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All Journal Physics Student Journal INDONESIAN JOURNAL OF APPLIED PHYSICS KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Indonesian Physical Review Jurnal Sylva Lestari
Muwardi Sutasoma
Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Astronomy Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology Physics

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IDENTIFIKASI STRUKTUR BAWAH PERMUKAAN DI DAERAH PANASBUMI KASINAN, KOTA BATU, BERDASARKAN METODE GAYABERAT DAN SUHU Sutasoma, Muwardi; Maryanto, Sukir; Santoso, Didik Rahadi
Physics Student Journal Vol 2, No 1 (2014)
Publisher : Department of Physics - Faculty of Science

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Abstract

Study on geothermal potential in Kasinan, Batu City has been conducted based on gravity method. The aimed of this study is to determine subsurface structure in this field. Data acquisition has performed in 95 point around the location. The study was conducted to obtain  Bouguer anomaly and residual anomaly. Upward continuation method performed to gain residual and regional anomaly values. Two types of cross-section modeling have been carried from local anomaly value : AA’ and BB’ trajectories.The depth of below surface modeling is 2000 meters. The results of modeling confirmed that the rock types compotition on AA’ and BB’ trajectory are andesite, tuff, and Lava.
IDENTIFIKASI AIR TANAH DENGAN METODE GEOLISTRIK RESISTIVITAS KONFIGURASI SCHLUMBERGER DI CANDI DASA PROVINSI BALI Muwardi Sutasoma; Anjar Pranggawan Azhari; Meidi Arisalwadi
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 3 No 2 (2018): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (671.957 KB) | DOI: 10.20414/konstan.v3i2.8

Abstract

Pengukuran resistivitas secara sounding telah dilakukan di daerah Candi Dasa (CD), Provinsi Bali. Tujuan penelitian ini adalah mengidentifikasi sumber air tanah baru. Untuk menentukan posisi aquifer air tanah bawah permukaan maka dilakukan pengambilan data sounding di dua titik yaitu CD 1 dan CD 2. Metode yang digunakan adalah metode geolistrik resistivitas Konfigurasi Schlumberger dengan panjang lintasan CD 1 dan CD 2 adalah 150 m dengan spasi 1 m. Pemrosesan data dengan menggunakan software IP2Win dan Progress 3 untuk memungkinkan penggambaran distribusi resistivitas batuan dalam 1 D. Hasil interpretasi menunjukkan bahwa struktur batuan bawah permukaan terdiri dari batuan soil, tuff, lava dan sandy tufa. Hasil interpretasi menunjukkan bahwa lapisan batuan yang terdapat terbentuk karena aktifitas vulkanik yang berasal dari aktifitas Gunung Agung yang berada di Kabupaten Karang Asem. Batuan seperti lava dan tuff adalah batuan yang memiliki porositas yang kecil karena memiliki ukuran butiran yang halus dan kecil, memiliki permeabilitas yang rendah sehingga menyebabkan susah untuk menyimpan dan dan mengalirkan air. Lapisan batuan ini diperkirakan berfungsi sebagai lapisan impermeable dan selanjutnya berfungsi untuk menahan air yang mengalir secara horizontal. Selanjutnya, lapisan batuan sandy tufan yang memiliki porositas dan permeabilitas yang besar karena memiliki butiran batuan yang besar bertugas untuk menyimpan dan mengalirkan air.
Penyelidikan Zona Longsor dengan Metode Resistivitas dan Analisis Stabilitas Lereng untuk Mitigasi Bencana Tanah Longsor Muwardi Sutasoma; Adi Susilo; Eko Andi Suryo
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 7, No 1 (2017): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v7i1.8784

Abstract

Research using geoelectric resistivity dipole-dipole configuration and slope stability analysis has been done in the area Jawar, District Dampit to find out the sliding plane landslide, landslide direction and factor of safety. Tracks Retrieval of data by the method of geoelectric resistivity as much as 5 tracks with the direction of the southeast to the northwest three tracks with a length of 100 m - 200 m and southwest to northeast as many as two passes with a length of 200-300 m. While the slope stability analysis performed topographic map data retrieval and data collection sondir and boring. Based on the analysis of the lithology of the study area using resistivity geoelectric method shows three layers of soil is clay (the top layer), tuff (middle layer) and basalt and lava (bottom layer). sliding plane landslide area is in the boundary between the layers of clay and tuff (a depth of 10.5 m). Based on the results of data processing of 3D resistivity geoelectric, landslide direction is southeast. Safety factor value of the security research area based slope stability analysis is 1.015. This value indicates that this area is prone to landslides.
The Wetu Telu Community’s Customary Chief Influence on the Management of Indigenous Forests in Bayan, North Lombok, West Nusa Tenggara Jayadi, Edi Muhamad; Khairi, Akhmad Khalakul; Sutasoma, Muwardi
Jurnal Sylva Lestari Vol. 12 No. 3 (2024): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v12i3.985

Abstract

The existence of an institution system and customary chief is very important for the sustainability of customary forest management. This study attempts to explain the function of the traditional chief of Wetu Telu community in the management of indigenous forests in the Bayan Sub-District, North Lombok Regency, West Nusa Tenggara Province, as well as the institutional framework and changes in that function. Observation, interviews, and documentation were used to collect data. The data obtained was analyzed thematically using Nvivo 12 Software, while a descriptive analysis used the Milles and Huberman Model. The results show that customary chiefs have the following roles: raise public awareness, spearhead conservation efforts, convey moral and spiritual messages, guide and oversee conservation efforts, mediate conflicts of interest related to nature, lead religious activities related to nature, and establish communication and collaboration. The institutional system of the Wetu Telu community’s customary chief consists of several components, including special requirements, an appointment mechanism, personnel, a term of office, a source of income, and a dismissal mechanism. The role of the customary chief in indigenous forest management continues to be strengthened from time to time. The reasons for strengthening the role of the customary chief are the issuance of the Constitutional Court Decision Number 35 of 2012 concerning the status of indigenous forests, the recognition of the success of local wisdom-based forest management patterns, increasing public awareness of the importance of environmental conservation, global warming, and, the development of ecotourism. Keywords: customary chief, indigenous forest management, local government, Wetu Telu community
LANDSLIDE AREA MAPPING IN DAMPIT SUBDISTRICT, MALANG DISTRICT, EAST JAVA PROVINCE USING SATELLITE IMAGERY OF GRAVITY DATA FOR DISASTER MITIGATION Sutasoma, Muwardi; Susilo, Adi; Maryanto, Sukir; Aprilia, Faridha; Bunga Puspita, Mayang; Habibiy Idmi, Mohammad; Hasan, Muhammad Fathur Rouf; Almais, Agung Teguh Wibowo; Herwiningsih, Sri
Indonesian Physical Review Vol. 8 No. 3 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i3.487

Abstract

Research using satellite imagery of gravity data has been conducted in the Dampit District, Malang Regency, East Java Province. This research was conducted to identify areas vulnerable to landslides. The results of this research can serve as a basis for the government to develop effective landslide disaster mitigation policies, thereby minimizing the losses incurred. The data used is TOPEX satellite gravity data in the form of Free Air Correction data, and supported by landslide vulnerable areas data from the InaRisk satellite. The research area is 23 km x 16 km with 2 km spacing between points and 184 measurement points. Furthermore, the research area is divided into four areas: Area A1, Area A2, Area A3, and Area A4.  The residual anomaly value in the study area is between 82.7 mGal to 142.4 mGal. The residual anomalies are more variable due to the local nature of the anomalies. The correlation between the residual anomaly value and InaRisk satellite image data shows that Area A4 is the most vulnerable to landslides, especially if there is a trigger such as an earthquake.  This is because Area A4 has a low-density value, a large fault, and is the contact area between the Mandalika Formation and Wuni Formation.
Co-Authors Adi Susilo Adi Susilo Agung Teguh Wibowo Almais Anjar Pranggawan Azhari Aprilia, Faridha Bunga Puspita, Mayang Didik Rahadi Santoso Edi Muhamad Jayadi Eko Andi Suryo Habibiy Idmi, Mohammad Khairi, Akhmad Khalakul Meidi Arisalwadi Muhammad Fathur Rouf Hasan Sri Herwiningsih Sukir Maryanto