Search Results - "Klotzsche, Anja"

Simultaneous multichannel multi‐offset ground‐penetrating radar measurements for soil characterization by Kaufmann, Manuela Sarah, Klotzsche, Anja, Vereecken, Harry, der Kruk, Jan

“…For vadose zone studies, it is essential to characterize the soil heterogeneity. However, manual soil coring is time consuming and lacks spatial coverage…”
Get full text

Linking horizontal crosshole GPR variability with root image information for maize crops by Lärm, Lena, Bauer, Felix Maximilian, Kruk, Jan, Vanderborght, Jan, Morandage, Shehan, Vereecken, Harry, Schnepf, Andrea, Klotzsche, Anja

“…Non‐invasive imaging of processes within the soil–plant continuum, particularly root and soil water distributions, can help optimize agricultural practices…”
Get full text

Multi-year belowground data of minirhizotron facilities in Selhausen by Lärm, Lena, Bauer, Felix Maximilian, Hermes, Normen, van der Kruk, Jan, Vereecken, Harry, Vanderborght, Jan, Nguyen, Thuy Huu, Lopez, Gina, Seidel, Sabine Julia, Ewert, Frank, Schnepf, Andrea, Klotzsche, Anja

“…The production of crops secure the human food supply, but climate change is bringing new challenges. Dynamic plant growth and corresponding environmental data…”
Get full text

Multi-year aboveground data of minirhizotron facilities in Selhausen by Nguyen, Thuy Huu, Lopez, Gina, Seidel, Sabine J., Lärm, Lena, Bauer, Felix Maximilian, Klotzsche, Anja, Schnepf, Andrea, Gaiser, Thomas, Hüging, Hubert, Ewert, Frank

“…Improved understanding of crops’ response to soil water stress is important to advance soil-plant system models and to support crop breeding, crop and varietal…”
Get full text

Quantitative Multi-Layer Electromagnetic Induction Inversion and Full-Waveform Inversion of Crosshole Ground Penetrating Radar Data by van der Kruk, Jan, Gueting, Nils, Klotzsche, Anja, He, Guowei, Rudolph, Sebastian, von Hebel, Christian, Yang, Xi, Weihermüller, Lutz, Mester, Achim, Vereecken, Harry

“…Due to the recent system developments for the electromagnetic characterization of the subsurface, fast and easy acquisition is made feasible due to the fast…”
Get full text

Coupled full-waveform inversion of horizontal borehole ground penetrating radar data to estimate soil hydraulic parameters: A synthetic study by Yu, Yi, Huisman, Johan Alexander, Klotzsche, Anja, Vereecken, Harry, Weihermüller, Lutz

“…•Novel workflow for coupled full waveform inversion (CFWI) was proposed.•CFWI outperforms coupled inversion of travel times to invert hydraulic properties.•A…”
Get full text

Application of Subset Full-Waveform Inversion to Multioffset Surface Ground-Penetrating Radar Data by Qin, Tan, Bohlen, Thomas, Allroggen, Niklas, Klotzsche, Anja, Pan, Yudi

“…Ground-penetrating radar (GPR) full-waveform inversion (FWI) can determine high-resolution electromagnetic (EM) properties of the subsurface and has gained…”
Get full text

Improving crosshole ground‐penetrating radar full‐waveform inversion results by using progressively expanded bandwidths of the data by Zhou, Zhen, Klotzsche, Anja, Vereecken, Harry

“…ABSTRACT In the last decade, time‐domain crosshole ground‐penetrating radar full‐waveform inversion has been applied to several different test sites and has…”
Get full text

Calibration of a Stationary Multichannel GPR Monitoring System using Internal Reflection Measurements by Steinbeck, Leon, Mester, Achim, Zimmermann, Egon, Klotzsche, Anja, Van Waasen, Stefan

“…Advanced and extensive processing of ground penetrating radar (GPR) data, for example needed for full-waveform inversion approaches, requires a reliable…”
Get full text

Detection of spatially limited high-porosity layers using crosshole GPR signal analysis and full-waveform inversion by Klotzsche, Anja, van der Kruk, Jan, Bradford, John, Vereecken, Harry

“…High‐permittivity layers, related to high‐porosity layers or impermeable clay lenses, can act as low‐velocity electromagnetic waveguides. Electromagnetic wave…”
Get full text

Spatial variability of hydraulic parameters of a cropped soil using horizontal crosshole ground penetrating radar by Lärm, Lena, Weihermüller, Lutz, Rödder, Jan, van der Kruk, Jan, Vereecken, Harry, Klotzsche, Anja

“…Soil hydraulic parameters (SHP) play a crucial role controlling the spatiotemporal distribution of water in the soil–plant continuum and thus affect water…”
Get full text

Sequential and coupled inversion of horizontal borehole ground penetrating radar data to estimate soil hydraulic properties at the field scale by Yu, Yi, Weihermüller, Lutz, Klotzsche, Anja, Lärm, Lena, Vereecken, Harry, Huisman, Johan Alexander

“…•Sequential inversion of GPR data cannot provide accurate hydraulic parameters.•Coupled inversion of GPR data provides reliable field-scale hydraulic…”
Get full text

Imaging and characterization of facies heterogeneity in an alluvial aquifer using GPR full-waveform inversion and cone penetration tests by Gueting, Nils, Klotzsche, Anja, van der Kruk, Jan, Vanderborght, Jan, Vereecken, Harry, Englert, Andreas

“…•Crosshole GPR full-waveform inversion is able to map decimeter scale aquifer structures.•High-resolution full-waveform inversion results are confirmed by CPT…”
Get full text

3-D Electromagnetic Modeling Explains Apparent-Velocity Increase in Crosshole GPR Data-Borehole Fluid Effect Correction Method Enables to Incorporating High-Angle Traveltime Data by Mozaffari, Amirpasha, Klotzsche, Anja, Zhou, Zhen, Vereecken, Harry, Kruk, Jan van der

“…For high-resolution crosshole ground-penetrating radar (GPR) tomography, a wide-range of ray path angles are required, including transmitter-receiver pairs…”
Get full text

GPR full-waveform inversion of a variably saturated soil-aquifer system by Klotzsche, Anja, Vereecken, Harry, van der Kruk, Jan

“…Characterizing the critical zone is highly important to improve the mapping of small-scale spatial heterogeneity of soil properties and the understanding of…”
Get full text

High resolution aquifer characterization using crosshole GPR full‐waveform tomography: Comparison with direct‐push and tracer test data by Gueting, Nils, Vienken, Thomas, Klotzsche, Anja, van der Kruk, Jan, Vanderborght, Jan, Caers, Jef, Vereecken, Harry, Englert, Andreas

“…Limited knowledge about the spatial distribution of aquifer properties typically constrains our ability to predict subsurface flow and transport. Here we…”
Get full text

Practical data acquisition strategy for time-lapse experiments using crosshole GPR and full-waveform inversion by Keskinen, Johanna, Looms, Majken C., Klotzsche, Anja, Nielsen, Lars

“…Crosshole ground penetrating radar (GPR) methods are increasingly used in time-lapse studies of flow in the uppermost near subsurface with important…”
Get full text

Large‐scale detection and quantification of harmful soil compaction in a post‐mining landscape using multi‐configuration electromagnetic induction by Schmäck, Jessica, Weihermüller, Lutz, Klotzsche, Anja, Hebel, Christian, Pätzold, Stefan, Welp, Gerhard, Vereecken, Harry

“…Fast and accurate large‐scale localization and quantification of harmfully compacted soils in recultivated post‐mining landscapes are of particular importance…”
Get full text

3-D characterization of high-permeability zones in a gravel aquifer using 2-D crosshole GPR full-waveform inversion and waveguide detection by Klotzsche, Anja, van der Kruk, Jan, Linde, Niklas, Doetsch, Joseph, Vereecken, Harry

“…Reliable high-resolution 3-D characterization of aquifers helps to improve our understanding of flow and transport processes when small-scale structures have a…”
Get full text

Full-waveform inversion of Crosshole GPR data: Implications for porosity estimation in chalk by Keskinen, Johanna, Klotzsche, Anja, Looms, Majken C., Moreau, Julien, van der Kruk, Jan, Holliger, Klaus, Stemmerik, Lars, Nielsen, Lars

“…The Maastrichtian-Danian chalk is a widely distributed hydrocarbon and groundwater reservoir rock in north-western Europe. Knowledge of lateral and vertical…”
Get full text