Results 81 to 90 of about 10,452 (215)

Mapping the root system of matured trees using ground penetrating radar

, 2018
This study reports a demonstration of the ground penetrating radar (GPR) potential in health monitoring of tree roots. The main aim of the research was to provide effective and high-resolution mapping of tree root systems.
Benedetto, A., LANTINI, LIVIA, A.M. Alani, L. Bianchini Ciampoli, A. Benedetto, Lantini, L., Tosti, F., L. Lantini, Ciampoli, L. Bianchini, F. Tosti, Alani, A. M.   +10 more
core   +1 more source

Ground Penetrating Radar investigations in sites of cultural interest in Malta [PDF]

, 2018
This paper presents the results of a series of geophysical surveys carried out in Malta. In particular, we used a reconfigurable stepped-frequency Ground Penetrating Radar (GPR) prototype to inspect the Argotti Garden in Floriana, looking for ancient ...
Rizzo, Enzo, Persico, Raffaele, Capozzoli, Luigi, Micallef, Aaron, D'Amico, Sebastiano   +4 more
core  

Development of Condition Assessment Index of Ballast Track Using Ground-Penetrating Radar (GPR). [PDF]

Sensors (Basel), 2021
Birhane FN, Choi YT, Lee SJ.
europepmc   +1 more source

Temporal Monitoring of the Soil Freeze-Thaw Cycles over a Snow-Covered Surface by Using Air-Launched Ground-Penetrating Radar

Remote Sensing, 2015
We tested an off-ground ground-penetrating radar (GPR) system at a fixed location over a bare agricultural field to monitor the soil freeze-thaw cycles over a snow-covered surface.
Khan Zaib Jadoon, Lutz Weihermüller, Matthew F. McCabe, Davood Moghadas, Harry Vereecken, Sebastíen Lambot   +5 more
doaj   +1 more source

A Review of Ground Penetrating Radar Antenna Design and Optimization

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Ground Penetrating Radar is a complex nondestructive evaluation technique where the antenna is the most critical part. The antenna is responsible for transmission and reception of waves at the proper level and frequencies defined in the GPR system ...
X. L. Travassos, S. L. Avila, R. L. da S. Adriano, N. Ida   +3 more
doaj   +1 more source

Development of In-Situ Detection Methods for Materials-Related Distress (MRD) in Concrete Pavements, July 2003

, 2003
The purpose of this research was to summarize existing nondestructive test methods that have the potential to be used to detect materials-related distress (MRD) in concrete pavements.

core  

Delineation of Agricultural Drainage Pipe Patterns Using Ground Penetrating Radar Integrated with a Real-Time Kinematic Global Navigation Satellite System

Agriculture, 2018
Better methods are needed for mapping agricultural drainage pipe systems. Prior research on small test plots indicates that ground penetrating radar (GPR) is oftentimes capable of detecting buried drainage pipes; however, the feasibility of employing ...
Barry Allred, DeBonne Wishart, Luis Martinez, Harry Schomberg, Steven Mirsky, George Meyers, John Elliott, Christine Charyton   +7 more
doaj   +1 more source

How Close are the Edges of a Closed Fracture? [PDF]

, 2008
A laboratory experiment is peresented where the theory of amplitude reflection tuning in thin beds is tested.
Calzoni, Corrado, Sambuelli., L., SAMBUELLI, Luigi   +2 more
core  

Characterisation of sedimentary structure and hydraulic behaviour within the unsaturated zone of the Triassic Sherwood Sandstone aquifer in North East England [PDF]

, 2004
A study of the sedimentological framework and permeability characteristics of the Sherwood Sandstone has been undertaken together with a detailed investigation of moisture migration in the vadose zone at a single field site.
Truss, Steven William
core  

Deep learning-based segmentation and detection of tunnel lining defects and components from GPR images using T-GPRMask

Underground Space
Ground penetrating radar (GPR) has been extensively applied in tunnel engineering for the non-destructive assessment of lining structures. However, the interpretation of GPR images remains a time-consuming and expertise-dependent task.
Jiahao Li, Hehua Zhu, Mei Yin
doaj   +1 more source