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@ARTICLE{CabreraPerez:838785,
author = {Cabrera-Perez, David and Taraborrelli, Domenico and
Lelieveld, Jos and Hoffmann, Thorsten and Pozzer, Andrea},
title = {{G}lobal impact of monocyclic aromatics on tropospheric
composition},
journal = {Atmospheric chemistry and physics / Discussions},
volume = {928},
issn = {1680-7375},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2017-07310},
pages = {1 - 25},
year = {2017},
abstract = {Aromatic compounds are reactive species influencing ozone
formation, OH concentrations and organic aerosol formation.
An assessment of their impacts on the gas-phase composition
at a global scale has been performed using a general
circulation atmospheric-chemistry model.Globally, we found a
small annual average net decrease (less than $3 \%)$ in
global OH, ozone, and NOx mixing ratios when aromatic
compounds are included in the chemical mechanism. This
inclusion of aromatics also results in CO mixing ratio
increases, which cause a general decrease in OH
concentrations. The largest changes are found in glyoxal and
NO3, with increases in the atmospheric burden of $10 \%$
and $6 \%,$ respectively.Regionally, significant
differences were found particularly in high NOx regime
areas, with an increase of up to $4 \%$ in O3 mixing
ratios and $8 \%$ in OH concentrations. NO3 increased by
more than $30 \%$ in several regions of the northern
hemisphere, and glyoxal increased up to $40 \%$ in Europe
and Asia. Large increases in formaldehyde were found in
urban areas.Although the relative impact of aromatics at the
global scale is limited, at a regional level they are
important in atmospheric chemistry.},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {243 - Tropospheric trace substances and their
transformation processes (POF3-243)},
pid = {G:(DE-HGF)POF3-243},
typ = {PUB:(DE-HGF)16},
doi = {10.5194/acp-2017-928},
url = {https://juser.fz-juelich.de/record/838785},
}