A review of airborne electromagnetic methods with focus on geotechnical and hydrological applications from 2007 to 2017
The purpose of this review is to report the major advancements that have been made within
the area of airborne electromagnetics (AEM) between 2007 and 2017, with a focus on …
the area of airborne electromagnetics (AEM) between 2007 and 2017, with a focus on …
Accelerated 2.5-D inversion of airborne transient electromagnetic data using reduced 3-D meshing
KW Engebretsen, B Zhang, G Fiandaca… - Geophysical Journal …, 2022 - academic.oup.com
Airborne systems collecting transient electromagnetic data are able to gather large amounts
of data over large areas in a very short time. These data are most often interpreted through 1 …
of data over large areas in a very short time. These data are most often interpreted through 1 …
Numerical simulations of time-domain seismic wave propagation for a point source in 2-D onshore and offshore geological models
This research demonstrates an innovative numerical technique to simulate seismic wave
propagation of a practical point source in complex 2-D geological models, which encompass …
propagation of a practical point source in complex 2-D geological models, which encompass …
2.5-D inversion of advanced detection transient electromagnetic method in full space
J Cheng, J Xue, J Zhou, Y Dong, L Wen - IEEE Access, 2019 - ieeexplore.ieee.org
The transient electromagnetic method (TEM) can be applied in detecting coal mining
heading face with multiple angles. However, a 1-D inversion scheme cannot fit this kind of …
heading face with multiple angles. However, a 1-D inversion scheme cannot fit this kind of …
Quantifying geophysical inversion uncertainty using airborne frequency domain electromagnetic data—applied at the province of Zeeland, the Netherlands
An accurate understanding of the fresh‐saline distribution of groundwater is necessary for
effective groundwater management. Airborne electromagnetic (AEM) surveys offer a rapid …
effective groundwater management. Airborne electromagnetic (AEM) surveys offer a rapid …
Three-dimensional arbitrarily anisotropic modeling for time-domain airborne electromagnetic surveys
W Huang, F Ben, CC Yin, QM Meng, WJ Li, GX Liao… - Applied …, 2017 - Springer
Electrically anisotropic strata are abundant in nature, so their study can help our data
interpretation and our understanding of the processes of geodynamics. However, current …
interpretation and our understanding of the processes of geodynamics. However, current …
3D anisotropic modeling and identification for airborne EM systems based on the spectral-element method
X Huang, CC Yin, XY Cao, YH Liu, B Zhang, J Cai - Applied geophysics, 2017 - Springer
The airborne electromagnetic (AEM) method has a high sampling rate and survey flexibility.
However, traditional numerical modeling approaches must use high-resolution physical …
However, traditional numerical modeling approaches must use high-resolution physical …
Global optimization of controlled source audio-frequency magnetotelluric data with an improved artificial bee colony algorithm
L Wen, J Cheng, F Li, J Zhao, Z Shi, H Zhang - Journal of Applied …, 2019 - Elsevier
The inversion of controlled source audio-frequency magnetotelluric (CSAMT) data is a
complex nonlinear problem. A linearization of this problem is easily trapped in local minima …
complex nonlinear problem. A linearization of this problem is easily trapped in local minima …
3D interpretation of helicopter-borne frequency-domain electromagnetic (HEM) data from Ramså Basin and adjacent areas at Andøya, Norway
VC Baranwal, M Brönner, JS Rønning… - Earth, Planets and …, 2020 - Springer
Abstract The Ramså Basin is situated on the strandflat on the northeastern side of Andøya
between Ramså and Skarstein. It is the only known Mesozoic sedimentary basin onshore …
between Ramså and Skarstein. It is the only known Mesozoic sedimentary basin onshore …
An efficient 2D inversion scheme for airborne frequency-domain data
In many cases, inversion in 2D gives a better description of the subsurface compared with
1D inversion, but, computationally, 2D inversion is expensive, and it can be hard to use for …
1D inversion, but, computationally, 2D inversion is expensive, and it can be hard to use for …