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  Seasonal characteristics of tropospheric ozone production and mixing ratios over East Asia: A global three-dimensional chemical transport model analysis

Mauzerall, D., Narita, D., Akimoto, H., Horowitz, L., Walters, S., Hauglustaine, D., et al. (2000). Seasonal characteristics of tropospheric ozone production and mixing ratios over East Asia: A global three-dimensional chemical transport model analysis. Journal of Geophysical Research-Atmospheres, 105, 17895-17910. doi:10.1029/2000JD900087.

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Mauzerall_et_al-2000-Journal_of_Geophysical_Research__Atmospheres.pdf (Publisher version), 3MB
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 Creators:
Mauzerall, D.L.1, Author
Narita, D.1, Author
Akimoto, H.1, Author
Horowitz, L.1, Author
Walters, S.1, Author
Hauglustaine, D.A.1, Author
Brasseur, Guy P.2, Author                 
Affiliations:
1external, ou_persistent22              
2The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913550              

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 Abstract: We examine seasonal and geographical distributions of tropospheric ozone
production and mixing ratios over East Asia with a global
three-dimensional chemical transport model called Model of Ozone and
Related Tracers, version 1 (MOZART 1). Net ozone production within the
East Asian boundary layer exhibits three distinct seasonal cycles
depending on region (north of 20 degrees N, 5-20 degrees N and south of
5 degrees N). North of 20 degrees N, net ozone production over East Asia
from spring through autumn is found to have a maximum extending from 25
degrees N-40 degrees N and from central eastern China to Japan,
resulting from the strong emission and transport of anthropogenic O-3
precursors. In winter, maximum O-3 production in this region occurs
between 20 degrees N and 30 degrees N, This is a region of long-range
transport. Over the Indochina peninsula, between 5 degrees N and 20
degrees N, net O-3 production is controlled by the seasonal cycle
between wet and dry seasons and has a maximum at the end of the dry
season due to emissions from biomass burning. South of 5 degrees N, in
the true tropics, O-3 mixing ratios are relatively constant throughout
the year and do not exhibit a seasonal cycle. A spring-summer maximum of
net O-3 production is found throughout the troposphere in East Asia. We
estimate an annual net O-3 production in East Asia of 117 Tg/yr, Both
model results and analysis of measurements of O-3/CO correlations over
East Asia and Japan show strong variability as a function of both
photochemical activity and seasonal meteorology, and indicate ozone
export off the coast of East Asia in spring. An upper estimate of O-3
export from East Asia to the Pacific Ocean in the mid-1980s of 3.3
Gmol/d (58 Tg/yr) is obtained.

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Language(s): eng - English
 Dates: 2000-07-27
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: ISI: 000088368700015
DOI: 10.1029/2000JD900087
 Degree: -

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Title: Journal of Geophysical Research-Atmospheres
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union
Pages: - Volume / Issue: 105 Sequence Number: - Start / End Page: 17895 - 17910 Identifier: ISSN: 0148-0227
CoNE: https://pure.mpg.de/cone/journals/resource/991042728714264_1