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@ARTICLE{Kloss:866364,
author = {Kloss, Corinna and Berthet, Gwenaël and Sellitto, Pasquale
and Ploeger, Felix and Bucci, Silvia and Khaykin, Sergey and
Jégou, Fabrice and Taha, Ghassan and Thomason, Larry W. and
Barret, Brice and Le Flochmoen, Eric and von Hobe, Marc and
Bossolasco, Adriana and Bègue, Nelson and Legras, Bernard},
title = {{T}ransport of the 2017 {C}anadian wildfire plume to the
tropics via the {A}sian monsoon circulation},
journal = {Atmospheric chemistry and physics},
volume = {19},
number = {21},
issn = {1680-7324},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2019-05520},
pages = {13547 - 13567},
year = {2019},
abstract = {We show that a fire plume injected into the lower
stratosphere at high northern latitudes during the Canadian
wildfire event in August 2017 partly reached the tropics.
The transport to the tropics was mediated by the
anticyclonic flow of the Asian monsoon circulation. The fire
plume reached the Asian monsoon area in late August/early
September, when the Asian monsoon anticyclone (AMA) was
still in place. While there is no evidence of mixing into
the center of the AMA, we show that a substantial part of
the fire plume is entrained into the anticyclonic flow at
the AMA edge and is transported from the extratropics to the
tropics, and possibly the Southern Hemisphere particularly
following the north–south flow on the eastern side of the
AMA. In the tropics the fire plume is lifted by ∼5 km in
7 months. Inside the AMA we find evidence of the Asian
tropopause aerosol layer (ATAL) in August, doubling
background aerosol conditions with a calculated top of the
atmosphere shortwave radiative forcing of
−0.05 W m−2. The regional climate impact of the fire
signal in the wider Asian monsoon area in September exceeds
the impact of the ATAL by a factor of 2–4 and compares to
that of a plume coming from an advected moderate volcanic
eruption. The stratospheric, trans-continental transport of
this plume to the tropics and the related regional climate
impact point to the importance of long-range dynamical
interconnections of pollution sources.},
cin = {IEK-7},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {244 - Composition and dynamics of the upper troposphere and
middle atmosphere (POF3-244)},
pid = {G:(DE-HGF)POF3-244},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000496543000002},
doi = {10.5194/acp-19-13547-2019},
url = {https://juser.fz-juelich.de/record/866364},
}