schultz, {M. G.} and Shindell, {D. T.} and S. Szopa and Vivanco, {M. G.} and Oliver Wild and A. Zuber",
year = "2009",
month = jul,
day = "27",
language = "English",
volume = "9",
pages = "5027--5042",
journal = "Atmospheric Chemistry and Physics ",
issn = "1680-7316",
publisher = "Copernicus GmbH (Copernicus Publications) on behalf of the European Geosciences Union (EGU)",
number = "14",

}

RIS

TY - JOUR

T1 - The influence of foreign vs. North American emissions on surface ozone in the US.

AU - Reidmiller, D. R.

AU - Fiore, Arlene M.

AU - Jaffe, D. A.

AU - Bergmann, D.

AU - Cuvelier, C.

AU - Dentener, F. J.

AU - Duncan, Bryan N.

AU - Folberth, G.

AU - Gauss, M.

AU - Gong, S.

AU - Hess, P.

AU - Jonson, J. E.

AU - Keating, T.

AU - Lupu, A.

AU - Marmer, E.

AU - Park, R.

AU - Schultz, M. G.

AU - Shindell, D. T.

AU - Szopa, S.

AU - Vivanco, M. G.

AU - Wild, Oliver

AU - Zuber, A.

PY - 2009/7/27

Y1 - 2009/7/27

N2 - As part of the Hemispheric Transport of Air Pollution (HTAP; http:// www.htap.org) project, we analyze results from 15 global and 1 hemispheric chemical transport models and compare these to Clean Air Status and Trends Network (CASTNet) observations in the United States (US) for 2001. Using the policy-relevant maximum daily 8-h average ozone (MDA8 O3) statistic, the multi-model ensemble represents the observations well (mean r2=0.57, ensemble bias = +4.1 ppbv for all US regions and all seasons) despite a wide range in the individual model results. Correlations are strongest in the northeastern US during spring and fall (r2=0.68); and weakest in the midwestern US in summer (r2=0.46). However, large positive mean biases exist during summer for all eastern US regions, ranging from 10–20 ppbv, and a smaller negative bias is present in the western US during spring (~3 ppbv). In nearly all other regions and seasons, the biases of the model ensemble simulations are ≤5 ppbv. Sensitivity simulations in which anthropogenic O3-precursor emissions (NOx + NMVOC + CO + aerosols) were decreased by 20% in four source regions: East Asia (EA), South Asia (SA), Europe (EU) and North America (NA) show that the greatest response of MDA8 O3 to the summed foreign emissions reductions occurs during spring in the West (0.9 ppbv reduction due to 20% emissions reductions from EA + SA + EU). East Asia is the largest contributor to MDA8 O3 at all ranges of the O3 distribution for most regions (typically ~0.45 ppbv) followed closely by Europe. The exception is in the northeastern US where emissions reductions in EU had a slightly greater influence than EA emissions, particularly in the middle of the MDA8 O3 distribution (response of ~0.35 ppbv between 35–55 ppbv). EA and EU influences are both far greater (about 4x) than that from SA in all regions and seasons. In all regions and seasons O3-precursor emissions reductions of 20% in the NA source region decrease MDA8 O3 the most – by a factor of 2 to nearly 10 relative to foreign emissions reductions. The O3 response to anthropogenic NA emissions is greatest in the eastern US during summer at the high end of the O3 distribution (5–6 ppbv for 20% reductions). While the impact of foreign emissions on surface O3 in the US is not negligible – and is of increasing concern given the recent growth in Asian emissions – domestic emissions reductions remain a far more effective means of decreasing MDA8 O3 values, particularly those above 75 ppb (the current US standard).

AB - As part of the Hemispheric Transport of Air Pollution (HTAP; http:// www.htap.org) project, we analyze results from 15 global and 1 hemispheric chemical transport models and compare these to Clean Air Status and Trends Network (CASTNet) observations in the United States (US) for 2001. Using the policy-relevant maximum daily 8-h average ozone (MDA8 O3) statistic, the multi-model ensemble represents the observations well (mean r2=0.57, ensemble bias = +4.1 ppbv for all US regions and all seasons) despite a wide range in the individual model results. Correlations are strongest in the northeastern US during spring and fall (r2=0.68); and weakest in the midwestern US in summer (r2=0.46). However, large positive mean biases exist during summer for all eastern US regions, ranging from 10–20 ppbv, and a smaller negative bias is present in the western US during spring (~3 ppbv). In nearly all other regions and seasons, the biases of the model ensemble simulations are ≤5 ppbv. Sensitivity simulations in which anthropogenic O3-precursor emissions (NOx + NMVOC + CO + aerosols) were decreased by 20% in four source regions: East Asia (EA), South Asia (SA), Europe (EU) and North America (NA) show that the greatest response of MDA8 O3 to the summed foreign emissions reductions occurs during spring in the West (0.9 ppbv reduction due to 20% emissions reductions from EA + SA + EU). East Asia is the largest contributor to MDA8 O3 at all ranges of the O3 distribution for most regions (typically ~0.45 ppbv) followed closely by Europe. The exception is in the northeastern US where emissions reductions in EU had a slightly greater influence than EA emissions, particularly in the middle of the MDA8 O3 distribution (response of ~0.35 ppbv between 35–55 ppbv). EA and EU influences are both far greater (about 4x) than that from SA in all regions and seasons. In all regions and seasons O3-precursor emissions reductions of 20% in the NA source region decrease MDA8 O3 the most – by a factor of 2 to nearly 10 relative to foreign emissions reductions. The O3 response to anthropogenic NA emissions is greatest in the eastern US during summer at the high end of the O3 distribution (5–6 ppbv for 20% reductions). While the impact of foreign emissions on surface O3 in the US is not negligible – and is of increasing concern given the recent growth in Asian emissions – domestic emissions reductions remain a far more effective means of decreasing MDA8 O3 values, particularly those above 75 ppb (the current US standard).

KW - Long-range transport

KW - tropospheric ozone

KW - air quality

M3 - Journal article

VL - 9

SP - 5027

EP - 5042

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 14

ER -