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@ARTICLE{Berkes:276603,
author = {Berkes, Florian and Hoor, P. and Bozem, H. and Kunkel, D.
and Sprenger, M. and Henne, S.},
title = {{A}irborne observation of mixing across the entrainment
zone during {PARADE} 2011},
journal = {Atmospheric chemistry and physics / Discussions},
volume = {15},
number = {20},
issn = {1680-7375},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2015-06957},
pages = {29171 - 29212},
year = {2015},
abstract = {This study presents the analysis of the structure and air
mass characteristics of the lower atmosphere during the
field campaign PARADE (PArticles and RAdicals: Diel
observations of the impact of urban and biogenic Emissions)
on Mount Kleiner Feldberg in southwestern Germany during
late summer 2011. We analysed measurements of meteorological
variables (temperature, moisture, pressure, wind speed and
direction) from radio soundings and of chemical tracers
(carbon dioxide, ozone) from aircraft measurements. We focus
on the thermodynamic and dynamic properties, that control
the chemical distribution of atmospheric constituents in the
boundary layer. We show that the evolution of tracer
profiles of CO2 and O3 indicate mixing across the inversion
layer (or entrainment zone). This finding is supported by
the analysis of tracer–tracer correlations which are
indicative for mixing and the relation of tracer profiles in
relation to the evolution of the boundary layer height
deduced from radio soundings. The study shows the relevance
of entrainment processes for the lower troposphere in
general and specifically that the tracer–tracer
correlation method can be used to identify mixing and
irreversible exchange processes across the inversion layer.},
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/acpd-15-29171-2015},
url = {https://juser.fz-juelich.de/record/276603},
}