Mapping peat thickness and groundwater level using a portable electromagnetic instrument in Indragiri Hilir, Riau, Indonesia

Sutikno, Sigit; Yusa, Muhamad; Hendri, Andy; Kusairi, Muhammad; Muhammad, Ahmad; Qomar, Nurul

doi:10.15243/jdmlm.2025.123.7431

Akses terbuka Jurnal SINTA 1

Mapping peat thickness and groundwater level using a portable electromagnetic instrument in Indragiri Hilir, Riau, Indonesia

Journal of Degraded and Mining Lands Management · Vol. 12 No. 3 (2025) · hlm. 7431–7441

DOI: 10.15243/jdmlm.2025.123.7431
ISSN: 2502-2458, 2339-076X
Terbit: 2025-04-01
Penerbit: Brawijaya University
Bahasa: eng
Lisensi: creativecommons.org/licenses/by-nc/4.0

Abstrak

Peatlands play a crucial role in the global carbon cycle, water regulation, biodiversity conservation, research, education, and recreation. Peat thickness and groundwater level (GWL) are key parameters for optimizing these peatland functions; therefore, mapping peat thickness and GWL quickly, accurately, and cost-effectively is essential. This study applied a geophysical survey using a portable electromagnetic instrument to estimate peat thickness and GWL. The instrument, which is simple to operate and wirelessly connected to a mobile phone, enables rapid measurement and visualization of subsurface resistivity. A research site in Indragiri Hilir Regency, Riau Province, Indonesia, was picked up as an experiment site to test the instrument. Three transects with measurement path lengths of 100 m each and a distance of about 1.4 km each were designed for the experiment. To validate the resistivity data against subsurface stratigraphy, core sampling was conducted at three points along each transect. The results demonstrated that the electromagnetic method effectively identified the interface between peat soil and the underlying marine clay. Analysis revealed that the resistivity values for unsaturated peat, saturated peat, and saturated clay were 68-81 ohm m, 75-96 ohm m, and 82-115 ohm m, respectively. These findings suggest that GWL mapping and peat stratigraphy characterization can be accurately achieved using this method.

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Riau University
National Research and Innovation Agency
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Rekan penulis	Organisasi	Artikel bersama
Koichi Yamamoto	Afiliasi tidak diketahui	8
Rinaldi Rinaldi	Afiliasi tidak diketahui	5
Hendra Saputra	Afiliasi tidak diketahui	3
Khusnul Setia Wardani	National Research and Innovation Agency	3
Nur Hidayati	Afiliasi tidak diketahui	3
ZULKIFLI ZULKIFLI	Afiliasi tidak diketahui	2
Soewignjo Agus Nugroho	Afiliasi tidak diketahui	2
Syawal Satibi	Afiliasi tidak diketahui	2
Agus Ika Putra	Afiliasi tidak diketahui	2
Dhani Adrian Firmansyah	Afiliasi tidak diketahui	1
Kausar Kausar	Afiliasi tidak diketahui	1
arfan andre susanto	Afiliasi tidak diketahui	1
Arfan Andre Susanto	Riau University	1
Ahmad Rifai	Riau University	1
Sinta Haryati Silviana	Afiliasi tidak diketahui	1
Bambang H. Saharjo	Afiliasi tidak diketahui	1
Yenni Vetrita	Afiliasi tidak diketahui	1
Ahmad Nurhuda	Afiliasi tidak diketahui	1
M Mubarak	Afiliasi tidak diketahui	1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.

Metadata asli (oai_dc)

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	<dc:title xml:lang="en-US">Mapping peat thickness and groundwater level using a portable electromagnetic instrument in Indragiri Hilir, Riau, Indonesia</dc:title>
	<dc:creator>Sutikno, Sigit</dc:creator>
	<dc:creator>Yusa, Muhamad</dc:creator>
	<dc:creator>Hendri, Andy</dc:creator>
	<dc:creator>Kusairi, Muhammad</dc:creator>
	<dc:creator>Muhammad, Ahmad</dc:creator>
	<dc:creator>Qomar, Nurul</dc:creator>
	<dc:subject xml:lang="en-US">electromagnetic</dc:subject>
	<dc:subject xml:lang="en-US">ground water level</dc:subject>
	<dc:subject xml:lang="en-US">handy instrument</dc:subject>
	<dc:subject xml:lang="en-US">peat thickness</dc:subject>
	<dc:subject xml:lang="en-US">resistivity</dc:subject>
	<dc:description xml:lang="en-US">Peatlands play a crucial role in the global carbon cycle, water regulation, biodiversity conservation, research, education, and recreation. Peat thickness and groundwater level (GWL) are key parameters for optimizing these peatland functions; therefore, mapping peat thickness and GWL quickly, accurately, and cost-effectively is essential. This study applied a geophysical survey using a portable electromagnetic instrument to estimate peat thickness and GWL. The instrument, which is simple to operate and wirelessly connected to a mobile phone, enables rapid measurement and visualization of subsurface resistivity. A research site in Indragiri Hilir Regency, Riau Province, Indonesia, was picked up as an experiment site to test the instrument. Three transects with measurement path lengths of 100 m each and a distance of about 1.4 km each were designed for the experiment. To validate the resistivity data against subsurface stratigraphy, core sampling was conducted at three points along each transect. The results demonstrated that the electromagnetic method effectively identified the interface between peat soil and the underlying marine clay. Analysis revealed that the resistivity values for unsaturated peat, saturated peat, and saturated clay were 68-81 ohm m, 75-96 ohm m, and 82-115 ohm m, respectively. These findings suggest that GWL mapping and peat stratigraphy characterization can be accurately achieved using this method.</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</dc:publisher>
	<dc:date>2025-04-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/16996</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2025.123.7431</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 12 No. 3 (2025); 7431-7441</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2025.123</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/16996/1442</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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