A review of geophysical modeling based on particle swarm optimization
This paper reviews the application of the algorithm particle swarm optimization (PSO) to
perform stochastic inverse modeling of geophysical data. The main features of PSO are …
perform stochastic inverse modeling of geophysical data. The main features of PSO are …
Uncertainty and resolution analysis of 2D and 3D inversion models computed from geophysical electromagnetic data
Z Ren, T Kalscheuer - Surveys in Geophysics, 2020 - Springer
A meaningful solution to an inversion problem should be composed of the preferred
inversion model and its uncertainty and resolution estimates. The model uncertainty …
inversion model and its uncertainty and resolution estimates. The model uncertainty …
Particle swarm optimization of 2D magnetotelluric data
We implement the particle swarm optimization (PSO) algorithm for the two-dimensional (2D)
magnetotelluric (MT) inverse problem. We first validate PSO on two synthetic models of …
magnetotelluric (MT) inverse problem. We first validate PSO on two synthetic models of …
Two-dimensional magnetotelluric modelling of ore deposits: Improvements in model constraints by inclusion of borehole measurements
T Kalscheuer, N Juhojuntti, K Vaittinen - Surveys in Geophysics, 2018 - Springer
A combination of magnetotelluric (MT) measurements on the surface and in boreholes
(without metal casing) can be expected to enhance resolution and reduce the ambiguity in …
(without metal casing) can be expected to enhance resolution and reduce the ambiguity in …
[HTML][HTML] 3D reflection seismic imaging at the 2.5 km deep COSC-1 scientific borehole, central Scandinavian Caledonides
The 2.5 km deep scientific COSC-1 borehole (ICDP 5054-1-A) was successfully drilled with
nearly complete core recovery during spring and summer of 2014. Downhole and on-core …
nearly complete core recovery during spring and summer of 2014. Downhole and on-core …
Two‐dimensional magnetotelluric inversion using reflection seismic data as constraints and application in the COSC project
P Yan, T Kalscheuer, P Hedin… - Geophysical …, 2017 - Wiley Online Library
We present a novel 2‐D magnetotelluric (MT) inversion scheme, in which the local weights
of the regularizing smoothness constraints are based on the envelope attribute of a …
of the regularizing smoothness constraints are based on the envelope attribute of a …
Seismic imaging in the eastern Scandinavian Caledonides: siting the 2.5 km deep COSC-2 borehole, central Sweden
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project, a contribution to
the International Continental Scientific Drilling Program (ICDP), aims to provide a deeper …
the International Continental Scientific Drilling Program (ICDP), aims to provide a deeper …
Core‐log‐seismic integration in metamorphic rocks and its implication for the regional geology: A case study for the ICDP drilling project COSC‐1, Sweden
Continental collision causes deformation in the crust along shear zones. However, the
physical and chemical conditions at which these zones operate and the deformation …
physical and chemical conditions at which these zones operate and the deformation …
The derivation of an anisotropic velocity model from a combined surface and borehole seismic survey in crystalline environment at the COSC-1 borehole, central …
Summary The Scandinavian Caledonides provide a well-preserved example of a
Palaeozoic continent–continent collision, where surface geology in combination with …
Palaeozoic continent–continent collision, where surface geology in combination with …
Anisotropic Kirchhoff pre-stack depth migration at the COSC-1 borehole, central Sweden
SUMMARY A remarkably well preserved representation of a deeply eroded Palaeozoic
orogen is found in the Scandinavian Caledonides, formed by the collision of the two …
orogen is found in the Scandinavian Caledonides, formed by the collision of the two …