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Hydrostratigraphic Model Analysis Based on Rock Resistivity Data in the Purbalingga Regency Area, Central Java, Indonesia
Indonesian Journal of Geography · Vol. 57 No. 3 (2025) · hlm. 561–570
- ISSN
- 2354-9114, 0024-9521
- Terbit
- 2025-12-29
- Penerbit
- Faculty of Geography, Universitas Gadjah Mada
- Bahasa
- eng
Abstrak
The availability of groundwater for irrigation in Purbalingga Regency, requires significant attention since the region has an extensive rice field, necessitating systematic groundwater exploration and the implementation of appropriate management strategies. A geoelectrical resistivity survey has been conducted to investigate groundwater resources and to construct a hydrostratigraphic model that facilitates the interpretation of hydrogeological conditions, including aquifer distribution, groundwater depth, and productive zones. Resistivity data were collected from 16 points distributed across the districts of Kalimanah, Purbalingga, Kemangkon, and Bukateja. The correlation of resistivity logs produced detailed hydrostratigraphic cross-sections, illustrating lithological variations, layer thicknesses, and aquifer distribution. Interpretation down to a depth of 200 m identified two major formations: the Alluvium Formation and the Terrace Formation. The Alluvium Formation, consisting of sandy clay, sand, and clayey sand, exhibits resistivity values ranging from 0.87 to 69.43 Ωm, whereas the Terrace Formation, composed of tuffaceous sandstone, sand, conglomerate, and tuff, with resistivity values between 7.81 and 38.09 Ωm. Hydrostratigraphic modeling indicates that aquifer productivity varies across the study area. Kalimanah District, dominated by low-resistivity deposits (0.87–8.55 Ωm), is interpreted as having the highest aquifer productivity, making it particularly suitable for the development of groundwater-based irrigation. This study introduces a resistivity-based interpretative approach to classify hydrostratigraphic characteristics by correlating resistivity values with local geological conditions. Play This Podcast Article
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24 penulis · 88 tautan kepenulisan bersama · 37 lintas organisasi
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- Jenderal Soedirman University
- Sebelas Maret University
- Universitas Islam Negeri Ar-Raniry
- Sumatera Institute of Technology
- Universitas Negeri Padang
- Hasanuddin University
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| Rekan penulis | Organisasi | Artikel bersama |
|---|---|---|
| Sukmaji Anom Raharjo | Jenderal Soedirman University | 5 |
| Urip Nurwijayanto Prabowo | Jenderal Soedirman University | 3 |
| Aina Zahra Ikhwana | Jenderal Soedirman University | 2 |
| Sorja Koesuma | Sebelas Maret University | 2 |
| Adi Chandra | Jenderal Soedirman University | 1 |
| Choirul Singgih Munandar | Sebelas Maret University | 1 |
| Laila Ariska | Jenderal Soedirman University | 1 |
| A. Arifin | Hasanuddin University | 1 |
| Jamrud Aminuddin | Jenderal Soedirman University | 1 |
| Nurhayati Nurhayati | Universitas Islam Negeri Ar-Raniry | 1 |
| Agustina Widiyani | Sumatera Institute of Technology | 1 |
| Bilalodin Bilalodin | Jenderal Soedirman University | 1 |
| Mukhtar Effendi | Jenderal Soedirman University | 1 |
| Pakhrur Razi | Universitas Negeri Padang | 1 |
| Wihantoro Wihantoro | Jenderal Soedirman University | 1 |
| Farzand Abdullatif | Jenderal Soedirman University | 1 |
| Sunardi Sunardi | Jenderal Soedirman University | 1 |
| Urip Nur Wijayanto Prabowo | Afiliasi tidak diketahui | 1 |
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