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All Journal Majalah Ilmiah Teknologi Elektro Jurnal Teknik ITS Jurnal Sains dan Seni ITS Jurnal Penelitian Fisika dan Aplikasinya (JPFA) IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series JFA (Jurnal Fisika dan Aplikasinya) Proceeding SENDI_U Jurnal Geosaintek Jurnal Fisika FLUX Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Aplikasi Teknik Sipil Jurnal Inotera Jurnal Pensil : Pendidikan Teknik Sipil Prokons: Jurnal Teknik Sipil Jurnal Fisika Indonesia Journal of Marine-Earth Science and Technology Jurnal Rekayasa Geofisika Indonesia Jurnal Indonesia Sosial Teknologi Sewagati Majalah Ilmiah Teknologi Elektro JURNAL KELUARGA SEHAT SEJAHTERA Jurnal Geosaintek Geoid - Journal of Geodesy and Geomatics
Widya Utama
Departemen Teknik Geofisika Institut Teknologi Sepuluh Nopember
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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

 1 
Penerapan Koefisien Aliran untuk Mendukung Budidaya Tanaman Bernilai Ekonomi Tinggi (Studi Kasus: Kwanyar Bangkalan, Indonesia) Widya Utama; Anicetus Wihardjaka; Nourma Al Viandari; Dwa Desa Warnana; Wien Lestari; Eki Komara; Sherly Ardhya Garini; Rista Fitri Indriani; Dhea Pratama Novian Putra; Annisa R. Varhana
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.3307

Abstract

The initial study that we carried out regarding the Kwanyar sub-district area, Bangkalan, East Java, shows the need to optimize land productivity and analyze the potential for farming to build the welfare of the people of the Kwanyar subdistrict. Preliminary spatial data analysis related to the topography as a result of Digital Elevation Model (DEM) data processing shows that: the Kwanyar sub-district is dominated by flat slopes (0-8°) compared to the northern region of the Kwanyar sub-district, while runoff water analysis shows a low flow coefficient (0- 0.25) which means that most of the Kwanyar area has low absorption capacity and a high potential for stagnant water. In addition, the Kwanyar region has a Regosol soil type. Regosol soil has a coarse texture and low organic matter, which makes it unable to properly hold water and minerals for plants, so it tends to be infertile. The initial study then became the basis for this research.
Analysis of the Effect of Local Magnitude on Peak Ground Acceleration and Seismic Vulnerability Index for Geothermal Field Monitoring Using Microearthquake Widya Utama; Rista Fitri Indriani; Sherly Ardhya Garini
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3743

Abstract

Intensive exploitation of geothermal injection and production can trigger microearthquakes which it signals come from dynamic fractures. The purpose of this study is to decide the impact of local magnitude on mitigation in geothermal fields based on soil acceleration and vulnerability of seismic in geothermal fields. This study uses seismic wave recording data and the geology of the research area. It is focable on calculating local magnitude, ground acceleration and seismic susceptibility index to earthquakes based on ground acceleration and seismic susceptibility index in geothermal fields. The maximum amplitude value represent that the medium classification class (3<A0<6) is associated with a moderate degree of deformation. Natural frequency value are found with a moderate classification (4<f0<10) around the area of injection wells and production wells, indicating that the research area has a moderate level of soil hardness structure. The peak ground acceleration in the study area is classified as moderate (0.25<PGA<0.7) which means that the area has a moderate level of risk. Vulnerability of seismic in the study area is included in the low classification (Kg<10). The local magnitude impact on soil acceleration and vulnerability of seismic in this study has a moderate risk and can be categorised as safe. In the future, this research serves as a basis for proper decision-making in geothermal energy operations, monitoring, and infrastructure development
Penerapan Koefisien Aliran untuk Mendukung Budidaya Tanaman Bernilai Ekonomi Tinggi (Studi Kasus: Kwanyar Bangkalan, Indonesia) Utama, Widya; Wihardjaka , Anicetus; Al Viandari, Nourma; Warnana, Dwa Desa; Lestari, Wien; Komara, Eki; Garini, Sherly Ardhya; Indriani, Rista Fitri; Putra, Dhea Pratama Novian; Varhana, Annisa R.
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.3307

Abstract

The initial study that we carried out regarding the Kwanyar sub-district area, Bangkalan, East Java, shows the need to optimize land productivity and analyze the potential for farming to build the welfare of the people of the Kwanyar subdistrict. Preliminary spatial data analysis related to the topography as a result of Digital Elevation Model (DEM) data processing shows that: the Kwanyar sub-district is dominated by flat slopes (0-8°) compared to the northern region of the Kwanyar sub-district, while runoff water analysis shows a low flow coefficient (0- 0.25) which means that most of the Kwanyar area has low absorption capacity and a high potential for stagnant water. In addition, the Kwanyar region has a Regosol soil type. Regosol soil has a coarse texture and low organic matter, which makes it unable to properly hold water and minerals for plants, so it tends to be infertile. The initial study then became the basis for this research.
Effect of Geometry and Number of Seismic Stations on Micro-Earthquake (MEQ) Hypocenters in Geothermal Fields Utama, Widya; Garini, Sherly Ardhya; Hutapea, Merry C.; Putra, Dhea Pratama Novian; Warnana, Dwa Desa; Lestari, Wien
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3742

Abstract

Micro-earthquake (MEQ) distribution describes subsurface conditions that can contribute to monitoring the dynamics of geothermal reservoirs. Thus, the distribution of MEQ hypocenter locations with high accuracy becomes extremely important. Experiments were conducted with 3 variations of geometry and number of seismic stations, while Geiger and Coupled Velocity-Hypocenter methods were used to determine the location of MEQ. Experimental results show that in determining the location of the MEQ, the geometry and number of seismic stations played an important role. Increasing the number of stations with relatively long distances can result in less accurate locations of MEQ, error and bias in determining the location of MEQ will be greater when the azimuth gap value is greater. This is shown by the distribution of MEQ that are more spread out in variations 4A and 4B (4 seismic stations) compared to the distribution of MEQ hypocenters using data from 8 seismic stations. The azimuth gap variations of stations 4A and 4B are 283° and 267°, and 8 stations have a value of 222°. The large value of the azimuth gap is due to the distribution of stations only on one side so that there are horizontal angles that are not covered by seismic stations.
Analysis of the Effect of Local Magnitude on Peak Ground Acceleration and Seismic Vulnerability Index for Geothermal Field Monitoring Using Microearthquake Utama, Widya; Indriani, Rista Fitri; Garini, Sherly Ardhya
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3743

Abstract

Intensive exploitation of geothermal injection and production can trigger microearthquakes which it signals come from dynamic fractures. The purpose of this study is to decide the impact of local magnitude on mitigation in geothermal fields based on soil acceleration and vulnerability of seismic in geothermal fields. This study uses seismic wave recording data and the geology of the research area. It is focable on calculating local magnitude, ground acceleration and seismic susceptibility index to earthquakes based on ground acceleration and seismic susceptibility index in geothermal fields. The maximum amplitude value represent that the medium classification class (3<A0<6) is associated with a moderate degree of deformation. Natural frequency value are found with a moderate classification (4<f0<10) around the area of injection wells and production wells, indicating that the research area has a moderate level of soil hardness structure. The peak ground acceleration in the study area is classified as moderate (0.25<PGA<0.7) which means that the area has a moderate level of risk. Vulnerability of seismic in the study area is included in the low classification (Kg<10). The local magnitude impact on soil acceleration and vulnerability of seismic in this study has a moderate risk and can be categorised as safe. In the future, this research serves as a basis for proper decision-making in geothermal energy operations, monitoring, and infrastructure development
Co-Authors A F, Fachri Almawali Abigail, Nathasya Adhitama Rachman Adi Gunawan, Adi Adib Banuboro Agung Dimas Prabowo Darmawan Agung T. Nugroho Agung, B Harjo Agustin, Arin Dwi Ahdi Awaludin Sholeh Ahmad Widodo Aisyah, Maulidah Akbar, Firman Syaifuddin Al Viandari, Nourma Aldi, Radem Alifiansyah Faizal Amalia, Masruro Amelia Rosana Putri Amelia Rosana Putri Amien Widodo Amir, Moh Faisal Andriyan Yulikasari Andriyan Yulikasari Anggi, Arwin Anicetus Wihardjaka Anis Berry Annisa R. Varhana Anwar, Muhammad Khayrul ARDHYA GARINI, SHERLY Arif Darmawan Arif Darmawan Ariffiyanto, Wahyu Arin Dwi Agustin Arin Dwi Agustin Aripin, Pegri Rohmat Ariyanti, Nita Arphan, Frankstein Arphan, Frankstein Arwin Anggi Ayi Saeful Bahri Ayi Syaeful B. Aziz, Siti Kamilia B Harjo Agung Bagus Wibisono Bahri, Ayi Syaeful Bakruddin, Bakruddin Billy Dovan Yuspancana Bowo, Erstelle Budi Budi - Budiraharjo, Satrio Budy Wiryawan Bulkis Kanata Chemistra, Paul Cipta Ramadani Deni Irawan Dewi, Kiki Kartika Dewi, Kiki Kartika Dezulfakar, Hafidz Dhea Pratama Novian Putra Dinda Maulina Dwa Desa Warnana Dwa Desa Warnana Eki Komara Fachri Almawali A F Fadlillah Nur R Faizal, Alifiansyah Fajar, M. Haris Miftakhul Falah, Hanif Fajrul Fatahillah, Yosar fatimah Fatimah Fikriyah, Vareyna Tsamrotul Firdaus , Hana Sugiastu Firmansyah Saifuddin Frasiska, Rindi Ayu Fuadur K Garini, Sherly A. Garini, Sherly Ardhya Gigih Prakoso W Gigih Prakoso Wigantiyoko Gilang Reyhan Gilang Reyhan Gunawan, Adi Hafidz Dezulfakar Halim, Gian Ricardo Halim, Gian Ricardo Hamzah Abdullah Mubarak Hamzah Abdullah Mubarak Hana Sugiastu Firdaus Hari Purnomo Haris Purna W Harto, Moch. Fauzan Dwi Hartono, Karim Rahman Hasibatul Farida R Hasibatul Farida Rismayanti Heru Mirmanto Hibatullah, Ahmad Irfaan Hilyah, Anik Hutapea, Merry C. I Putu Khrisna Wijaya Ikmal Amrin Imaaduddiin, Muhammad Hafiizh Imaaduddiin, Muhammad Hafiizh Indri Silvia Dewi Indriani, Rista F. Indriani, Rista Fitri Insani, Alif N. F. Ira M. Anjasmara, Ira M. Jaka Rahadiansyah Jefrizal Sihombing Jefrizal Sihombing Jobit Parapat Jobit Parapat Juan Pandu Juan Pandu Gya Nur Rochman K, Fuadur Zakki Karim Rahman Hartono Kevin Daniel Munthe Kevin Daniel Munthe Kiki Kartika Dewi Komara, Eki Krishna Wijaya Kukuh Suprayogi Kukuh Suprayogi, Kukuh L, Putri Rida Lestari, Wien Lestyowati, Titis Linda Silvia, Linda Lita Novitasari Lubis, Azwani M Haris Miftakhul Fajar M Singgih Purwanto M Singgih Purwanto M Singgih Purwanto M, Mariyanto M. Iqbal Maulana M. Singgih Purwanto M. Singgih Purwanto M. Singgih Purwanto Mahardianti , Melisa Amalia Makky S. Jaya Makky S. Jaya, Makky S. Mariyanto Mariyanto Mariyono, M. Masruro Amalia Maulana Hutama Rahma Putra Maulana, M. Iqbal Maulidah Aisyah Maulidah Aisyah Maulidah Aisyah Maulina, Dinda Mei Devi Bun Mei Devi Bun Meidi YT, Nagari Melisa Amalia Mahardianti Moch. Fauzan Dwi Harto Muhammad Iqbal Muhammad Taufik MUHAMMAD TAUFIK Mustika Bohal, Yolanda Nahari Rasif Nathasya Abigail Nisya Aviani Nisya Aviani Nomensen M. H. Sitorus Nourma Al Viandari Novitasari, Lita Nur Isnaini Rahmaningtyas Palgunadi, Kadek H. Parapat, Jobit Paul Chemistra Paul Chemistra Pegri Aripin Pegri Rohmat Aripin Pratama, Dandi S. Purba, Theresia Purwanto, M. Singgih Purwanto, Mohammad Singgih Purwanto, Singgih Putra, Dhea P. N. Putra, Dhea Pratama Novian Putra, Risal Ardiansyah Putri Rida L Putri, Umi Muti'ah R, Fadlillah Nur Rachman, Adhitama Raden Aldi Rahadiansyah, Jaka Rahadinata, Tony Rahmaningtyas, Nur Isnaini Ramadhani, Annisa V. Rayhan Farisi Ramadhan Regian Erstelle Bowo Reksa Ikmaluhakim, Dihein Risal Ardiansyah Putra Rismayanti, Hasibatul Farida Rista Fitri Indriani Rista Fitri Indriani Robi Alfaq Abdillah SA, Yusroni Satrio Budiraharjo Sayyidatul Khoiridah Sayyidatul Khoiridah Sere Lansa, Fradana Setiawan, Irfan Adiputra Sherly Ardhya Garini Sherly Ardhya Garini Sholeh, Ahdi Awaludin Sidi, Amor K. Simon Sadok Siregar, Simon Sadok Singgih Purwanto Sitorus, Nomensen Sitorus, Nomensen Sri Cahyo Wahyono Suminar Pratapa Supeno Surya, Triswan Madani Ade Surya, Triswan Madani Ade Surya, Triswan Mardani Ade Suto Suto - Syaeful Bahri Syaifuddin, Firman Syaifuddin, Firman Syifaurrohman, Yusuf Syifaurrohman, Yusuf Taufik , Muhammad Teti Zubaidah Theresia Romauli Purba Titah Anggraeni Putri Kinasih Tony Rahadinata Totok Parafianto Totok Wianto Tri Martha Kusuma Putra Tri Martha Kusuma Putra, Tri Martha Kusuma Tricahyo Agung Budi Harjo Triswan Mardani Ade Surya Triswan Mardani Ade Surya Tsaniyah, Zahrotuts Vahira Tri Kemalasari Vareyna Tsamrotul Fikriyah Varhana, Annisa R. Viandari, Nourma Al W, Haris Purna Wibisono, Bagus Widodo, Ahmad Wigantiyoko, Gigih Prakoso Wihardjaka , Anicetus Wihardjaka, Anicetus Wijaya, Krishna Yoga Satria I Yoga Satria Iswandaru Yosar Fatahillah Yosar Fatahillah Fatahillah Yulikasari, Andriyan Yuri Syahwirawan Yusri Prayitna Zulqaisi Zulqaisi