Detection of water seepage in lake body using ground penetrating radar method

Dina Yulianita, Rizha Rizky Aisyah, Abdurrahman Wafi, Nugroho Syarif Setiawan, Mariyanto Mariyanto*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

Ground Penetrating Radar (GPR) is a geophysical method used to identification subsurface condition at a certain depth, using a source of electromagnetic waves in the form of radar. Geoscanners Akula A9000C and Antenna Gecko 60 with 60 MHz antenna frequency were used for data acquisition for this study. Survey data was conducted as many four lines, located on the south and east sides of the lake, with the distance range from 0 to 145 m. This paper reports basic signal processing GPR data using matGPR for the analysis and modelling. The results show that there is anomaly which is suspected as water seepage appear on depth of 2 m. On the lengthwise line, anomalies show on a distance of 20 m and 35 m (line A) and 125 m and 135 m (line B), while on the crosswise line anomalies show on a distance of 35 m and 50 m (line C), 25 m and 95 m (line D). Water seepage can be found in this area as it is formed by alluvial depositional environment, remembering that the characteristics and rocks lithology in this area can stimulate water infiltration process. Water seepage will cause erosion of the lake and can collapse the lake's structure.

Original languageEnglish
Article number012012
JournalJournal of Physics: Conference Series
Volume1876
Issue number1
DOIs
Publication statusPublished - 10 May 2021
Event3rd International Conference on Research and Learning of Physics, ICRLP 2020 - Padang, India
Duration: 3 Sept 20204 Sept 2020

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