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
3-D Inversion of Gravity Anomalies by Combining Power-Spectrum Derived Adaptive Weighting and Cross-Gradient Regulation: Application to Molybdenum–Copper Deposit
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3162638
Abstract: Gravity measurement is an important geophysical prospecting method for mineral exploration. With most of the shallow ore deposits in China being exploited, the future targets for exploration will be aimed at the deep mineral resources… read more here.
Keywords: gravity; cross gradient; inversion; power spectrum ... See more keywords
3-D Cross-Gradient Joint Inversion Method for Gravity and Magnetic Data With Unstructured Grids Based on Second-Order Taylor Formula: Its Application to the Southern Greater Khingan Range
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3172337
Abstract: The cross-gradient joint inversion of gravity and magnetic data is a commonly used way, which requires dividing the subsurface into closely arranged cells with structured or unstructured grids to solve the physical properties of the… read more here.
Keywords: cross gradient; unstructured grids; inversion; joint inversion ... See more keywords
Cross-Gradient Joint Inversion of Gravity and Seismic Data With Triangular Grid Division by the Second-Order Finite-Difference Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3198936
Abstract: Cross-gradient joint inversion of gravity and seismic data can more accurately provide the characteristics of subsurface density and velocity structure. The subsurface is usually divided into triangular grids to accurately simulate the undulating terrain and… read more here.
Keywords: cross gradient; order finite; inversion; method ... See more keywords
Two‐dimensional data‐space joint inversion of magnetotelluric, gravity, magnetic and seismic data with cross‐gradient constraints
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12858
Abstract: In recent years, joint inversion has been widely used for integrated geological interpretation. We extended a data-space joint inversion algorithm of magnetotelluric, gravity and magnetic data to include first-arrival seismic travel-time and normalized cross-gradient constraints.… read more here.
Keywords: cross gradient; space joint; inversion; joint inversion ... See more keywords