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@ARTICLE{Wolters:1016757,
author = {Wolters, Tim and McNamara, Ian and Tetzlaff, Björn and
Wendland, Frank},
title = {{G}ermany-{W}ide {H}igh-{R}esolution {W}ater {B}alance
{M}odelling to {C}haracterise {R}unoff {C}omponents as
{I}nput {P}athways for the {A}nalysis of {N}utrient
{F}luxes},
journal = {Water},
volume = {15},
number = {19},
issn = {2073-4441},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2023-03743},
pages = {3468 -},
year = {2023},
abstract = {The input of nutrients into surface waters and groundwater
is directly linked to runoff components. Due to the
different physicochemical behaviour of nitrogen and
phosphorus compounds, the individual runoff components have
different significance as input pathways. Within the scope
of the Germany-wide project AGRUM-DE, spatially
differentiated runoff components were modelled with the
water balance model mGROWA at a resolution of 100 m. The
modelled distributed runoff components include total runoff,
surface runoff, drainage runoff, natural interflow, direct
runoff from urban areas, and groundwater recharge. Although
the mGROWA model operates in daily time steps, modelled
runoff components can be aggregated to mean long-term
hydrologic reference periods—for this study, 1981–2010.
We obtained good model agreement through the comparison of
measured discharge from 298 river gauges against the spatial
means of the modelled runoff components over their
corresponding catchment areas. Therefore, the model results
provide reliable input for input pathway-specific modelling
of actual nutrient inputs as well as scenario analyses
expected from the application of nutrient reduction
initiatives. This ensures that any differences in the model
results stem exclusively from differences in nutrient supply
(fertilisation of the soils) and not from climatic effects,
such as the influence of wet or dry years.},
cin = {IBG-3},
ddc = {690},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {2173 - Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001084352100001},
doi = {10.3390/w15193468},
url = {https://juser.fz-juelich.de/record/1016757},
}