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All Journal Teknosains: Media Informasi Sains dan Teknologi Jurnal Fisika Unand PROtek : Jurnal Ilmiah Teknik Elektro JPSE (Journal of Physical Science and Engineering) Jurnal Geocelebes Neutrino KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jambura Geoscience Review Jambura Physics Journal Jurnal Fisika : Fisika Sains dan Aplikasinya Jurnal Fisika dan Terapannya
Jayadi, Harsano
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Agriculture, Biological Sciences & Forestry Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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ANALISIS SEISMOTEKTONIK UNTUK PENANGGULANGAN DAERAH RAWAN BENCANA GEMPA BUMI Jayadi, Harsano; Soehaimi, Asdani
JFT : Jurnal Fisika dan Terapannya Vol 3 (2016): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v3i1.13370

Abstract

Tana Toraja located in the compression belt of two active fault seismic source zones. There are Palu- Koro and the Walanai faults have resulted the eastward, movement of the Banggai-Sula micro continent since neogen time. The field observations of the neotectonic holosen age were  found as the river deposit and beachsand terraces and the fault  fan structure where there  are consist of three teracces units  which the maximum high of  the oldest terrace (±100.000 years)  about of 12 m and the minimum about of  7 m. Base on the differences high of the maximum terrace  units in the Salu Sadang and Rongkong rivers, so  the maximum magnitude earthquake displacement (md) can be calculated at every fault segments. The evaluation of geological structures and earthquake data, this region can be devided  into four seismic source zones there are the salu sadang, The  Buttu Karoa-Lamasi Sabang  active faults, the old volcano tectonic earthquakes of the Buttu-Karoa-Kalumpang Mamuju and the volcano tectonic earthquakes of the Limbong Seismic Zource Zone. Base on tne neotectonic condition and the existing of seismic source zones above, Tana Toraja and surrounding area is one of the potential seismic hazard area in the South Sulawesi region which must be have more attention.
ANALISIS PENGARUH ANGIN TERHADAP POLA ARUS PERMUKAAN DAN DISTRIBUSI SALINITAS DI MUARA SUNGAI PALU Meidji, Icha Untari; Mudin, Yutdam; Jayadi, Harsano; Botjing, Muslimin U
JFT : Jurnal Fisika dan Terapannya Vol 7 No 1 (2020): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v7i1.13219

Abstract

The pattern of surface currents and salinity distribution at the mouth of the Palu River by using the 2D coherens model to show that the presence of wind factors influences the velocity and direction of the tidal and non-tidal surface flow patterns at the mouth of the Palu River. Using primary and secondary data, the results show that non-tidal currents are more dominant with the direction of spread from the North to the East to the West then turn to the South, with a velocity of 2.57 m/s. The pattern of salinity distribution with tidal and non-tidal flow generators has a different model. Still, it has the same direction, namely the flow from North East to West direction, which is deflected to the South adjacent to the mouth of the Palu River estuary. 
Identifying Andesite Rocks Sources Using Geoelectrical Resistivity in Loli, Donggala Regency, Central Sulawesi Jayadi, Harsano; Meidji, Icha Untari; Tang, Basyri Yadi
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Research has been carried out in Loli Village, Donggala Regency, Central Sulawesi using the Wenner-Schlumberger resistivity geoelectric method to determine the resource of andesite rocks. This measurement was done by determining the path points in the field using the Global Positioning System (GPS). The data collection was carried out using the geoelectrical resistivity method based on the area’s measurement plan. The data obtained was in the form of position data for each electrode, potential data (V), and current strength data (I) used to calculate the resistivity value (r). The results obtained from this research are andesite rock resource content, which was characterized by a high resistivity value ranging from 300–600 Wm. The resistivity value of the cover layer is low, ranging from 14–45 Wm. The latent content of andesite rocks was dominated in the southeast region on the trajectory of DRSA_01, DRSA_02, DRSA_03, DRSA_04, and DRSA_06 which had a lower topography than the northwest region. DOI: http://dx.doi.org/10.17977/um024v4i22019p045
ANALISIS AMPLITUDE VERSUS OFFSET (AVO) MENGGUNAKAN PARAMETER PETROFISIKA LAMBDA MU RHO (LMR) DAN EXTENDED ELASTIC IMPEDANCE (EEI) UNTUK KARAKTERISASI RESERVOAR KARBONAT Harsano Jayadi; Icha Untari Meidji; Yusniati H Muh Yusuf
Teknosains Vol 14 No 1 (2020): JANUARI
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/teknosains.v14i1.13330

Abstract

The research that refers to the characterization of carbonate reservoir to identify lithology and fluid had been done to the Baturaja Formation in South Sumatera Basin. The method used is analyzed of Amplitude Versus Offset (AVO) by utilizing the petrophysics parameter of Lambda Mu Rho (LMR) and Extended Elastic Impedance (EEI). The goal of the research is to find out the comparison of the application of petrophysics parameter LMR and EEI to characterization carbonate reservoir, besides finding a prospect location or proposed well. The result of data analysis of Al-Fatah well shows that the carbonate reservoir position with liquefied gas is located deeper around 350 meters with a thickness of around 7.62 meters. Interpretation of seismic from inversion result by using the petrophysics parameter of LMR and EEI shows the presence of a prospect location to the CDP 4253 up to 4301, which is carbonate reservoir with fluid accumulation (gas).
Investigasi Bidang Gelincir Pada Daerah Rawan Longsor Di Ruas Jalan Tawaeli-Toboli Menggunakan Metode Geolistrik Tahanan Jenis Harsano Jayadi; Abdul Mukaddas; Icha Untari Meidji
Jurnal Fisika Unand Vol 9, No 3 (2020)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (451.433 KB) | DOI: 10.25077/jfu.9.3.381-387.2020

Abstract

Telah dilakukan penelitian investigasi bidang gelincir pada daerah rawan longsor dengan metode geolistrik tahanan jenis 2D di jalan Tawaeli – Toboli dengan menggunakan konfigurasi Wenner dengan panjang lintasan 96 m dan spasi antar elektroda 6 m yang dianalisis dengan software Res2Dinv.  Selanjutnya dapat ditentukan struktur dan litologi bawah permukaan sehingga dapat memberikan informasi mengenai bidang gelincir. Hasil dari penelitian ini menunjukkan bahwa penyusun tanah di daerah penelitian adalah kerikil, batu pasir, dan genes. Nilai hambatan jenis setiap lapisan batuan yaitu kerikil berkisar antara 10 Ωm – 84 Ωm, lapisan batu pasir berkisar antara 84 Ωm – 158 Ωm, dan lapisan genes berkisar antara 232 Ωm – 528 Ωm. Pada wilayah penelitian terdapat lapisan genes yang diduga merupakan bidang gelincir. Bentuk bidang gelincir yang diperoleh pada wilayah penelitian yaitu jenis gelincir rotasi dengan arah longsoran mengarah ke arah jalan raya dengan kedalaman 7 m – 35 m untuk semua lintasan. Investigation of the slip surface has been carried out in landslide-prone areas using the 2D resistivity geoelectric method on the Tawaeli-Toboli road using the Wenner configuration with 96 meters of track length, and 6 m of electrode spacing analyzed with Res2DinV software. Furthermore, the subsurface structure and lithology can be determined to provide information about the slip plane. This study's results indicate that the soil compilers in the study area are gravel, sandstone, and genes. The value of electrical resistivity of each rock layer, namely gravel ranges from 10 Ωm - 84 Ωm, sandstone layer covers from 84 Ωm - 158 Ωm, and the genes layer ranges from 232 Ωm - 528 Ωm. In the research area, there are layers of genes that are thought to be the slip plane. The shape of the sliding plane obtained in the study area is the rotating slip with landslide direction leading to the highway with a depth of 7 meter - 35 meter for all trajectories.
Sistem Pendeteksi Kualitas Air Di Sekitar Pesisir Pantai Tondo Menggunakan Metode Fuzzy Logic Andi Rusdin; Jumiyatun Jumiyatun; Moh Idham Sesenggi; Harsano Jayadi
PROtek : Jurnal Ilmiah Teknik Elektro Vol 9, No 1 (2022): PROtek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v9i1.3602

Abstract

The disaster that hit Palu City recently caused changes in the quality of water consumed by the community. To find out whether it is feasible or not, we need a method to detect a water quality system that is easy to implement at an economical price to be used for daily needs. Therefore, a tool is designed to determine the quality of water that is sampled around the Tondo beach using the Fuzzy Logic method. This design was built using the Arduino module by combining four sensors, namely a pH sensor, a TDS sensor, a Turbidity sensor, and a temperature sensor. Water quality in this study was divided into three groups, namely drinking water (UM), washing water (UC), and unsuitable water (TL). The water quality benchmark value is known from combining the results of existing sensor readings, wherein sample 1, the value of water quality measured in the study is in the category not in accordance with the fuzzy value 10, in sample 2,the use of washing uses the fuzzy value of 45.68 and sample three is worth 26.4
Identifying Andesite Rocks Sources Using Geoelectrical Resistivity in Loli, Donggala Regency, Central Sulawesi Harsano Jayadi; Icha Untari Meidji; Basyri Yadi Tang
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Research has been carried out in Loli Village, Donggala Regency, Central Sulawesi using the Wenner-Schlumberger resistivity geoelectric method to determine the resource of andesite rocks. This measurement was done by determining the path points in the field using the Global Positioning System (GPS). The data collection was carried out using the geoelectrical resistivity method based on the area’s measurement plan. The data obtained was in the form of position data for each electrode, potential data (V), and current strength data (I) used to calculate the resistivity value (r). The results obtained from this research are andesite rock resource content, which was characterized by a high resistivity value ranging from 300–600 Wm. The resistivity value of the cover layer is low, ranging from 14–45 Wm. The latent content of andesite rocks was dominated in the southeast region on the trajectory of DRSA_01, DRSA_02, DRSA_03, DRSA_04, and DRSA_06 which had a lower topography than the northwest region. DOI: http://dx.doi.org/10.17977/um024v4i22019p045
INVERSI IMPEDANSI ELASTIK DAN  UNTUK KARAKTERISASI KANDUNGAN RESERVOIR BATUPASIR Harsano Jayadi; Sismanto Sismanto; Icha Untari Meidji; Ayusari Wahyuni; Ninasafitri Ninasafitri
JURNAL GEOCELEBES Vol. 4 No. 2: October 2020
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/geocelebes.v4i2.9612

Abstract

Penelitian ini berupa analisis inversi data seismik dengan menggunakan impedansi elastik dan lr (lambda-rho) untuk mengestimasi kandungan  reservoir batupasir. Analisis Inversi Amplitude Versus Offset (AVO) dilakukan untuk mendapatkan reflektivitas impedansi elastik dan lambda-rho sehingga diperoleh kelas anomalinya. Dalam menentukan litologinya diperoleh sudut 30o sebagai sudut yang sensitif sehingga selanjutnya dilakukan proses inversi dengan sudut tersebut. Hasil dari analisis Anomali Inversi Amplitude Versus Offset (AVO) menetapkan kelas anomali respon terletak pada posisi IIp sehingga dengan menggunakan sudut 30o tersebut dilakukan pemetaan inversi impedansi elastik untuk mengetahui litologi batupasir yang diperkirakan mempunyai arah timurlaut-baratdaya. Selanjutnya untuk melakukan analisis untuk estimasi adanya fluida dengan menggunakan analisis inversi lambda-rho sehingga diperoleh nilai target 40-65 MPa*gr/cc pada litologi batupasir tersebut dengan arah orientasi utara-tenggara.
Analisis Mineral Tanah Rawan Longsor Menggunakan X-Ray Diffraction Di Desa Sawaru Kabupaten Maros Rahmaniah Rahmaniah; Reskywijaya Reskywijaya; Ayu Sari Wahyuni; Harsano Jayadi
Jambura Geoscience Review Vol 2, No 1 (2020): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgeosrev.v2i1.2639

Abstract

The study of soil minerals structure has been conducted in the Sawaru village, Maros regency, South Sulawesi which is locally known to be the landslides-prone area. The aim of this research is basically to determine the mineral characteristics of the soil. The samples were taken randomly in three points with a depth of 75 cm at point 1 and 100 cm for the other. The structure of the samples was analyzed using X-Ray Diffraction (XRD) where the samples were placed in the high temperature and airtight containers. The results of XRD analysis showed that minerals contained at point 1 (75 cm in depth) were illite (69.3%) with a monoclinic structure, albit mineral (25.6%) with a triclinic structure and kaolinite (5.0%) with a triclinic structure. Samples at point II (100 cm depth) contained illite (67.2%), feldspar (23.9%) with monoclinic and merrillit (8.9%) with trigonal structures. Samples at point III (100 cm in depth) contained illite (55.9%), bobtraillite (22.2%) with a trigonal structure and feldspar (21.9%) with a monoclinic structure. The minerals observed at the sampling points are dominated by illite which is clay in nature. Such a mineral has been known to have an ability to initiate high plasticity in soil, leading to the slope instability.
ANALISIS SEBARAN LAVA BANTAL WATUADEG YANG DIDUKUNG DATA VERTICAL ELECTRICAL SOUNDING (VES) DI LAPANGAN ‘AGSTY’ YOGYAKARTA Nurul Dzakiya; Muhammad Agsti Buana Aditya; Harsano Jayadi; Dewa Gede Eka Setiawan
Jambura Physics Journal Vol 2, No 1 (2020): April 2020
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v2i1.6769

Abstract

Analisis sebaran lava bantal Watuadeg di Kecamatan Berbah DI Yogyakarta yang didukung data Vertical Electrical Sounding (VES )telah dilakukan.Keterdapatan lava bantal yang tersingkap di permukaan merupakan penanda bahwa dahulu daerah tersebut merupakan laut. Akibat proses geologi terutama tektonik mengakibatkan lava bantal tersebut terangkat kedaratan. Lava bantal yang belum tersingkap karena tertutup oleh soil (lapukan batuan) menjadi daya tarik tersendiri untuk dikaji. Persebaran lava bantal permukaan dominan mengalir dari sumbernya ke arah selatan dan menyebar ke tenggara serta dibatasi oleh Sungai Opak. Berdasarkan hasil analisis data VES, keberadan lava bantal di lokasi titik pengukuran berada di kedalaman 4 m dengan nilai resistivitas sebesar 1321,08 Ωm. Berdasarkan  dari data geologi dan nilai resistivitas batuan tersebut dapat disimpulkan bahwa penyebaran lava bantal  dominan ke arah selatan dari pusat erupsinya dengan sayap sebaran ke arah tenggara dan barat daya serta sebarannya masih ada di bawah permukaan
Co-Authors Abdul Mukaddas Andi Rusdin Asdani Soehaimi, Asdani Ayu Sari Wahyuni Ayusari Wahyuni Ayusari Wahyuni Basyri Yadi Tang Bergita Gela M Saka Botjing, Muslimin U Dewa Gede Eka Setiawan, Dewa Gede Eka Dzakiya, Nurul Jumiyatun Jumiyatun Meidji, Icha Untari Moh Idham Sesenggi Muh. Abduh Muhammad Agsti Buana Aditya Ninasafitri, Ninasafitri Rahmaniah Rahmaniah Reskywijaya Reskywijaya Sismanto Sismanto Tang, Basyri Yadi Widi Atmoko Yusniati H. Muh. Yusuf Yutdam Mudin