Joint inversion of potential field data with adaptive unstructured tetrahedral mesh

H Cai, R Kong, Z He, X Wang, S Liu, S Huang… - Geophysics, 2024 - library.seg.org
Inverting potential field data presents a significant challenge due to its ill-posed nature, often
leading to nonunique model solutions. Addressing this, our work focuses on developing a …

Joint Inversion Method of Gravity and Magnetic Data with Adaptive Zoning Using Gramian in Both Petrophysical and Structural Domains

T Wang, G Ma, Q Meng, T Wang, Z Jiang - Surveys in Geophysics, 2024 - Springer
Different observation data are utilized to obtain a unified geophysical model based on the
correlations of underground geological bodies in joint inversions. By specifying a type of …

Joint Gramian inversion of gravity, magnetic and gravity gradient tensor data for the modelling of Mesoproterozoic iron oxide deposits, southeast Missouri, USA

S Vatankhah, X Huang, RA Renaut… - Geophysical Journal …, 2023 - academic.oup.com
Within the iron metallogenic province of southeast Missouri, USA, there are several mines
that contain not only economic iron resources, magnetite and/or hematite, but also contain …

The northeastern Algeria hydrothermal system: gravimetric data and structural implication

Y Bayou, A Abtout, RA Renaut, B Bouyahiaoui… - Geothermal …, 2023 - Springer
Abstract The Tell Atlas of Algeria has a huge potential for hydrothermal energy from over
240 thermal springs with temperatures up to 98∘ C in the Guelma area. The most exciting …

Efficiently implementing and balancing the mixed Lp-norm joint inversion of gravity and magnetic data

S Vatankhah, X Huang, RA Renaut… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
The mixed-norm,, stabilization algorithm is flexible for constructing a suite of subsurface
models with either distinct, or a combination of, smooth, sparse, or blocky structures. This …

New insights into the anomaly genesis of the frequency selection method: supported by numerical modeling and case studies

T Yang, Q Gao, H Li, G Fu, Y Hussain - Pure and Applied Geophysics, 2023 - Springer
The frequency selection method (FSM) is the further development of the audio frequency
telluric electricity method (TEFM). However, debate continues regarding the mechanisms …

Gravity inversion using L0 norm for sparse constraints

D Zhu, X Hu, S Liu, H Cai, S Xu, L Meng… - Geophysical Journal …, 2024 - academic.oup.com
Gravity surveys constitute an important method for investigating the Earth's interior based on
density contrasts related to Earth material differentials. Because lithology depends on the …

地下空间微重力异常聚焦反演方法研究及应用.

周俊杰, 朱鹏飞, 高爽 - World Nuclear Geoscience, 2024 - search.ebscohost.com
摘要为解决地下空间微重力探测中常规反演结果较为模糊, 不利于目标定位的问题,
对微重力异常聚焦反演方法进行研究. 基于目标空间最小的前提假设, 引入目标与围岩的密度差 …

Efficient 3D gravity data inversion with depth weighting function

X Wang, J Li, Q Zhang, D Zhao, J Liu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Gravity inversion plays a crucial role in estimating subsurface structural information. This
process typically involves dividing the subsurface into numerous rectangular prisms and …

[HTML][HTML] 基于L1+L2混合范数频域三维重力场反演方法

赵广东, 王绪本, 柳建新, 梁生贤, 李军 - 地球物理学报, 2024 - dzkx.org
三维重力反演被广泛应用于矿产资源勘探和深部密度结构研究, 然而传统空间域三维重力场反演
方法存在着深度分辨率低, 多解性强和计算效率低的问题, 影响了地质解释的准确性和可信度 …