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@ARTICLE{Hohaus:276282,
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, A.},
title = {{A} new plant chamber facility {PLUS} coupled to the
atmospheric simulation chamber {SAPHIR}},
journal = {Atmospheric measurement techniques discussions},
volume = {8},
number = {11},
issn = {1867-8610},
address = {Katlenburg-Lindau},
publisher = {Copernicus},
reportid = {FZJ-2015-06743},
pages = {11779 - 11816},
year = {2015},
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 build 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
are mixed with synthetic air and are transferred to the
SAPHIR chamber where the atmospheric chemistry and the
impact of biogenic volatile organic compounds (BVOC) can be
studied in detail. In PLUS all important enviromental
parameters (e.g. temperature, PAR, soil RH etc.) are
well-controlled. The gas exchange volume of 9.32 m3 which
encloses the stem and the leafes of the plants is
constructed such that gases are exposed to FEP Teflon film
and other Teflon surfaces only to minimize any potential
losses of BVOCs in the chamber. Solar radiation is simulated
using 15 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
(VOC) 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
set up 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},
doi = {10.5194/amtd-8-11779-2015},
url = {https://juser.fz-juelich.de/record/276282},
}