Detection of karst features using ground-penetrating radar: a case study from the western limestone plateau, Assiut, Egypt

Ebraheem, Mohamed; Ibrahim, Hamza A.

doi:10.1007/s12665-019-8572-x

Cited by 8 publications

(6 citation statements)

References 20 publications

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“…The anomaly of the ring‐type shape is visualized at the opposite side of the tomb entrance. This is interpreted as a subsurface premise that contains a feature of concentric shape located in the intensively fractured rocks at relatively small depth (as a result of quarry development, Ebraheem & Ibrahim, 2019).…”

Section: Resultsmentioning

confidence: 99%

Contributions of ground‐penetrating radar in research of some predynastic and dynastic archaeological sites at the eastern and western banks of the River Nile, Assiut, Egypt

Ebraheem

Ibrahim

2021

Archaeological Prospection

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The ground‐penetrating radar (GPR) prospection method has rarely been used previously in Egyptian archaeology and never for a necropolis. Archaeologists have looked at GPR as a powerful method for exploring subsurface spatial patterns in the archaeological record without excavation. The results of the GPR survey were compared with the archaeological excavation outcomes on two archeological sites in Assiut. The first site is the temple located on a rocky bench on the northern slopes of El‐Hamamia, the Eastern bank of the Nile (a part of El Badari civilization period, belongs to Predynastic cemeteries). The second is the rocky tomb at the Western bank of the Nile at Gahdem (belongs to the period from the IXth to the XXXth dynasty). The main purpose of this study is to correlate the types of reflections recorded from GPR profiles and high‐amplitude features visible in amplitude maps with unearthed archaeological features. The applied software was able to process and analyse different digital data set with the given parameters. In each investigated archaeological area, the details of the GPR model are correlated level‐by‐level to the data of archeological excavations of ancient ages and data of the historical documents. Three‐dimensional time‐slices of the GPR data allow the identification of the enhanced targets of potential archaeological interest before planning excavation. Therefore, this research paper can be used as a benchmark to evaluate the efficiency of GPR method for identifying buried archaeological artifacts/vestiges for future archaeological prospection in Egypt.

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Section: Resultsmentioning

confidence: 99%

Contributions of ground‐penetrating radar in research of some predynastic and dynastic archaeological sites at the eastern and western banks of the River Nile, Assiut, Egypt

Ebraheem

Ibrahim

2021

Archaeological Prospection

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“…To overcome these challenges, geophysical methods and remote sensing techniques have emerged as valuable tools for the non-invasive location of underground cavities. Among geophysical methods, electrical resistivity tomography (ERT) (Cardarelli et al 2006;Park et al 2014), ground penetrating radar (GPR) (Ebraheem and Ibrahim 2019;Pilecki et al 2021), microgravity (Arisona et al 2023), and seismic methods (Liang et al 2018;Rao et al 2021) have been widely applied to investigate karst networks, sinkholes, and underground instabilities (Liu et al 2023). Satellite-based monitoring techniques, such as Interferometric Synthetic Aperture Radar (InSAR), have also succeeded in detecting cavities and monitoring the evolution of sinkholes and subsidence-prone areas, demonstrating the ability to provide wide spatial data coverage with adequate geometric and temporal resolution (Malinowska et al 2019;Esposito et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Modal Analysis of a Lava Tube Roof Complex: Tabernacle Hill, Utah, USA

Grechi,

Moore,

Jensen

et al. 2024

Rock Mech Rock Eng

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Highlights• We used array-based ambient vibration modal analysis and eigenfrequency modeling to characterize the dynamic behavior and structural conditions of a partly collapsed lava tube roof. • Multiple resonance modes were identified from spectral and cross-correlation analyses, and used to calibrate a heterogeneous numerical model of the lava tube. • Our study shows that the combination of experimental and numerical modal analysis is a valuable tool for mapping and structural characterization of underground cavity roofs.

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“…The GPR method is an efficient, non‐destructive and cost‐effective tool for characterizing different sedimentary heterogeneities and structures (Bristow & Jol, 2003; Carrozzo et al., 2008; Ebraheem & Ibrahim, 2019; Leucci & De Giorgi, 2010). However, it can see below and into solid materials using radar waves.…”

Section: Introductionmentioning

confidence: 99%

A comprehensive study of some features from characteristics of enhanced ground‐penetrating radar wave images through convenient data processing within carbonate rock, west of Assiut, Egypt

Ebraheem¹

2023

Geophysical Prospecting

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The Eocene limestone plateau, west of Assiut, is characterized by different sedimentary structural features such as fractures, karst, cavities and marble. All conventional methods failed to detect these features due to their inhomogeneities. In this study, a ground‐penetrating radar survey was applied to an area including an old quarry of marble lying at the eastern part of the limestone plateau. The field survey was carried out using a 200‐MHz antenna following the profiling and areal mapping techniques. The acquired ground‐penetrating radar wave images were processed and interpreted using the available software program to enhance the different reflection characteristics from the subsurface anomalous materials. A series of the three‐dimensional model cross section with variable depths were constructed to identify and characterize different georadar facies changes vertically and laterally. The obtained results were adjusted and compared with the excavated features of the quarry; therefore, ground‐penetrating radar anomalies and reflections were calibrated. In the present study, the ground‐penetrating radar survey succeeded in differentiating between dense limestone rocks, onyx marble and microstructural features resulting from recent tectonism. Moreover, the investigation of ground‐penetrating radar reflection waves is useful in differentiating between low‐ and high‐quality limestone and onyx marble. This study identifies the various features of the limestone plateau lying below the ground surface, west of Assiut, that are to be taken into account by planners when establishing new urban centres on the plateau in the future.

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Detection of karst features using ground-penetrating radar: a case study from the western limestone plateau, Assiut, Egypt

Cited by 8 publications

References 20 publications

Contributions of ground‐penetrating radar in research of some predynastic and dynastic archaeological sites at the eastern and western banks of the River Nile, Assiut, Egypt

Contributions of ground‐penetrating radar in research of some predynastic and dynastic archaeological sites at the eastern and western banks of the River Nile, Assiut, Egypt

Modal Analysis of a Lava Tube Roof Complex: Tabernacle Hill, Utah, USA

A comprehensive study of some features from characteristics of enhanced ground‐penetrating radar wave images through convenient data processing within carbonate rock, west of Assiut, Egypt

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