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Journal : Indonesian Journal of Forestry Research

IMAGING TROPICAL PEATLAND AND AQUIFER POTENTIAL IN SOUTH SUMATERA USING ELECTRICAL RESISTIVITY TOMOGRAPHY Ramdhani, Muhammad Rizki; Ruhimat, Acep; Wiyono, Wiyono; Barnes, Ahmad
Indonesian Journal of Forestry Research Vol. 7 No. 1 (2020): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2020.7.1.1-14

Abstract

Indonesia has one of the largest tropical peatland areas in the world. In Sumatra Island, peatland is spread over 11 areas and it was mainly found in Riau (60.1%) and South Sumatra (19.6 %) Provinces. This study investigates the subsurface of tropical peatland in Ogan Komering Ilir Regency, South Sumatra Province. Data was recorded using Electrical Resistivity Tomography (ERT) method based on the sub-surface images of tropical peatland. This study was conducted based on dipole-dipole configuration with 72 channels spread. This paper also studies the physical properties (thickness and electrical resistivity) of peatland and its substrate using ERT. In this study the ERT section and the geological map identified Alluvium (Qs), Kasai Formation, and the Basement. Result shows the ERT is applicable for imaging the thickness of tropical peatland and other geological features (Aquifer, geological structures, and stratigraphy). The electrical resistivity of peat varies from 20 ohm meter to 120 ohm meter and the thickness of peat varies from 2–5 meter. In some ERT sections, the basement was identified from 130 meter to 170 meter beneath the surface. The aquifer sweet spots were located from ERT Sections combined with the hydrogeological map. The aquifer was identified in Kasai Formation. The thickness of the aquifer layer is 2–20 meter. These physical properties may support the peatland conservation (forest fire mitigation) and geotechnical analysis purposes.
Co-Authors Abdul Hafidz Achmad Fatchul Aziez Achmad Nurmandi Ade Jubaedi Agus Budiyono Akin, Özgenç Al Mahfuz, Al Mahfuz Alfatih, Zhilan Zhalilla Puti Alhafi, Azwar Najib Alifah, Maulida Amir Hamzah Andika, Putu Pradnya Andriyani, Diana Arensi, Niken Arif Cahyanto Arif Hidayatullah, Arif BAMBANG SUJATMIKO Bangsa, Vanessa Bunga Barnes, Ahmad Bela Pitria Hakim Budiarta DARYANTI DARYANTI Denni Susanto Denny Sukma Eka Atmaja Dewi, Amina Sukma Dittyata, Rizki Dwi Susilo Utami Endang Budiasih Endang Sulastri Endang Suprapti Epan Chaidir Febrianita, Maya Fitihatussiriyah, Fitihatussiriyah Hadi Susanto Handoyo Handoyo Haq, Mellanie Nadya Azmi Haris Rachmat Harmani, Evy Harmani, Evy Heri Kustanto Hidayat, Rochmad HIDAYATI, MIFTAKHUL Ilis, N Indah Nofitasari Irwansyah Irwansyah Juwita, Mega Maduratna Karsono Karsono Koesmantoro, Hery Kunanti, Rahmi Anugrah Leo, Andi Lilipaly, Maria Ruthy Hillary Listariyanto, Adwityam Padma Putra Lujeng Widodo, Lujeng Majlani, Majlani Muhammad Ridho Muhammad Rivai Murman Dwi Prasetio Nariyanti, Lucianna Putri Nugraha, Aditya Prawira Oktalina, Silvi Nur OKTI PURWANINGSIH Paiman Paiman Pataropura, Amesanggeng Puspita, Mayang Bunga Rahmat Hermawan Ramdani, Aziz Ramdhani, Muhammad Rizki Rizal Rizal Roedy Kristiyono, Roedy Romadhona, Maya Rosa Ruchimat, Acep Rudiana, Sarah Aulia Ruhimat, Acep Rumengan, Riko Febrian Santoso, Probo Sari, Sri Mardhika Setie Harieni Sheila Amalia Salma Sihombing, Rusman Efendi Siti Mardhika Sari SKD, Tyas Soelistijono , R Soemarah KD , Tyas Sony Meidiansyah Sopian sopian Sri Herwiningsih Subejo Sunaryo Sunaryo Suswara, Naufal Lathief Suwandi, Jessen Laorenza Suyanto, Beny Syahna A, Fayza Teguh Supriyadi Usman Adam Wijaya, Ardie Halim Witjaksono, Bambang Xavier, Rais Yufli Yusuf Kurnia, Yusuf