Cross-gradient functionjoint inversionmagneticpompeiiresistivityIn this paper we perform a 2-D joint inversion of DC resistivity and magnetic data, constrained by cross-gradients. Inspired by methods developed for potential fields, we introduce into both the separate and joint inversion algorithms also ...
Based on previous work, we present a cross-gradient joint inversion algorithm for gravity and NSS data that employs several proper constraint techniques to reduce the effect of remanent magnetization and improve the resolution of the inverted results. We chose to use NSS data because such data are...
摘要: •We present an iterative joint inversion approach with features of flexibility and easy-code.•We apply this joint inversion for Vp-Vs and Vp-Attenuation models using crosswell seismic field data for reservoir characterization.关键词: Joint inversion Cross well seismic Reservoir ...
Cross-gradient joint inversion and structural interpretation of gravity and magnetic data from the Tennant Creek mineral field, Northern Territory, AustraliaMatthew Hill
Presently, the cross-gradient inversion scheme stands out as one of the most robust joint approaches, and some authors modified it to manage complex topographies on unstructured meshes even if at the expense of introducing additional parameters in the inversion process. We propose in this work a ...
Cross-gradients joint inversion of gravity and magnetic data is the focus of this work. Cross-gradients are introduced as a constraint in the minimization of a least square functional including the misfits of the available data. We propose to initialize the cross gradients iterations with a ...
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 that also includes misfit and regularization terms. A ...
cyclic gradient methodlinear convergence rate92C5515A2965K1068U10In 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, ...
Gallardo, L.A., 2007, Multiple cross-gradient joint inversion for geospectral imaging, Geophysical Research Letters, 34, L19301, doi:19310.11029/12007GL030409.Gallardo, L. A., 2007. Multiple cross-gradient joint inversion for geospectral imaging: Geophysical Research Letters, 34(19), 1-5....
Zhou J, Zhang X, Xiu C, " A MATLAB-Based Numerical and GUI Implementation of Cross-Gradients Joint Inversion of Gravity and Magnetic Data", Journal of Software Engineering and Application - Published Online February 2015 in SciRes. http://www.scirp.org/journal/jsea (2015).J. Zhou, X. ...