Mountain building at northeastern boundary of Tibetan Plateau and craton reworking at Ordos block from joint inversion of ambient noise tomography and receiver functions
Sign Up to like & getrecommendations! Published in 2017 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2017.01.026
Abstract: Abstract We have obtained a high resolution 3-D crustal and uppermost mantle velocity model of the Ordos block and its surrounding areas by joint inversion of ambient noise tomography and receiver functions using seismic recordings… read more here.
Keywords: block; inversion ambient; ordos block; tibetan plateau ... See more keywords
3-D cross-gradient joint inversion of seismic refraction and DC resistivity data
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2017.04.008
Abstract: Abstract We present a 3-D cross-gradient joint inversion algorithm for seismic refraction and DC resistivity data. The structural similarity between seismic slowness and resistivity models is enforced by a cross-gradient term in the objective function… read more here.
Keywords: cross gradient; resistivity; inversion; gradient joint ... See more keywords
Two-dimensional joint inversion of Magnetotelluric and local earthquake data: Discussion on the contribution to the solution of deep subsurface structures
Sign Up to like & getrecommendations! Published in 2018 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2018.01.006
Abstract: Abstract Joint inversion of data sets collected by using several geophysical exploration methods has gained importance and associated algorithms have been developed. To explore the deep subsurface structures, Magnetotelluric and local earthquake tomography algorithms are… read more here.
Keywords: local earthquake; earthquake data; joint inversion; magnetotelluric local ... See more keywords
Joint inversion of induction and galvanic logging data in axisymmetric geological models
Sign Up to like & getrecommendations! Published in 2017 at "Russian Geology and Geophysics"
DOI: 10.1016/j.rgg.2016.09.032
Abstract: Abstract We have developed a computational algorithm for joint inversion of array induction and galvanic data in 2D models. It is based on a finite-difference solver and nonlinear minimization and is designed to develop realistic… read more here.
Keywords: inversion induction; inversion; galvanic logging; joint inversion ... See more keywords
CO2-Containing Reservoir Evaluation Based on the Joint Inversion of Nuclear Logs and Resistivity Logs: A Case Study of Ultrahigh-Temperature and High-Pressure Gas Reservoirs in the Yinggehai Basin, China
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c03726
Abstract: Due to the unique characteristics of reservoirs in the Yinggehai Basin in the South China Sea, such as high temperature and high pressure (HPHT), low porosity, low permeability, complex pore structure, and high lime content,… read more here.
Keywords: gas; reservoirs yinggehai; inversion; joint inversion ... See more keywords
Mono‐Model Parameter Joint Inversion by Gramian Constraints: EM Methods Examples
Sign Up to like & getrecommendations! Published in 2019 at "Earth and Space Science"
DOI: 10.1029/2019ea000605
Abstract: Joint inversions of coincident geophysical data are usually constrained to produce more reliable subsurface models. Structural, petrophysical, model parameter correlation, empirical, and transforms are some of the published constraints. The Gramian constraint provides a broad… read more here.
Keywords: model; model parameter; joint inversion; gramian constraint ... See more keywords
Lithospheric Structure and Evolution of Southern Africa: Constraints From Joint Inversion of Rayleigh Wave Dispersion and Receiver Functions
Sign Up to like & getrecommendations! Published in 2019 at "Geochemistry, Geophysics, Geosystems"
DOI: 10.1029/2019gc008259
Abstract: We conduct a joint inversion of teleseismic receiver functions and Rayleigh wave phase velocity dispersion from both ambient noise and earthquakes using data from 79 seismic stations in southern Africa, which is home to some… read more here.
Keywords: receiver functions; rayleigh wave; southern africa; joint inversion ... See more keywords
Comparative study of 3D joint inversion based on multi-section resistivity data
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0015601
Abstract: A 3D joint inversion of 2D electrical prospecting data can effectively solve the shortcomings of the 2D electrical method in detecting the spatial forms of anomalous bodies. However, the direction and interval between 2D electrical… read more here.
Keywords: inversion; survey; survey lines; joint inversion ... See more keywords
Gravity-magnetic cross-gradient joint inversion by the cyclic gradient method
Sign Up to like & getrecommendations! Published in 2020 at "Optimization Methods and Software"
DOI: 10.1080/10556788.2020.1786565
Abstract: In this paper, we consider a joint-inversion problem using different types of geophysical data: gravity and magnetism. We first formulate two kinds of inverse problems in the famework of the first kind Fredholm integral equations,… read more here.
Keywords: inversion; cyclic gradient; gradient method; joint inversion ... See more keywords
Gravity and magnetic joint inversion for basement and salt structures with the reversible-jump algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Journal International"
DOI: 10.1093/gji/ggab251
Abstract: Gravity and magnetic data resolve the Earth with variable spatial resolution, and Earth structure exhibits both discontinuous and gradual features. Therefore, model parametrization complexity should be able to address such variability by locally adapting to… read more here.
Keywords: basement; salt; gravity magnetic; reversible jump ... See more keywords
A joint inversion-segmentation approach to assisted seismic interpretation
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Journal International"
DOI: 10.1093/gji/ggab388
Abstract: Structural seismic interpretation and quantitative characterization are historically intertwined processes. The latter provides estimates of the properties of the subsurface, which can be used to aid structural interpretation alongside the original seismic data and a… read more here.
Keywords: interpretation; inversion segmentation; segmentation approach; joint inversion ... See more keywords