Results 21 to 30 of about 20,963 (163)

Research on damage visualization of concrete structures based on electrical resistance tomography

open access: yesFrontiers in Physics, 2022
Concrete is used in the construction of high-rise buildings, large bridges, viaducts and other structures for a wide range of applications, and damage to the internal structure of concrete may to lead to catastrophic accidents.
Chenhui Su   +4 more
doaj   +1 more source

INTEGRATED GEOPHYSICAL-GEOTECHNICAL ASSESSMENT OF SAND RESOURCES FOR DREDGING AT NUNG IKONO UFOK, NIGERIA [PDF]

open access: yesGeological Behavior
This study presents an integrated geophysical-geotechnical assessment of sand resources in Nung Ikono Ufok, Nigeria, to evaluate their suitability for large-scale dredging operations.
Archibong, Mbereobong F, Uduak Polycarp
doaj   +1 more source

3-D GPR visualization technique integrated with electric resistivity tomography for characterizing near-surface fractures and cavities in limestone

open access: yesJournal of Taibah University for Science, 2022
Near-surface geophysical techniques, (i.e. ground-penetrating radar (GPR) and electric resistivity tomography (ERT)), continue to enable great possibilities for 3-D visualization of fractures and cavities. An integrated survey, including GPR and ERT, was
Mahmoud Gaballah, Thamer Alharbi
doaj   +1 more source

Comparison of the Calibration Algorithms and SI Traceability of MODIS, VIIRS, GOES, and GOES-R ABI Sensors

open access: yesRemote Sensing, 2016
The radiometric calibration equations for the thermal emissive bands (TEB) and the reflective solar bands (RSB) measurements of the earth scenes by the polar satellite sensors, (Terra and Aqua) MODIS and Suomi NPP (VIIRS), and geostationary sensors, GOES
Raju Datla   +3 more
doaj   +1 more source

Imaging and locating paleo-channels using geophysical data from meandering system of the Mun River, Khorat Plateau, Northeastern Thailand

open access: yesOpen Geosciences, 2017
The Khorat Plateau from northeast Thailand, the upstream part of the Mun River flows through clastic sedimentary rocks. A massive amount of sand was transported.
Nimnate P.   +3 more
doaj   +1 more source

Probable two-layered permafrost formation, as a result of climatic evolution in mountainous environment of Storglaciären forefield, Tarfala, Northern Scandinavia [PDF]

open access: yesPolish Polar Research, 2018
The analysis of climate changes in of the Tarfala valley and Kebnekaise Mts area, and changes within the range of the Scandinavian Glaciation shows that even in the warmest period of Holocene there were favourable environmental conditions for permafrost ...
Wojciech Dobiński, Michał Glazer
doaj   +1 more source

ERT 2013

open access: yesDesign/Arts/Culture, 2022
In June 2013, the memorandum Greek government decided to shut down the public radio and television broadcaster, ERT. This is a photographic documentary of the anti-government protests in the courtyard of ERT headquarters, during the occupation of the premises by the majority of employees, trying to keep the voice of public broadcaster alive. 
openaire   +3 more sources

Investigation of groundwater characteristics and its influence on Landslides in Heifangtai Plateau using comprehensive geophysical methods

open access: yesJournal of Groundwater Science and Engineering, 2023
The occurrence of landslides in Heifangtai plateau is primarily caused by the rise in water levels due to irrigation. To accurately understand the distribution of groundwater and its impact on the landslide hazard, a combination of Electrical Resistivity
Feng-dan Yu   +3 more
doaj   +1 more source

Geophysical simulation of landslide model based on electrical resistivity and refraction seismic tomography through unstructured meshing [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering
Mass movements of land, such as landslides, pose significant threats to human safety and infrastructure. This study focuses on advancing the understanding of landslide dynamics through the application of geophysical surveys, specifically Electrical ...
Amir Yazdanpanah, Maysam Abedi
doaj   +1 more source

An integrated geophysical approach for urban underground characterization: the Avigliano town (southern Italy) case study

open access: yesGeomatics, Natural Hazards & Risk, 2019
A geophysical approach, based on the integration of satellite differential interferometric SAR technique and in situ geoelectrical and seismic methods, was applied with the aim to characterize a portion of urban area of Avigliano (PZ) town in Basilicata ...
G. Calamita   +9 more
doaj   +1 more source

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