Results 21 to 30 of about 185 (129)

Integrated Multi‐Physics Characterisation of the Northern Kiruna Mining District With Machine‐Learning‐Assisted Interpretation

open access: yesGeophysical Prospecting, Volume 74, Issue 7, September 2026.
ABSTRACT Integrated earth modelling aims to combine all available geoscientific information to derive one common earth model. However, combining multiple parameters in a meaningful way remains challenging. In this study, we aim to improve mineral exploration workflows through the integration of new magnetotelluric data with other geophysical and ...
Oskar Rydman   +5 more
wiley   +1 more source

Recent advances in research on intelligent technologies and equipment for underground geological exploration of coal mines in China

open access: yesMeitian dizhi yu kantan
BackgroundIntelligent coal mine construction represents an important measure to promote the high-quality development of the coal industry. Developing intelligent technologies and equipment for geological exploration is the key to both transparent ...
Jianming ZHANG   +3 more
doaj   +1 more source

Fault detection using microtremor data (HVSR-based approach) and electrical resistivity survey

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2019
The faults and fractures are known as two of the most important parameters in earthquake occurrence. During the construction in urban areas, faults and fractures may be covered in depth and thus are not visible at the ground surface. In this context, non-
Marzieh Khalili, Abdul Vahed Mirzakurdeh
doaj   +1 more source

Implications of heterogeneous embankment conditions for geoelectrical investigations on dams: A case study at Mactaquac Dam, Canada

open access: yesNear Surface Geophysics, Volume 24, Issue 4, Page 303-324, August 2026.
Abstract Electrical resistivity tomography (ERT) has been shown to be effective for surveying and monitoring dams, due to the method's sensitivity to moisture content and relevant physical properties (e.g., porosity). Automated ERT systems, capable of time‐lapse monitoring, can be used to detect variations in ground conditions.
John S. Ball   +4 more
wiley   +1 more source

Tunnel ahead prospecting methods and intelligent interpretation of adverse geology: A review

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
Geological prospecting and the identification of adverse geological features are essential in tunnel construction, providing critical information to ensure safety and guide engineering decisions. As tunnel projects extend into deeper and more mountainous
Shucai Li   +6 more
doaj   +1 more source

Understanding the Robustness of Reparameterized Full‐Waveform Inversion Through Loss Landscape Perspective: Application to VSP Data

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 4, August 2026.
Abstract Full waveform inversion (FWI) reconstructs subsurface models by minimizing the mismatch between observed and simulated seismic data. However, the strong nonlinearity of the inversion problem makes gradient‐based optimization highly sensitive to inaccurate initial models and incomplete observational data.
Ning Wang   +3 more
wiley   +1 more source

A Brief Analysis of Karst Survey Mode for Urban Rail Transit Projects in Mountainous City

open access: yesChengshi guidao jiaotong yanjiu
Objective In the geological survey for Guiyang urban rail transit projects, karst is a common unfavorable geological condition and also the top geological issue to be confronted.
LI Fabin   +4 more
doaj   +1 more source

“Cold Tropics”: Permafrost Existence and Thickness on Eastern Nevado Coropuna (Southern Peruvian Andes) Revealed by Ground‐Penetrating Radar and Geoelectrical Soundings

open access: yesPermafrost and Periglacial Processes, Volume 37, Issue 3, Page 517-534, July/September 2026.
ABSTRACT The existence of permafrost was explored at tropical latitude on Nevado Coropuna (southern Peruvian Andes) using a combination of ground‐penetrating radar (GPR) and vertical electrical sounding (VES) in order to strengthen the mutual validation of data processing and interpretation.
Velnia Chacca   +6 more
wiley   +1 more source

From the Herľany geyser to prove sources of geothermal potential in the Košice basin [PDF]

open access: yesActa Montanistica Slovaca, 2007
Slovakia is a watering place known in the past. A little but very benefit spa lies near the village Herľany below the foothil of the western slopes of the Slanské vrchy Mts.
Juraj Ďurove   +3 more
doaj  

Stable Water Isotopes Improve Calibration and Flow Path Identification in Integrated Hydrological Models

open access: yesWater Resources Research, Volume 62, Issue 7, July 2026.
Abstract Hydrological models often exhibit equifinality, where different parameter sets produce similar hydrometric outputs but alter internal catchment processes and partitioning. Incorporating new information amongst calibration targets helps narrow the range of viable models.
Omar Ashraf Nimr   +3 more
wiley   +1 more source

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