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@INPROCEEDINGS{Groh:892636,
author = {Groh, Jannis and Diamantopoulos, Efstathios and Duan,
Xiaohong and Ewert, Frank and Heinlein, Florian and Herbst,
Michael and Holbak, Maja and Kamali, Bahareh and Kersebaum,
Kurt-Christian and Kuhnert, Matthias and Nendel, Claas and
Priesack, Eckart and Steidl, Jörg and Sommer, Michael and
Pütz, Thomas and Vanderborght, Jan and Vereecken, Harry and
Wallor, Evelyn and Weber, Tobias K. D. and Wegehenkel,
Martin and Weihermüller, Lutz and Gerke, Horst H.},
title = {{S}ame soil - different climate: crop model
inter-comparison with lysimeter data of translocated
monoliths},
reportid = {FZJ-2021-02225},
year = {2021},
abstract = {Crop model comparisons have mostly been carried out to test
predictive ability under previous climate conditions and for
soils of the same location. However, the ability of
individual agricultural models to predict the effects of
changes in climatic conditions on soil-ecosystems beyond the
range of site-specific variability is unknown. The objective
of this study was to test the predictive ability of
agroecosystem models using weighable lysimeter data for the
same soil under changing climatic conditions and to compare
simulated plant growth and soil-ecosystem response to
climate change between these models. To achieve this, data
from the TERENO-SOILCan lysimeters-network for a
soil-ecosystem at the original site (Dedelow) and data from
the lysimeters with Dedelow soil monoliths transferred to
Bad $Lauchst\ädt$ and Selhausen were analysed. The
transfer of the soils took place to a drier and warmer
location (Bad $Lauchst\ädt)$ and to a warmer and wetter
location (Selhausen) compared to the original location of
the soils in Dedelow with the same crop rotation. After
model calibration for data from the original Dedelow site,
crop growth and soil water balances of transferred Dedelow
soil monoliths were predicted using the site-specific
boundary conditions and compared with the observations at
Selhausen and Bad $Lauchst\ädt.$ The overall simulation
output of the models was separated into a plant-related
part, ecosystem-productivity (grain yield, biomass, LAI) and
an environmental part, ecosystem-fluxes (evapotranspiration,
net-drainage, soil moisture). The results showed that when
the soil was transferred to a drier region, the agronomic
part of the crop models predicted well, and when the soil
was moved to wetter regions, the environmental flow part of
the models seemed to predict better. The results suggest
that accounting for climate change scenarios, more
consideration of soil properties and testing model
performance for conditions outside the calibrated range and
site-specific variability will help improve the models.},
month = {May},
date = {2021-05-18},
organization = {3rd ISMC Conference - Advances in
Modeling Soil Systems, virtual
(Germany), 18 May 2021 - 22 May 2021},
subtyp = {After Call},
cin = {IBG-3},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {217 - Für eine nachhaltige Bio-Ökonomie – von
Ressourcen zu Produkten (POF4-217) / 2173 -
Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-217 / G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)6},
doi = {10.5194/ismc2021-45},
url = {https://juser.fz-juelich.de/record/892636},
}