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@ARTICLE{Jadoon:838926,
author = {Jadoon, Khan Zaib and Altaf, Muhammad Umer and McCabe,
Matthew Francis and Hoteit, Ibrahim and Muhammad, Nisar and
Moghadas, Davood and Weihermüller, Lutz},
title = {{I}nferring soil salinity in a drip irrigation system from
multi-configuration {EMI} measurements using adaptive
{M}arkov chain {M}onte {C}arlo},
journal = {Hydrology and earth system sciences},
volume = {21},
number = {10},
issn = {1027-5606},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2017-07429},
pages = {5375 - 5383},
year = {2017},
abstract = {A substantial interpretation of electromagnetic induction
(EMI) measurements requires quantifying optimal model
parameters and uncertainty of a nonlinear inverse problem.
For this purpose, an adaptive Bayesian Markov chain Monte
Carlo (MCMC) algorithm is used to assess multi-orientation
and multi-offset EMI measurements in an agriculture field
with non-saline and saline soil. In MCMC the posterior
distribution is computed using Bayes' rule. The
electromagnetic forward model based on the full solution of
Maxwell's equations was used to simulate the apparent
electrical conductivity measured with the configurations of
EMI instrument, the CMD Mini-Explorer. Uncertainty in the
parameters for the three-layered earth model are
investigated by using synthetic data. Our results show that
in the scenario of non-saline soil, the parameters of layer
thickness as compared to layers electrical conductivity are
not very informative and are therefore difficult to resolve.
Application of the proposed MCMC-based inversion to field
measurements in a drip irrigation system demonstrates that
the parameters of the model can be well estimated for the
saline soil as compared to the non-saline soil, and provides
useful insight about parameter uncertainty for the
assessment of the model outputs.},
cin = {IBG-3},
ddc = {550},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {255 - Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000413733500002},
doi = {10.5194/hess-21-5375-2017},
url = {https://juser.fz-juelich.de/record/838926},
}