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@BOOK{Bogena:45087,
author = {Bogena, Heye and Herbst, Michael and Hake,
Jürgen-Friedrich and Kunkel, Ralf and Montzka, Carsten and
Pütz, Thomas and Vereecken, Harry and Wendland, Frank},
title = {{MOSYRUR} - {W}ater balance analysis in the {R}ur basin},
volume = {52},
address = {Jülich},
publisher = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
reportid = {PreJuSER-45087},
isbn = {3-89336-385-8},
series = {Schriften des Forschungszentrums Jülich. Reihe Umwelt /
Environment},
pages = {155 S.},
year = {2005},
note = {Record converted from VDB: 12.11.2012},
abstract = {In this report the current results of the research
activities in the MOSYRUR project are summarized. The
targets of the first project phase (2002-2004) were the
analysis of the quantitative status of the water resources
in the catchment of the Rur ($\sim$2350 km$^{2}$) and the
indication of the water balance at different scales. Process
orientated investigations and simulations were performed at
the small meso-scale test area "Zwischenscholle" (20
km$^{2}$) using the TRACE model. For the model application
the potential evapotranspiration was calculated,
Pedotransfer functions were utilized in order to derive the
soil hydraulic properties and borehole measurements of
groundwater levels were spatially and temporally
interpolated in order to define the vertical boundary
conditions. A one-dimensional and a three-dimensional TRACE
application were performed for the period 1.12.1983 to
31.11.1993. The one-dimensional TRACE application was
validated using a lysimeter experiment dataset spanning the
period from 25.11.1988 to 13.8.1990. The actual
evapotranspiration is slightly underestimated, while the
amount of drainage is slightly overestimated. Nevertheless
the calculated model performance measures indicate that all
relevant processes and state variables (evapotranspiration,
drainage and soil moisture) are well described. The measured
actual evapotranspiration for the whole modelling period is
990 mm, whereas TRACE calculates an amount of 977 mm. The
deviation between the measured drainage amount of 158 mm and
the amount predicted with TRACE (163 mm) is equal to an
error of 3.4 \%. A decrease in soil moisture during the
first spring at 85 cm depth is not that well reproduced,
which might be attributed to a plant compensation mechanism.
Probably the plant adapts to the low soil moisture near the
surface by taking out more water at deeper soil layers. The
validation of the three-dimensional TRACE application showed
that the groundwater levels measured at the field scale are,
basically, well reproduced. Wells were selected, which are
located rather in the middle of the test area than close to
the boundary, since the model results and measured heads are
supposed to be very similar near the boundary, where the
measurements are used for the imposed boundary condition.
The RMSE of these wells ranges between 0.33 and 0.68, which
is adequate since no calibration of the model was carried
out. The large-scaled GIS-supported GROWA model was applied
for balancing water components at the catchment scale . For
the model application datasets were used that were mainly
provided by the geological survey of NRW and the [...]},
cin = {STE / ICG-IV},
ddc = {333.7},
cid = {I:(DE-Juel1)VDB64 / I:(DE-Juel1)VDB50},
pnm = {Systemforschung; Technik, Umwelt, Gesellschaft / Chemie und
Dynamik der Geo-Biosphäre},
pid = {G:(DE-Juel1)FUEK258 / G:(DE-Juel1)FUEK257},
typ = {PUB:(DE-HGF)3},
url = {https://juser.fz-juelich.de/record/45087},
}