Heterogeneity of seismic wave velocity in Earth's mantle
Seismology provides important constraints on the structure and dynamics of the deep
mantle. Computational and methodological advances in the past two decades improved …
mantle. Computational and methodological advances in the past two decades improved …
Structure, materials and processes in the Earth's core and mantle
This paper reviews current knowledge about the Earth's core and the overlying deep mantle
in terms of structure, chemical and mineralogical compositions, physical properties, and …
in terms of structure, chemical and mineralogical compositions, physical properties, and …
3-D Bayesian variational full waveform inversion
Seismic full-waveform inversion (FWI) provides high resolution images of the subsurface by
exploiting information in the recorded seismic waveforms. This is achieved by solving a …
exploiting information in the recorded seismic waveforms. This is achieved by solving a …
Seismic tomography using variational inference methods
Seismic tomography is a methodology to image the interior of solid or fluid media and is
often used to map properties in the subsurface of the Earth. In order to better interpret the …
often used to map properties in the subsurface of the Earth. In order to better interpret the …
3-D Monte Carlo surface wave tomography
Seismic surface wave tomography is a tried and tested method to reveal the subsurface
structure of the Earth. However, the conventional 2-step scheme of inverting first for 2-D …
structure of the Earth. However, the conventional 2-step scheme of inverting first for 2-D …
Bayesian geophysical inversion with trans-dimensional Gaussian process machine learning
SUMMARY A key aspect of geophysical inversion is the ability to model the earth with a low
dimensional representation. There exist various approaches to solve the inverse problem …
dimensional representation. There exist various approaches to solve the inverse problem …
Model update May 2016: Upper‐mantle heterogeneity beneath North America from travel‐time tomography with global and USArray data
ABSTRACT P‐wave travel‐time residuals from USArray helped improve the scale and
consistency with which the mantle beneath North America is resolved. Beginning in 2008 …
consistency with which the mantle beneath North America is resolved. Beginning in 2008 …
Trans‐dimensional surface reconstruction with different classes of parameterization
The use of Bayesian trans‐dimensional sampling in 2‐D and 3‐D imaging problems has
recently become widespread in geophysical inversion. Its benefits include its spatial …
recently become widespread in geophysical inversion. Its benefits include its spatial …
A reduced-order variational Bayesian approach for efficient subsurface imaging
This work considers the reconstruction of a subsurface model from seismic observations,
which is known to be a high-dimensional and ill-posed inverse problem. Two approaches …
which is known to be a high-dimensional and ill-posed inverse problem. Two approaches …
Low frequency full waveform seismic inversion within a tree based Bayesian framework
Limited illumination, insufficient offset, noisy data and poor starting models can pose
challenges for seismic full waveform inversion. We present an application of a tree based …
challenges for seismic full waveform inversion. We present an application of a tree based …