Results 51 to 60 of about 6,770 (264)

Evaluating Seismic Ambient Noise Techniques for Imaging Lava Tubes on the Moon

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 4, April 2026.
Abstract Detecting and characterizing lava tubes is a key objective of upcoming lunar missions. While evidence for their presence exists, their precise dimensions and depths remain uncertain. This study evaluates the potential of seismic ambient noise methods, such as seismic interferometry, H/V spectral ratios, distributed acoustic sensing (DAS), and ...
Sabrina Keil   +4 more
wiley   +1 more source

Use of surface waves for geotechnical engineering applications in Western Sydney [PDF]

open access: yesAdvances in Geosciences, 2013
Current in situ methods used to geotechnically characterize the ground are predominantly based on invasive mechanical techniques (e.g. CPT, SPT, DMT).
K. Tokeshi   +3 more
doaj   +1 more source

Shallow Shear‐Wave Reflection Surveys in the Wellington Central Business District

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
Seismic reflection profiling using shear waves provides constraints on the thickness of sediments beneath the Wellington Central Business District. Standard seismic methods were modified for urban environments where limited grassed areas are available and levels of cultural noise are high.
Sam. B. Thorpe‐Loversuch   +2 more
wiley   +1 more source

Integration of the GNSS method and borehole camera to model the resulting spherical cavity generated by the main charge blast in clay

open access: yesBulletin of the Mineral Research and Exploration, 2020
A depth camera was used to record the spherical cavity which occurred during blasting in clay soil. For this purpose, the integration of the Global Navigation Satellite System (GNSS) method was applied in addition to the depth camera and the laser, to ...
Denis Težak   +3 more
doaj   +1 more source

Geological-geotechnical investigations of the historical Diriyah urban zone in Riyadh, Saudi Arabia: an integrated approach

open access: yesFrontiers in Earth Science, 2023
One hundred seventy geotechnical boreholes, two geo-seismic profiles of multichannel analyses of surface waves (MASW), and two geoelectrical cross-sections of electrical resistivity tomography (ERT) were carried out in the historical Diriyah urban zone ...
Kamal Abdelrahman   +2 more
doaj   +1 more source

Experience with light dynamic penetration in a landslide locality [PDF]

open access: yes, 2019
Because of vital prevention and redevelopment measures in problem localities affected by slope instability, geotechnical investigations must be carried out. One of the applicable methods is Light Dynamic Penetration (LDP).
Šancer, Jindřich, Široký, Tomáš
core   +1 more source

PROCJENA FAKTORA POBOLJŠANJA TLA PRIMJENOM MASW-A [PDF]

open access: yesEnvironmental engineering = Inženjerstvo okoliša, 2018
U slučajevima temeljenja, u kojima vrijednosti slijeganja i računske otpornosti tla ne zadovoljavaju tražene kriterije, potrebno je poduzeti mjere kako bi se iste dovele unutar prihvatljivih granica. Jedna od metoda koje se primjenjuju u takvim slučajevima je poboljšanje tla izvedbom šljunčanih pilota.
Dodigović, Filip   +3 more
openaire   +3 more sources

Multi‐scale geophysical mapping of the brine and bedrock surfaces along the Dolores River, Paradox Valley, Colorado, December 2023

open access: yesNear Surface Geophysics, Volume 24, Issue 1, Page 36-49, February 2026.
Abstract Total dissolved solids derived from salt dome–sourced brine in the underlying alluvial aquifer substantially increase with distance in the reach of the Dolores River that passes through Paradox Valley in southwestern Colorado. The area has been the site of salinity control operations since the 1990s to reduce salt loading to the downstream ...
Neil Terry   +5 more
wiley   +1 more source

Investigating of soil features and landslide risk in Western-Atakent (İstanbul) using resistivity, MASW, Microtremor and boreholes methods

open access: yesOpen Geosciences, 2019
In Western-Atakent (İstanbul), population density is increasing day by day and settlement areas are expanding. Soil properties and landslide conditions of these expanding regions must be absolutely examined. In the geophysics, there are many methods used
Keskinsezer Ayhan, Dağ Ersin
doaj   +1 more source

Determination of Seismic Site Class and Potential Geologic Hazards using Multi-Channel Analysis of Surface Waves(MASW) at the Industrial City of Abu Dhabi, UAE

open access: yesNRIAG Journal of Astronomy and Geophysics, 2022
Geophysical investigation activities were conducted at ICAD-II, Abu Dhabi, UAE using Multi-Channel Analysis of Surface Waves (MASW) to determine subsurface geology , material stiffness, potential weak zones down to ~35 m depth, and to propose the ...
T. Abdallatif, A. Khozym, A. Ghandour
semanticscholar   +1 more source

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