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@ARTICLE{MartnezGarca:155361,
author = {Martínez García, Gonzalo and Pachepsky, Yakov A. and
Vereecken, Harry},
title = {{E}ffect of soil hydraulic properties on the relationship
between the spatial mean and variability of soil moisture},
journal = {Journal of hydrology},
volume = {516},
issn = {0022-1694},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2014-04530},
pages = {154 - 160},
year = {2014},
abstract = {Knowledge of spatial mean soil moisture and its variability
over time is needed in many environmental applications. We
analyzed dependencies of soil moisture variability on
average soil moisture contents in soils with and without
root water uptake using ensembles of non-stationary water
flow simulations by varying soil hydraulic properties under
different climatic conditions. We focused on the dry end of
the soil moisture range and found that the magnitude of soil
moisture variability was controlled by the interplay of soil
hydraulic properties and climate. The average moisture at
which the maximum variability occurred depended on soil
hydraulic properties and vegetation. A positive linear
relationship was observed between mean soil moisture and its
standard deviation and was controlled by the parameter
defining the shape of soil water retention curves and the
spatial variability of saturated hydraulic conductivity. The
influence of other controls, such as variable weather
patterns, topography or lateral flow processes needs to be
studied further to see if such relationship persists and
could be used for the inference of soil hydraulic properties
from the spatiotemporal variation in soil moisture.},
cin = {IBG-3},
ddc = {690},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {246 - Modelling and Monitoring Terrestrial Systems: Methods
and Technologies (POF2-246) / 255 - Terrestrial Systems:
From Observation to Prediction (POF3-255)},
pid = {G:(DE-HGF)POF2-246 / G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000339036100014},
doi = {10.1016/j.jhydrol.2014.01.069},
url = {https://juser.fz-juelich.de/record/155361},
}