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Member Since 2004
Sander Huisman
Professor, Forschungszentrum Julich GmbH
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Strategies to Improve the Accuracy of Broadband Spectral Electrical Impedance Tomography (sEIT) Measurements for Soil Characterization
AGU 2024
near surface geophysics | 10 december 2024
Johan Alexander Huisman, Haoran Wang, Egon Zimmerm...
Spectral Electrical Impedance Tomography (sEIT) allows to obtain the complex electrical conductivity distribution of the soil within a broad range of ...
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Organic Matter Matters—The Imaginary Conductivity of Sediments Rich in Solid Organic Carbon
GEOPHYSICAL RESEARCH LETTERS
01 december 2023
Cora Strobel, Manuel Doerrich, Emma-Helen Stieff, ...

Solid organic matter (OM) is a biogeochemically relevant constituent of soils and sediments. It also affects sediments' geophysical properties, but...

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Enhanced Mixing and Reaction in Converging Flows: Theory and Pore‐Scale Imaging
WATER RESOURCES RESEARCH
31 july 2023
Satoshi Izumoto, Joris Heyman, Johan Alexander Hui...

Mixing fronts at the interface of opposing flows are compressed at a constant rate. The resulting exponential stretching of fluid elements leads to...

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Spectroscopic Approach Toward Unraveling the Electrical Signature of Roots
JOURNAL OF GEOPHYSICAL RESEARCH: BIOGEOSCIENCES
13 april 2023
Solomon Ehosioke, Sarah Garre, Johan Alexander Hui...

Geoelectrical methods are increasingly used to investigate soil‐plant interactions in an agricultural context. For this, it is essential to q...

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Spectral Induced Polarization (SIP) of Denitrification‐Driven Microbial Activity in Column Experiments Packed With Calcareous Aquifer Sediments
JOURNAL OF GEOPHYSICAL RESEARCH: BIOGEOSCIENCES
11 january 2023
Cora Strobel, Sergey Abramov, Olaf A. Cirpka, Joha...

Spectral Induced Polarization (SIP) has been suggested as a non‐invasive monitoring proxy for microbial processes. Under natural conditions, ...

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Potential of Thermal Neutrons to Correct Cosmic‐Ray Neutron Soil Moisture Content Measurements for Dynamic Biomass Effects
WATER RESOURCES RESEARCH
22 august 2022
Jannis Jakobi, Johan Alexander Huisman, Hannah Fuc...

Cosmic‐ray neutron sensors (CRNS) enable noninvasive determination of field‐scale soil moisture content by exploiting the dependence of...

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The Footprint Characteristics of Cosmic Ray Thermal Neutrons
GEOPHYSICAL RESEARCH LETTERS
06 august 2021
Jannis Jakobi, Johan Alexander Huisman, Markus Köh...

The advance of the cosmic ray neutron (CRN) sensing method for estimating field scale soil moisture relied largely on simulations of the footprint ...

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Comment on Dong and Ochsner (2018): “Soil Texture Often Exerts Stronger Influence Than Precipitation on Mesoscale Soil Moisture Patterns”
WATER RESOURCES RESEARCH
15 january 2021
Jannis Jakobi, Johan Alexander Huisman, Heye R. Bo...

In their study, Dong and Ochsner (2018, https://doi.org/10.1002/2017WR021692) used an extensive data set of 18 cosmic‐ray neutron rover surve...

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