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@ARTICLE{Hohaus:473035,
author = {Hohaus, T. and Kuhn, U. and Andres, S. and Kaminski, Martin
and Rohrer, F. and Tillmann, R. and Wahner, A. and Wegener,
R. and Yu, Z. and Kiendler-Scharr, Astrid},
title = {{A} new plant chamber facility, {PLUS}, coupled to the
atmosphere simulation chamber {SAPHIR}},
journal = {Atmospheric measurement techniques},
volume = {9},
number = {3},
issn = {1867-8548},
address = {Katlenburg-Lindau},
publisher = {Copernicus},
reportid = {FZJ-2016-02078},
pages = {1247 - 1259},
year = {2016},
abstract = {A new PLant chamber Unit for Simulation (PLUS) for use with
the atmosphere simulation chamber SAPHIR (Simulation of
Atmospheric PHotochemistry In a large Reaction Chamber) has
been built and characterized at the Forschungszentrum
Jülich GmbH, Germany. The PLUS chamber is an
environmentally controlled flow-through plant chamber.
Inside PLUS the natural blend of biogenic emissions of trees
is mixed with synthetic air and transferred to the SAPHIR
chamber, where the atmospheric chemistry and the impact of
biogenic volatile organic compounds (BVOCs) can be studied
in detail. In PLUS all important environmental parameters
(e.g., temperature, photosynthetically active radiation
(PAR), soil relative humidity (RH)) are well controlled. The
gas exchange volume of 9.32 m3 which encloses the stem and
the leaves of the plants is constructed such that gases are
exposed to only fluorinated ethylene propylene (FEP) Teflon
film and other Teflon surfaces to minimize any potential
losses of BVOCs in the chamber. Solar radiation is simulated
using 15 light-emitting diode (LED) panels, which have an
emission strength up to 800 µmol m−2 s−1. Results
of the initial characterization experiments are presented in
detail. Background concentrations, mixing inside the gas
exchange volume, and transfer rate of volatile organic
compounds (VOCs) through PLUS under different humidity
conditions are explored. Typical plant characteristics such
as light- and temperature- dependent BVOC emissions are
studied using six Quercus ilex trees and compared to
previous studies. Results of an initial ozonolysis
experiment of BVOC emissions from Quercus ilex at typical
atmospheric concentrations inside SAPHIR are presented to
demonstrate a typical experimental setup and the utility of
the newly added plant chamber.},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {243 - Tropospheric trace substances and their
transformation processes (POF3-243) / HITEC - Helmholtz
Interdisciplinary Doctoral Training in Energy and Climate
Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-243 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000375613600025},
doi = {10.5194/amt-9-1247-2016},
url = {https://juser.fz-juelich.de/record/473035},
}