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Ground Penetrating Radar (GPR) Techniques and Applications, 2nd Edition
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Archaeology and Classics Program, American University of Rome, Via Pietro Roselli 4 00153 Rome, Italy
School of the Natural Built Environment, Queen’s University, University Road, Belfast BT7 1NN, Northern Ireland, UK
National Institute of Geophysics and Volcanology (INGV), Via di Vigna Murata 605, 00143 Rome, Italy
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Ground Penetrating Radar (GPR) Techniques and Applications, 2nd Edition

Abstract submission deadline
30 September 2025
Manuscript submission deadline
31 December 2025
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Topic Information

Dear Colleagues,

Building on the success of the first edition, the 2nd edition of this Topic aims to further advance and showcase high-quality research in the field of ground penetrating radar (GPR). We continue to invite researchers from diverse disciplines within the journals’ scope to submit innovative papers that highlight the latest developments and applications in their respective areas or to encourage relevant experts and colleagues to contribute. This Topic encompasses, but is not limited to, the following:

  • GPR Theory.
  • Applications of GPR in Various Fields:
    • Architecture;
    • Engineering;
    • Geology;
    • Archaeology and Cultural Heritage;
    • Environment;
    • Forensic Science;
    • Geosciences;
    • Water Management.
  • GPR Technology Development:
    • Design, realisation, and testing of GPR systems and antennas;
    • GPR data processing and analysis;
    • New data processing algorithms.
  • Methodologies and Innovations:
    • Modelling and inversion methods for GPR;
    • Combined use of GPR and other remote sensing techniques;
    • AI and GPR;
    • Drone GPR.

We welcome both original research articles and comprehensive review papers. Researchers are also encouraged to submit short proposals for Topic feature papers to our Editorial Office (topics@mdpi.com) prior to submission. Join us in advancing the field of GPR by contributing to this new edition, where cutting-edge research and interdisciplinary collaboration come together.

Dr. Pier Matteo Barone
Dr. Alastair Ruffell
Dr. Vincenzo Sapia
Topic Editors

Keywords

  • GPR theory
  • remote sensing
  • data processing and modelling
  • GPR antenna design
  • geophysical imaging
  • archaeological prospection
  • forensic GPR
  • environmental monitoring
  • subsurface exploration
  • non-destructive testing (NDT)

Participating Journals

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Geosciences
geosciences 		2.4 5.3 2011 23.5 Days CHF 1800 Submit
Heritage
heritage 		2.0 2.9 2018 19.8 Days CHF 1600 Submit
Remote Sensing
remotesensing 		4.2 8.3 2009 23.9 Days CHF 2700 Submit
Sensors
sensors 		3.4 7.3 2001 18.6 Days CHF 2600 Submit
Forensic Sciences
forensicsci 		- 1.7 2021 20.8 Days CHF 1000 Submit

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Published Papers (2 papers)

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13 pages, 6578 KiB  
Article
A Circularly Polarized Broadband Composite Spiral Antenna for Ground Penetrating Radar
by Hai Liu, Shangyang Zhang, Pei Wu, Xu Meng, Junyong Zhou and Yanliang Du
Sensors 2025, 25(6), 1890; https://doi.org/10.3390/s25061890 - 18 Mar 2025
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Abstract
To enhance the capability of a ground penetrating radar (GPR) in subsurface target identification and improve its polarization sensitivity in detecting underground linear objects, a circularly polarized broadband composite spiral antenna was designed. This antenna integrates equiangular spiral and Archimedean spiral structures, achieving [...] Read more.
To enhance the capability of a ground penetrating radar (GPR) in subsurface target identification and improve its polarization sensitivity in detecting underground linear objects, a circularly polarized broadband composite spiral antenna was designed. This antenna integrates equiangular spiral and Archimedean spiral structures, achieving a wideband coverage of 1–5 GHz with stable circular polarization characteristics. The antenna employs an exponentially tapered microstrip balun for impedance matching and a metallic-backed cavity filled with absorbing materials to enhance its directivity. Experimental results demonstrate excellent radiation performance and stable circular polarization characteristics, with the axial ratio consistently below 3 dB throughout the operating frequency band, highlighting its suitability for polarimetric GPR systems. Furthermore, a 3D GPR measurement using the designed antenna validates its improved capacity for detecting subsurface linear objects, compared to the conventional linearly polarized bowtie antenna. Full article
(This article belongs to the Topic Ground Penetrating Radar (GPR) Techniques and Applications, 2nd Edition)
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19 pages, 6020 KiB  
Article
Numerical Simulation Study on the Impact of Blind Zones in Ground Penetrating Radar
by Wentian Wang, Wei Du, Siyuan Cheng and Jia Zhuo
Sensors 2025, 25(4), 1252; https://doi.org/10.3390/s25041252 - 18 Feb 2025
Viewed by 274
Abstract
Ground-penetrating radar (GPR) is an effective geophysical method for rapid and non-destructive detection. Directional borehole radar is the application of GPR in a borehole, which can determine the depth, orientation, and distance of the target from the borehole. The borehole radar azimuth recognition [...] Read more.
Ground-penetrating radar (GPR) is an effective geophysical method for rapid and non-destructive detection. Directional borehole radar is the application of GPR in a borehole, which can determine the depth, orientation, and distance of the target from the borehole. The borehole radar azimuth recognition algorithm is based on the assumption of far-field plane waves. Therefore, in the near-field area where the target is closer to the borehole, the electromagnetic waves reflected by the target cannot be regarded as plane waves but will have a certain curvature. The plane wave assumption is not valid in this area, so the azimuth recognition algorithm will have significant errors, forming blind zones for directional borehole radar detection. This article uses the finite-difference time-domain (FDTD) algorithm to numerically simulate how blind zones affect directional borehole radar systems, identify the impact patterns, and minimize them. After calculation and numerical simulation verification, it has been found that when the center frequency of the antenna is 1 GHz, within 2 m of the target from the borehole, there is a significant error in azimuth recognition, which can be defined as the near-field region. Similarly, through numerical simulation verification, the optimal antenna center frequency is between 600 MHz and 1100 MHz. Oil-based mud is superior to water-based mud. The optimal antenna center frequency decreases as the target distance increases. Full article
(This article belongs to the Topic Ground Penetrating Radar (GPR) Techniques and Applications, 2nd Edition)
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