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Atmospheric transport of ozone between Southern and Eastern Asia

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Atmospheric transport of ozone between Southern and Eastern Asia. / Chakraborty, T.; Beig, G.; Dentener, F. J. et al.
In: Science of the Total Environment, Vol. 523, 01.08.2015, p. 28-39.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Chakraborty, T, Beig, G, Dentener, FJ & Wild, O 2015, 'Atmospheric transport of ozone between Southern and Eastern Asia', Science of the Total Environment, vol. 523, pp. 28-39. https://doi.org/10.1016/j.scitotenv.2015.03.066

APA

Chakraborty, T., Beig, G., Dentener, F. J., & Wild, O. (2015). Atmospheric transport of ozone between Southern and Eastern Asia. Science of the Total Environment, 523, 28-39. https://doi.org/10.1016/j.scitotenv.2015.03.066

Vancouver

Chakraborty T, Beig G, Dentener FJ, Wild O. Atmospheric transport of ozone between Southern and Eastern Asia. Science of the Total Environment. 2015 Aug 1;523:28-39. Epub 2015 Apr 7. doi: 10.1016/j.scitotenv.2015.03.066

Author

Chakraborty, T. ; Beig, G. ; Dentener, F. J. et al. / Atmospheric transport of ozone between Southern and Eastern Asia. In: Science of the Total Environment. 2015 ; Vol. 523. pp. 28-39.

Bibtex

@article{0dd09d0a4ffd4e4c8fa3449c2617f545,
title = "Atmospheric transport of ozone between Southern and Eastern Asia",
abstract = "This study describes the effect of pollution transport between East Asia and South Asia on tropospheric ozone (O3) using model results from the Task Force on Hemispheric Transport of Air Pollution (TF HTAP). Ensemble mean O3 concentrations are evaluated against satellite-data and ground observations of surface O3 at four stations in India. Although modeled surface O3 concentrations are 1020 ppb higher than those observed, the relative magnitude of the seasonal cycle of O3 is reproduced well. Using 20% reductions in regional anthropogenic emissions, we quantify the seasonal variations in pollution transport between East Asia and South Asia. While there is only a difference of 0.05 to 0.1 ppb in the magnitudes of the regional contributions from one region to the other, O3 from East Asian sources affects the most densely populated parts of South Asia while Southern Asian sources only partly affect the populated parts of East Asia. We show that emission changes over East Asia between 2000 and 2010 had a larger impact on populated parts of South Asia than vice versa. This study will help inform future decisions on emission control policy over these regions.",
keywords = "Pollution transport, HTAP, Ozone, East Asia, South Asia, SURFACE OZONE, AIR-QUALITY, NORTH-AMERICA, INTERCONTINENTAL TRANSPORT, TROPOSPHERIC OZONE, MODEL SIMULATIONS, NADIR RETRIEVALS, POLLUTION PLUME, PACIFIC, CHINA",
author = "T. Chakraborty and G. Beig and Dentener, {F. J.} and O. Wild",
year = "2015",
month = aug,
day = "1",
doi = "10.1016/j.scitotenv.2015.03.066",
language = "English",
volume = "523",
pages = "28--39",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Atmospheric transport of ozone between Southern and Eastern Asia

AU - Chakraborty, T.

AU - Beig, G.

AU - Dentener, F. J.

AU - Wild, O.

PY - 2015/8/1

Y1 - 2015/8/1

N2 - This study describes the effect of pollution transport between East Asia and South Asia on tropospheric ozone (O3) using model results from the Task Force on Hemispheric Transport of Air Pollution (TF HTAP). Ensemble mean O3 concentrations are evaluated against satellite-data and ground observations of surface O3 at four stations in India. Although modeled surface O3 concentrations are 1020 ppb higher than those observed, the relative magnitude of the seasonal cycle of O3 is reproduced well. Using 20% reductions in regional anthropogenic emissions, we quantify the seasonal variations in pollution transport between East Asia and South Asia. While there is only a difference of 0.05 to 0.1 ppb in the magnitudes of the regional contributions from one region to the other, O3 from East Asian sources affects the most densely populated parts of South Asia while Southern Asian sources only partly affect the populated parts of East Asia. We show that emission changes over East Asia between 2000 and 2010 had a larger impact on populated parts of South Asia than vice versa. This study will help inform future decisions on emission control policy over these regions.

AB - This study describes the effect of pollution transport between East Asia and South Asia on tropospheric ozone (O3) using model results from the Task Force on Hemispheric Transport of Air Pollution (TF HTAP). Ensemble mean O3 concentrations are evaluated against satellite-data and ground observations of surface O3 at four stations in India. Although modeled surface O3 concentrations are 1020 ppb higher than those observed, the relative magnitude of the seasonal cycle of O3 is reproduced well. Using 20% reductions in regional anthropogenic emissions, we quantify the seasonal variations in pollution transport between East Asia and South Asia. While there is only a difference of 0.05 to 0.1 ppb in the magnitudes of the regional contributions from one region to the other, O3 from East Asian sources affects the most densely populated parts of South Asia while Southern Asian sources only partly affect the populated parts of East Asia. We show that emission changes over East Asia between 2000 and 2010 had a larger impact on populated parts of South Asia than vice versa. This study will help inform future decisions on emission control policy over these regions.

KW - Pollution transport

KW - HTAP

KW - Ozone

KW - East Asia

KW - South Asia

KW - SURFACE OZONE

KW - AIR-QUALITY

KW - NORTH-AMERICA

KW - INTERCONTINENTAL TRANSPORT

KW - TROPOSPHERIC OZONE

KW - MODEL SIMULATIONS

KW - NADIR RETRIEVALS

KW - POLLUTION PLUME

KW - PACIFIC

KW - CHINA

U2 - 10.1016/j.scitotenv.2015.03.066

DO - 10.1016/j.scitotenv.2015.03.066

M3 - Journal article

VL - 523

SP - 28

EP - 39

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

ER -