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Zulfian Zulfian
Prodi Geofisika FMIPA Universitas Tanjungpura
Astronomy Energy Materials Science & Nanotechnology Medicine & Pharmacology Physics

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Identification Of Peat Soil Thickness Using The Geolectrical Resistivity Method (Case Study: Parit Demang Dalam Road, Pontianak City) Bella Ankara Can; Zulfian Zulfian; Joko Sampurno
BULETIN FISIKA Vol. 27 No. 1 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i01.p04

Abstract

Parit Demang is an area with peatland used for residential purposes, so information on soil thickness in this area is very important for development planning. This study aims to identify peat soil thickness using the Wenner-Schlumberger configuration of the geoelectric method. Data was obtained through three measurement lines, each 50 m long. The 2D inversion modeling at the study site showed that the resistivity values of the peat layer ranged from 32.4 to 315 Ωm, with peat soil thickness between 2.3 to 5.5 m. The interpretation results were validated with soil sample drilling data. The layer located under the peat soil was identified as clay with resistivity between 1.56 to 15.2 Ωm. Information on peat soil thickness can be used as a basis for selecting soil improvement methods by the local community and related parties for development planning, particularly in the process of house construction.
Identification of Peat Soil Thickness Using the 2D Electrical Resistivity Method: Case Study Bansir Darat Subdistrict, Pontianak City Dwi Ishika Noviandita; Zulfian Zulfian; Joko Sampurno
BULETIN FISIKA Vol. 27 No. 1 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i01.p11

Abstract

Bansir Darat is a sub-district that utilizes peatland for residential areas. Therefore, information about peatland thickness is essential for the community in the sub-district. This study aims to identify the thickness of peatland in the Bansir Darat sub-district. The geoelectric resistivity method using the Wenner-Schlumberger configuration was used in this measurement. Data collection was carried out on three tracks with a length of 50 m each and the smallest electrode spacing of 2 m. The obtained field data were inverted using the Least Squares Inversion method. The inversion results in the form of a resistivity cross-section with peatland soil estimated to have a resistivity value of 0.687 - 24.2 Ωm. The interpretation results indicate that the thickness of the peatland varies between 1.5 - 6 m. Information regarding the thickness of the peatland can be used in planning residential development by the local community.
Deteksi Lapisan Bawah Permukaan di Desa Wajok Hilir Menggunakan Metode Geolistrik Resistivitas Konfigurasi Wenner-Schlumberger Aisyah Rafa; Zulfian Zulfian; Radhitya Perdhana; Joko Sampurno; Irfana Diah Faryuni
BULETIN FISIKA Vol. 27 No. 2 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i02.p04

Abstract

Research on the detection of subsurface layers using the Wenner-Schlumberger resistivity geoelectrical method was conducted in Wajok Hilir Village, Mempawah Regency, West Kalimantan Province. This research employed a Geotitis GL-MD-300 resistivity meter. The survey was conducted along three lines, each 260 m in length, using the geoelectrical method. Based on the two dimensional modeling results, the three lines exhibit resistivity values ranging from 5.69 to 3890 Ωm, and interpreted as three subsurface layers: a clay layer at depths of approximately 2,5 until 18.5 m with resistivity values of 5,69 until 237 Ωm, a sandy clay layer at depths of 2.5 until 24.9 m with resistivity values of 237 until 1531 Ωm, and a sand layer extending to depths of up to 39.6 m with resistivity values of 1531 until 3890 Ωm. This information on subsurface layers can be used as supporting data for development planning, environmental management, and hazard mitigation in the region.
Co-Authors Aisyah Rafa Bella Ankara Can Dwi Ishika Noviandita Irfana Diah Faryuni Joko Sampurno Joko Sampurno Joko Sampurno Radhitya Perdhana