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Electrical Resistivity Imaging on Limestone Formation for Aquifers Identification in Poguwatu Village, Central Sumba

Jurnal Phi : Jurnal Pendidikan Fisika dan Fisika Terapan · Vol. 12 No. 2 (2026) · hlm. 384–396

DOI
10.22373/p-jpft.v12i2.35101
ISSN
2549-7162, 2460-4348
Terbit
2026-07-31
Penerbit
Universitas Islam Negeri Ar-Raniry
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Poguwatu Village in Central Sumba Regency is a dry area characterized by low rainfall and dominated by carbonate rocks, resulting in limited surface water availability and posing a persistent challenge for groundwater exploration. This study presents the first subsurface investigation using the Dipole-dipole resistivity geoelectrical method to characterize aquifer-bearing rock conducted in Poguwatu Village, West Cendana. This method has the ability to identify the conductor zone related to the saturation area where the water accumulated. Measurements were conducted along 5 survey lines, where each line has 620 m length, except Line 5 extending to 880 m, with 10 m electrode spacing. The measured data calculate in apparent resistivity value and then invert to true resistivity using least-square inversion processes. The result yielded RMS errors ranging from 17.7% to 24.8%. The inversion results identified four rock units based on resistivity values, sandy limestone saturated with saline water ( 128.0 Ωm). A seepage with thickness ± 2 m was identified on Line 2 within the fractured/sandy limestone, bounded below by an impermeable marl. Compact limestone, with very low porosity and permeability, dominates in most of the study area and functions as an aquifuge, a finding corroborated by a dry borehole on Line 5 that failed to yield groundwater. These results indicate limited groundwater potential across Poguwatu Village, and further investigation into alternative water sources from surrounding areas is recommended for the community's water supply.

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  • Sumatera Institute of Technology
  • Universitas Syiah Kuala
  • Bandung Institute of Technology
  • Pusat Air Tanah dan Geologi Tata Lingkungan
  • Universitas Islam Negeri Ar-Raniry
  • University of Malaya
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Rekan penulisOrganisasiArtikel bersama
Putu Pradnya AndikaSumatera Institute of Technology3
Muhammad AlamshahAfiliasi tidak diketahui2
Selvi Misnia IrawatiSumatera Institute of Technology2
Sarah ManurungSumatera Institute of Technology1
Neta Gresiana Santi SiregarAfiliasi tidak diketahui1
Raka Putra Pratama RumansahSumatera Institute of Technology1
Vivin Julianty SitumorangSumatera Institute of Technology1
Wahyu Eko JunianSumatera Institute of Technology1
Rio Restu PutraSumatera Institute of Technology1
Risky Martin AntosiaSumatera Institute of Technology1
Rizka Aulia Shakila RahimSumatera Institute of Technology1
Alya Ayu TrianaSumatera Institute of Technology1
Muzakir MuzakirUniversitas Islam Negeri Ar-Raniry1
Faisal AbdullahUniversitas Syiah Kuala1
Marwan MarwanUniversitas Syiah Kuala1
Rinaldi IdroesUniversitas Syiah Kuala1
Muhammad YanisUniversitas Syiah Kuala1
Muhammad Ridha AdhariUniversitas Syiah Kuala1
Gartika Setiya NugrahaUniversitas Syiah Kuala1
Muhammad YusufUniversitas Syiah Kuala1
Dian Budi DharmaUniversitas Syiah Kuala1
Deni SaputraAfiliasi tidak diketahui1
Azman A. GhaniUniversity of Malaya1
Wahyudi Widyatmoko ParnadiBandung Institute of Technology1
Warsa WarsaBandung Institute of Technology1
Mira NailufarBandung Institute of Technology1
Neng E. JubaedahBandung Institute of Technology1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ar-raniry.ac.id/index.php/jurnalphi/oai, pertama di-harvest 7 Nov 2026, terakhir terlihat 7 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Electrical Resistivity Imaging on Limestone Formation for Aquifers Identification in Poguwatu Village, Central Sumba</dc:title>
	<dc:creator xml:lang="en">Nareswari, Aulia</dc:creator>
	<dc:creator xml:lang="en">Paembonan, Andri Yadi </dc:creator>
	<dc:creator xml:lang="en">Ruchimat, Acep</dc:creator>
	<dc:subject xml:lang="en">Resistivity Method</dc:subject>
	<dc:subject xml:lang="en">Aquifer</dc:subject>
	<dc:subject xml:lang="en">Dipole-Dipole</dc:subject>
	<dc:subject xml:lang="en">Resistivity Method</dc:subject>
	<dc:subject xml:lang="en">Aquifer</dc:subject>
	<dc:subject xml:lang="en">Dipole-Dipole</dc:subject>
	<dc:description xml:lang="en">Poguwatu Village in Central Sumba Regency is a dry area characterized by low rainfall and dominated by carbonate rocks, resulting in limited surface water availability and posing a persistent challenge for groundwater exploration. This study presents the first subsurface investigation using the Dipole-dipole resistivity geoelectrical method to characterize aquifer-bearing rock conducted in Poguwatu Village, West Cendana. This method has the ability to identify the conductor zone related to the saturation area where the water accumulated. Measurements were conducted along 5 survey lines, where each line has 620 m length, except Line 5 extending to 880 m, with 10 m electrode spacing. The measured data calculate in apparent resistivity value and then invert to true resistivity using least-square inversion processes. The result yielded RMS errors ranging from 17.7% to 24.8%. The inversion results identified four rock units based on resistivity values, sandy limestone saturated with saline water (&amp;lt; 2.0 Ωm), marl (2.0–32.0 Ωm), fractured or sandy limestone (32.0–128.0 Ωm), and compact limestone (&amp;gt;128.0 Ωm). A seepage with thickness ± 2 m was identified on Line 2 within the fractured/sandy limestone, bounded below by an impermeable marl. Compact limestone, with very low porosity and permeability, dominates in most of the study area and functions as an aquifuge, a finding corroborated by a dry borehole on Line 5 that failed to yield groundwater. These results indicate limited groundwater potential across Poguwatu Village, and further investigation into alternative water sources from surrounding areas is recommended for the community's water supply.</dc:description>
	<dc:publisher xml:lang="en">Universitas Islam Negeri Ar-Raniry</dc:publisher>
	<dc:date>2026-07-31</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jurnal.ar-raniry.ac.id/index.php/jurnalphi/article/view/35101</dc:identifier>
	<dc:identifier>10.22373/p-jpft.v12i2.35101</dc:identifier>
	<dc:source xml:lang="en">Jurnal Phi : Jurnal Pendidikan Fisika dan Fisika Terapan; Vol. 12 No. 2 (2026); 384-396</dc:source>
	<dc:source xml:lang="id">Jurnal Phi: Kurnal Pendidikan Fisika &amp; Terapan; Vol 12 No 2 (2026); 384-396</dc:source>
	<dc:source>2549-7162</dc:source>
	<dc:source>2460-4348</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jurnal.ar-raniry.ac.id/index.php/jurnalphi/article/view/35101/13307</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Aulia Nareswari, Andri Yadi Paembonan, Acep Ruchimat</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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