Introduction of a Ground Penetrating Radar System for Subsurface Investigation in Balik Pulau, Penang Island

Ground penetrating radar (GPR) are non-invasive geophysical techniques that enhance studies of the shallow subsurface. The purposes of this work are to study the subsurface composition of Balik Pulau area in Penang Island and to identify shallow subsurface geology features. Data acquisition for GPR...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-04, Vol.995 (1), p.12098
Main Authors: Teoh, YJ, Bruka, MA, Idris, NM, Ismail, NA, Muztaza, NM
Format: Article
Language:English
Subjects:
Clay soils
Geophysical methods
Ground penetrating radar
Physics
Radar equipment
Signal reflection
Subsurface investigations
Wave reflection
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Summary:Ground penetrating radar (GPR) are non-invasive geophysical techniques that enhance studies of the shallow subsurface. The purposes of this work are to study the subsurface composition of Balik Pulau area in Penang Island and to identify shallow subsurface geology features. Data acquisition for GPR is by using 250 MHz antenna to cover 200m survey line at Jalan Tun Sardon, Balik Pulau. GPR survey was divided into ten sections at 20 m each. Results from GPR shows that there is low EM reflection along the first 40 m of the survey line. Intense EM reflections were recorded along the distance 40 m to 100 m. Less noticeable radar reflections recorded along 100 m to 200 m distance of the survey line. As a conclusion, clear signal of radar wave reflection indicates dry region of the subsurface. Meanwhile, low signal of radar wave reflection indicates highly weathered granitic soil or clay of the subsurface.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/995/1/012098