Quantifying reagent spreading by cross‐borehole electrical tomography to assess performance of groundwater remediation
In situ remediation of contaminated groundwater often relies on the installation of a
treatment zone (TZ) degrading the contamination. Zero‐valent‐iron (ZVI) is a type of reagent …
treatment zone (TZ) degrading the contamination. Zero‐valent‐iron (ZVI) is a type of reagent …
Doubling the spectrum of time-domain induced polarization by harmonic de-noising, drift correction, spike removal, tapered gating and data uncertainty estimation
The extraction of spectral information in the inversion process of time-domain (TD) induced
polarization (IP) data is changing the use of the TDIP method. Data interpretation is evolving …
polarization (IP) data is changing the use of the TDIP method. Data interpretation is evolving …
An Efficient Alternating Algorithm for the Lₚ-Norm Cross-Gradient Joint Inversion of Gravity and Magnetic Data Using the 2-D Fast Fourier Transform
An efficient algorithm for the-norm joint inversion of gravity and magnetic data using the
cross-gradient constraint is presented. The presented framework incorporates stabilizers …
cross-gradient constraint is presented. The presented framework incorporates stabilizers …
Time-series clustering approaches for subsurface zonation and hydrofacies detection using a real time-lapse electrical resistivity dataset
One main application of electrical resistivity tomography (ERT) is the non-invasive detection
of geological or hydrological structures in the shallow subsurface. This paper investigates …
of geological or hydrological structures in the shallow subsurface. This paper investigates …
Direct prediction of spatially and temporally varying physical properties from time‐lapse electrical resistance data
Time‐lapse applications of electrical methods have grown significantly over the last decade.
However, the quantitative interpretation of tomograms in terms of physical properties, such …
However, the quantitative interpretation of tomograms in terms of physical properties, such …
Laterally constrained inversion (LCI) of multi-configuration EMI data with tunable sharpness
Frequency-domain electromagnetic (FDEM) data are commonly inverted to characterize
subsurface geoelectrical properties using smoothness constraints in 1D inversion schemes …
subsurface geoelectrical properties using smoothness constraints in 1D inversion schemes …
Spreading of localized information across an entire 3D electrical resistivity volume via constrained EMI inversion based on a realistic prior distribution
Frequency-domain electromagnetic induction (EMI) methods are commonly used to map
vast areas quickly and with minimum logistical efforts. Unfortunately, they are often …
vast areas quickly and with minimum logistical efforts. Unfortunately, they are often …
4D electrical resistivity tomography (ERT) for aquifer thermal energy storage monitoring
In the context of aquifer thermal energy storage, we conducted a hydrogeophysical
experiment emulating the functioning of a groundwater heat pump for heat storage into an …
experiment emulating the functioning of a groundwater heat pump for heat storage into an …
Reconstruction, with tunable sparsity levels, of shear wave velocity profiles from surface wave data
The analysis of surface wave dispersion curves is a way to infer the vertical distribution of
shear wave velocity. The range of applicability is extremely wide: going, for example, from …
shear wave velocity. The range of applicability is extremely wide: going, for example, from …
Mesoproterozoic (~ 1.32 Ga) modification of lithospheric mantle beneath the North China craton caused by break-up of the Columbia supercontinent
Abstract The Mesoproterozoic Yanliao diabase sills are widespread at the northern margin
of the eastern North China Craton (NCC) and provide a means to examine the evolution of …
of the eastern North China Craton (NCC) and provide a means to examine the evolution of …