Results 61 to 70 of about 21,103 (230)

Research on Precise Identification of Rock Strength Based on Bolt Drilling Parameters

Energy Science &Engineering, Volume 14, Issue 3, Page 1353-1371, March 2026.
Drilling detection test platform. ABSTRACT During roadway excavation, the presence of weak interlayers and fractured rock masses significantly affects roof stability. To achieve timely and effective roadway support, it is crucial to identify and predict different rock types based on drilling signals from roof bolters.
Qiang Zhu, Sheng Biao Wang, Da Jiang Wen, Chong‐Yu Song, Kang Zhou   +4 more
wiley   +1 more source

Frozen Soil Hydrological Processes and Their Effects: A Review and Synthesis

Reviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract Frozen soils, including seasonally frozen ground and permafrost, are rapidly changing under a warming climate, with cascading effects on water, energy, and carbon cycles. We synthesize recent advances in the physics, observation, and modeling of frozen‐soil hydrology, emphasizing freeze–thaw dynamics, infiltration regimes and preferential flow,
Ying Zhao, Ce Zheng, Alexander Gelfan, Kunio Watanabe, Haojie Liu, Stephanie Wright, Xiaolong Wu, William Quinton, Yi Wang, Shuhua Yi, Yongyong Zhang, Yujie Shi, Wentao Jiao   +12 more
wiley   +1 more source

Measuring Soil Water Content with Ground Penetrating Radar: A Decade of Progress

Vadose Zone Journal, 2018
Tremendous progress has been made with respect to ground penetrating radar (GPR) equipment, data acquisition, and processing since the establishment of GPR as a tool for soil water content determination in vadose zone hydrology about 25 yr ago.
A. Klotzsche, F. Jonard, M.C. Looms, J. van der Kruk, J.A. Huisman   +4 more
doaj   +1 more source

Influence of grain size, shape and compaction on georadar waves: example of an Aeolian dune

, 2012
Many Ground Penetrating Radar (GPR) profiles acquired in dry aeolian environment have shown good reflectivity inside present-day dunes. We show that the origin of this reflectivity is related to changes in grain size distribution, packing and/or grain ...
Adetunji, Annan, Asami, Atkins, Bagnold, Bano, Bano, Bano, Barndorf-Nielsen, Bayard, Boyle, Bristow, Bristow, Bristow, Bruggeman, Costas, Davis, Greaves, Gómez-Ortiz, Hanai, Harari, Hunter, Jackson, Jean-Remi Dujardin, Jiao, Jol, Julien Guillemoteau, Koltermann, Lancaster, Lehmann, Maksim Bano, Marion, Maxwell-Garnett, McGeary, Mendelson, Mountney, Neal, Otto, Robinson, Robinson, Sen, Shenk, Sihvola, Stratton, Thomas, Von Hippel, Wang, Watson, Widess, Zeng   +49 more
core   +5 more sources

Broadband Dielectric Analysis of Clays: Impact of Cation Exchange Capacity, Water Content, and Porosity

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 3, March 2026.
Abstract Clay‐rich soils and sediments are key components of near‐surface systems, influencing water retention, ion exchange, and structural stability. Their complex dielectric response under moist conditions arises from surface–ion electrostatics and diffuse double layers that govern transport and retention processes. This study explores the broadband
Felix Schmidt, Norman Wagner, Ines Mulder, Katja Emmerich, Thierry Bore, Jan Bumberger   +5 more
wiley   +1 more source

Ground-penetrating radar study of the Rahivere peat bog, eastern Estonia [PDF]

Estonian Journal of Earth Sciences, 2011
The current case study presents results of the ground-penetrating radar (GPR) profiling at one of the Saadjärve drumlin field interstitial troughs, the Rahivere bog, eastern Estonia.
Jüri Plado, Ivo Sibul, Mario Mustasaar, Argo Jõeleht   +3 more
doaj   +1 more source

Microwave detection of buried mines using non-contact, synthetic near-field focusing [PDF]

, 2001
Existing ground penetrating radars (GPR) are limited in their 3-D resolution. For the detection of buried land-mines, their performance is also seriously restricted by `clutter'. Previous work by the authors has concentrated on removing these limitations
ADERIN, BENJAMIN, BENJAMIN, BENJAMIN, BENJAMIN, CARTER, E. McCutcheon, EIDE, G.N. Crisp, G.S. Hilton, HABIGER, I.J. Craddock, NILAVALAN, NILAVALAN, PETERS, R. Benjamin, R. Nilavalan, S. Litobarski, VITEBSKIY   +18 more
core   +1 more source

Revealing the Internal Structure of Mars‐Analog Glaciers From Drone‐Based Radar Sounding

Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.
Abstract Martian debris‐covered glaciers (DCGs) contain large quantities of water ice beneath a protective layer of rock and dust. Properties of the overlying regolith such as density and depth to ice are critical parameters for guiding in situ resource utilization (ISRU) of water and coring missions targeting potential habitats.
Roberto J. Aguilar, John W. Holt, Michael S. Christoffersen, Tyler M. Meng, Stefano Nerozzi   +4 more
wiley   +1 more source

Ground penetrating radar at work: A realistic perspective on utility surveying in the Netherlands through a comprehensive ground-truth dataset

Data in Brief
This dataset provides a comprehensive compilation of Ground Penetrating Radar (GPR) surveys across 125 utility surveying activities in the Netherlands.
Ramon B.A. ter Huurne, Léon L. Olde Scholtenhuis, André G. Dorée   +2 more
doaj   +1 more source

Magnetic, electrical, and GPR waterborne surveys of moraine deposits beneath a lake: A case history from Turin, Italy [PDF]

, 2011
Bathymetry and bottom sediment types of inland water basins provide meaningful information to estimate water reserves and possible connections between surface and groundwater.
Cesare Comina, Claudio Piatti, Embriaco D., Lagabrielle R., Luigi Sambuelli, Sambuelli L., Silvia Bava   +6 more
core   +1 more source