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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences BERKALA FISIKA Journal of Oceanography YOUNGSTER PHYSICS JOURNAL Journal of Marine Research Jurnal Kelautan Tropis Aptisi Transactions on Technopreneurship (ATT) CCIT (Creative Communication and Innovative Technology) Journal JURNAL TEKNIK HIDRAULIK Jurnal Penelitian Transportasi Laut Jurnal Riset dan Rekayasa Kelautan MAVIB Journal : Jurnal Multimedia Audio Visual and Broadcasting Journal of Applied Sciences, Management and Engineering Technology (JASMET) Indonesian Journal of Oceanography Eksergi: Jurnal Teknik Energi Jurnal Offshore: Oil, Production Facilities, and Renewable Energy Jurnal Ilmiah Geologi pangea
Sugeng Widada
Departemen Oseanografi, Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro, Semarang
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : YOUNGSTER PHYSICS JOURNAL

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INTERPRETASI LAPISAN BAWAH PERMUKAAN DI AREA PANAS BUMI GUNUNG TELOMOYO, KABUPATEN SEMARANG MENGGUNAKAN METODE GEOLISTRIK RESISTIVITY KONFIGURASI SCHLUMBERGER Elida Septiana Putriutami; Udi Harmoko; Sugeng Widada
Youngster Physics Journal Vol 3, No 2 (2014): Youngster Physics Journal April 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Geoelectric measurements and interpretation have been conducted to obtain subsurface structure information in Geothermal area of Telomoyo Mountain at Semarang regency using Schlumberger configurationWe obtain a potential difference and current from field data acquisition that can be used to calculate the apparent resistivity value. Then, the apparent resistivity value is processed using IPI2win program to determine the value of resistivity in each layer using geological information as validation. The geoelectric results showed the presence of fault structures such as normal faults down and the layers which has resistivity values at 116 Wm with a depth at 106 - 120 m from the surface of geoelectric line are interpreted as the upper boundaries of the Caprock layer. Keywords: Resistivity, Schlumberger, Geothermal, Telomoyo Mountain
IDENTIFIKASI STRUKTUR BAWAH PERMUKAAN MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER AREA PANAS BUMI KENDALISODO KECAMATAN BERGAS KABUPATEN SEMARANG Alchacindy Guenergar; Udi Harmoko; Sugeng Widada
Youngster Physics Journal Vol 3, No 3 (2014): Youngster Physics Journal Juli 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

The research has been done by using geoelectric method schlumberger configuration at Kendalisodo geothermal manifestation . The purpose of researching is to know layer of subsurface structure which control Kendalisodo geothermal manifestation.Measurement has been conducted using schlumberger configuration. The data observation conducted at 4 points  around by Kendalisodo hot springs . Data processing conducted using software IP2WIN. Data measurement in the field are potential differences and currents which can be used to calculate apparent resistivity value. After apparent resistivity value is created then processed using IPI2WIN program to know resistivity value in each layer with geology information validation. The results of the study showed seven  geoelectric layer of rock that is composed of layers of topsoil, sandstone, breccia, tuffan sandstone, breccia, tuff, and  combined Sandstone and breccia with resistivity values and different thicknesses. Interpretation of manually indicate the presence of  down faults that are weak zone where the fluid surface discharge.Keywords : geoelectric, geothermal, and Kendalisodo
IDENTIFIKASI BATUPASIR SEBAGAI AKUIFER DENGAN APLIKASI GEOLISTRIK KONFIGURASI SCHLUMBERGER (STUDI KASUS DI KECAMATAN GABUS KABUPATEN GROBOGAN) Faizal Ahmad; Sugeng Widada; Agus Setyawan
Youngster Physics Journal Vol 5, No 3 (2016): Youngster Physics Journal Juli 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Gabus Village at Grobogan district are areas those experiencedsevere drought in the dry season. The existence of water sources are not enough for daily needs of the family. Georesistivityis a method to discover groundwater by position of the aquifer as a water storage. The potential difference of georesistivity processed using IPI2win program to determine the value of resistivity of each layer and RockWork15 as 3D modeling. With the correlation of the results of georesistivity and geologic conditions, then we can determine the depth and thickness of groundwater aquifers. Potential aquifers discovered in the Gabus region is a sandstone free aquifer (not pressed) with a value of resistivity is 13.2 Ωm at a depth of 11 meters from the line surface georesistivity interpreted as overburden.Keywords:aquifer, geoeresistivity, schlumberger
INTERPRETASI GEOLOGI BAWAH PERMUKAAN DAERAH POTENSI MATA AIR PANAS KALIULO KABUPATEN SEMARANG BERDASARKAN DATA GEOMAGNET MENGGUNAKAN MODEL 2-D & 3-D Diny Agustina Rahayu; Udi Harmoko; Tony Yulianto; Sugeng Widada; Yusuf Dewantoro
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

The geothermal hot springs has been discovered in the Kaliulo area, Pringapus district of Semarang Regency. The research was conducted by 2-D and 3-D model geomagnetic for find the geological subsurface structure. Observation data such as magnetic field of 61 point used one set of PPM (Proton Precission Magnetometer) GSM geometrics 19 T and two units Geotron Magnetometer Model Unit G5. Data analysis of geomagnet was undertaken by diurnal correction and IGRF (International Geomagnetic Reference Field) correction to obtain the total of magnetic field anomalies. The total magnetic field anomaly data were utilized to create anomaly contour. That anomaly is used for doing reduction to plansurface process, upward continuation that produce anomalies local and regional, and reduction to pole. Modeling was done on the local magnetic anomalies to review subsurface using Mag2DC and UBC Mag3D. The results showed the + (positive) closure and – (negative) closure that can indicate anomalies object in other word to be weak zone or geological structure of fault is available, so that the slicing is made on that closure. Based on the model 2-D normal fault structure the northwestsoutheast trending and northeast-southwest, this interpreting so that normal faults which controlled source hot springs Diwak to Kaliulo.  
IDENTIFIKASI BIDANG GELINCIR DENGAN METODE TAHANAN JENIS KONFIGURASI DIPOLE-DIPOLE DAERAH BAMBANKEREP NGALIYAN SEMARANG Aliyatarrafiah Aliyatarrafiah; Agus Setyawan; Sugeng Widada
Youngster Physics Journal Vol 3, No 4 (2014): Youngster Physics Journal Oktober 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Shallow exploration of subsurface commonly use resistivity method which the electricity principles in the earth. The aims of this research are identify slip surface and slope safety factor at Pucung Bambankerep Ngaliyan Semarang using dipole-dipole configuration. The results of measurements are voltage and electric current to calculate the apparent resistivity value then processed by RES2DIV software for determine the lithology and the slip surface area. The value of slope safety factor was 1,332 from modelling by Rockscience software. The results present that lithology in the study area consist of clay, sand, sand gravel, and breccia. There is a slip surface at a depth of between 1,20 to 6,10 m.  Keywords: slip surface, Rockscience, resistivity, dipole-dipolee
STUDI ALIRAN FLUIDA MANIFESTASI PANAS BUMI DESA DIWAK DAN DESA DEREKAN, KECAMATAN BERGAS, KABUPATEN SEMARANG MENGGUNAKAN METODE TAHANAN JENIS 3D. Hotlan Simbolon; Udi Harmoko; Gatot Yulianto; Sugeng Widada; Yusuf D. H.; Sahid Sahid
Youngster Physics Journal Vol 4, No 1 (2015): Youngster Physics Journal Januari 2015
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

This research use geolistric method that aims to analize the system of manifestation of fluida distribution geothermal on Diwak, Derekan Central Java, based on measurement of geolistric 3-D with pole - pole configuration, has been done. Data processing is performed using software Res3dinv and surfer which results in a horizontal and vertical cross-section. The results of the interpretation of 2D processed by software rockwork to obtain 3-D cross-section. The results showed that the measurement point 1, the direction of the fluid flow toward the east. Measurement point 2, the direction of flow of the fluid toward the northwest, the fluid flow direction to both of the points towards Lutung river. Keywords : Fluida, pole-pole konfiguration, Diwak, Derakan
IDENTIFIKASI STRUKTUR BAWAH PERMUKAAN MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER DI AREA PANASBUMI DESA DIWAK DAN DEREKAN KECAMATAN BERGAS KABUPATEN SEMARANG Sigit Darmawan; Udi Harmoko; Sugeng Widada
Youngster Physics Journal Vol 3, No 2 (2014): Youngster Physics Journal April 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Diwak and Derekan is one of geothermal manifest which exist in geothermal system of Ungaran. Geoelectric method schlumberger configuration is one of the geophysical methods that used in the exploration of natural resources below the surface. The purpose of researching is to know layer of subsurface structure which control Diwak and Derekan geothermal manifest.Field measurement data in the field are potential differences and currents which can be used to calculate apparent resistivity value. After apparent resistivity value is created then processed using IPI2WIN program to know resistivity value in each layer with geology information validation.The results of the study showed six geoelectric layer of rock that is composed of layers of mudstone, siltstone, tuff, sandstone brecia and pasirtuf with resistivity values and different thicknesses. Interpretation of manually indicate the presence of two down faults that are weak zone where the fluid surface discharge Keyword: Geoelectric, Schlumberger, Geothermal, Fault, Diwak and Derekan
INTERPRETASI POLA ALIRAN FLUIDA PANAS BUMI DENGAN METODE SPONTANEOUS-POTENTIAL (SP) DAN SUHU PERMUKAAN DANGKAL DI LERENG UTARA GUNUNG TELOMOYO KABUPATEN SEMARANG Maila Shofa; Udi Harmoko; Sugeng Widada
Youngster Physics Journal Vol 3, No 2 (2014): Youngster Physics Journal April 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

The model heat flow at  Telomoyo Mountain Semarang District  has measured and identified  using spontaneous potensial and  shallow temperature surface methods.Field data has proceed using Microsoft Excel which the result entered to Surfer11 with the result map contour of SP and temperature distribution. The result showed that range anomaly SP about -40mV-70mV and distribution of temperature which has temperature range 23,5º-31ºC. The direction of heat flow direct from South to North-East.Key Words : Spontaneous-potential, shallow temperature surface, Sufer11, Model Heat Flow, Telomoyo Mountain
ANALISIS STRUKTUR BAWAH PERMUKAAN DAERAH HARJOSARI KABUPATEN SEMARANG MENGGUNAKAN METODE GEOMAGNET DENGAN PEMODELAN 2D DAN 3D Mars Widodo; Tony Yulianto; Udi Harmoko; Gatot Yulianto; Sugeng Widada; Yusuf Dewantoro
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Research of analysis subsurface structure in Harjosari Semarang district using geomagnet methods with 2D and 3D modelling. In this study, magnetic data acquisition was carried out in 93 points by using a PPM (Proton Precession Magnetometer) geometrics type of GSM 19T and 2 units geotron magnetometer G5 models to get the values of the total magnetic field. The result of measurement data is processed by the daily variation correction and IGRF correction (International Geomagnetic Reference Field). The corrected data has been used to create total magnetic anomaly contour. The total magnetic anomaly contour has been used to process reduction to plan surface. The result of reduction to plan surface has been used to create a contour upward continuation and then made reduction to the poles. The result of research showed the total magnetic anomaly closure pair of positive and negative indicated a fault zone below the surface. Result of research an incision on the closure pair of positive and negative to determine the subsurface structure of the region by creating a model of 2-dimensional (2D) using software Mag2DC. In 2D modeling result shows that was a fault zone below the surface about 210 to 1000 meters depth. The existence of the fault structure below the surface was estimated as a result of rock shifting from the northeastern area of research. Result of a 3-dimensional (3D) modelling using UBCMag3D software to determine subsurface structures more clearly by including error values, parameter values susceptibility and density models. On the results of the 3D display of subsurface structures found any difference in stark contrast to the susceptibility value at a depth of 225 meters to 1200 meters. The susceptibility value differences suspected presence of fault structures below the surface.
PEMODELAN INVERSI ANOMALI MAGNETIK 3D DAERAH MATA AIR PANAS DIWAK DAN DEREKAN Siti Zulaikhah; Udi Harmoko; Tony Yulianto; Gatot Yulianto; Sugeng Widada; Yusuf Dewantoro
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Research of magnetic methods that aim to interpretation the subsurface structure around the hot springs area Diwak and Derekan and to identification caused of hot springs Diwak and Derekan has been successfully carried out. In this research, measurements were taken at 97 points using a proton precession magnetometer (PPM) type of GSM model 19T geometrics and two Geotron Magnetometer G5 models to get the value of the total magnetic field. Measurement data is processed by the daily variation correction and correction IGRF (International Geomagnetic Reference Field) to get the value of the total magnetic field anomaly. Corrected data used to create contours of the total magnetic field anomaly. Contour total magnetic field anomaly is used for the reduction to plan surface process and upward continuation process. The results of the upward continuation get the contours of local anomaly and regional anomaly, the results of the local anomaly contour then reduced to the pole. Results of the research is a pair of positive and negative closure indicate a fault structure below the surface. There are two pairs of positive and negative closure which an incision is made to determine the subsurface structure by creating a 2D model using the software Mag2dc. 2D modeling results indicate the existence of a second incision fault structure in the form of down trending fault southwest-northeast. Meanwhile, to make 3D models using software Mag3D and 3D modeling results indicate the presence of fault structures below the surface. Fault zone results of 2D and 3D modeling is a media outlet fluid to the surface in the form of hot springs Diwak and Derekan.
Co-Authors . Sahid ., Safinatunnaziyah Aang Hidayat Abd Basith Mukhlas Achmad Widodo Adha, Ikhwannur Adi Chandra Kusuma Aditya Firdaus Agung Windadi, Agung Agus Setyawan Ahdannabiel, Hamammi Aiman, Muhammad Naufal Alchacindy Guenergar Alfathony Krisnabudhi Alfi Satriadi Ali Ali Aliyatarrafiah Aliyatarrafiah Amani Rahutri Radhwarana Andnur, Mohammad Octa Anindya Wirasatriya Annisa, Shifa Dini Ansony, Muhammad A.N. Anwar, Muhammad Rehan Ardine, Joseph Emmanuel Arifa, Adzkia Noerma Arifiyana Arifiyana, Arifiyana Aris Ismanto Aryo Witono Azhar Afi Azis Rifai Bagaskara, Dicky Prasetya Baskoro Rochaddi Baskoro Rochaddi Chrisna Adhi Suryono Daffa Dinan Ihsani El-Fath Dani Mardiati, S.T., M.Eng. David Milliano Josanova Denny Nugroho S Denny Nugroho Sugianto Devi Verawati Gusman Devi Yuni Sari Sihombing Dimas Wahyu Anggara Diny Agustina Rahayu Diyan Muhamad Ramdani Djunaedi Muljawan Doding Akka Damanik Dwi Haryo Ismunarti Dwi Haryo Ismunarti Dwi Oktiarini Dwianti, Rizki Fitria Dwigita Aryani Sedyoko Ediar Usman Edy Trihatmoko Elis Indrayanti Endang Sri Susilo Erfiko, Muhammad Fery Erna Dwi Pertiwi Esha Etlin Saratoga Faiz Hamzah Adriono Faizal Ahmad Fajar Hudoyo Farisan, Ardhan Franto Novico Gatot Yulianto Gentur Handoyo Ghifari Raihan Silam Siregar Hadi Endrawati Hari Prayogi, Hari Hariadi Hariadi Hariyadi Hariyadi Harmon Prayogi HARYANTO Hendry Siagian Heryoso Setiyono Hotlan Simbolon Husein Sadewa Wiguna Ibrahim, Muh. Lintang Galih Ice Trisnawati Togatorop Ika Bagus Priambodo Ilham Aulia Nur Fuady, Ilham Aulia Indra Budi Prasetyawan Indrawan, Rizky Pri Irham Nurwidyanto Irwani Irwani Irwani Irwani Irwani Irwani Isnani, Desi Kumala Iut Triutami Jannisa Raska Jarot Marwoto Jarot Marwoto Johanna R N D Purba Juhadi Juhadi Junaidi Junaidi Karunia Lasmarito Pintubatu Khoirun Nisa Larosa Nurfikri Gamellia Latifah Mitrayani Hanum Lilik Maslukah M. Fachrurrozi M. Hanif Rasyda Maila Shofa Maramis, Michelle Maratus Khasanah Humairah Mars Widodo Meida Yustiana Mohamad Ihsan Wijaya Mohamad Iqbal Primananda Muchammad Iqbal Havis Muh Yusuf Muh. Yusuf Muhamad Adnan Kurnianto Muhamad Herdadi Ramadhan, Muhamad Herdadi Muhammad Chusnul Marom Muhammad Helmi Muhammad Helmi Muhammad Taqy Muhammad Zainuri Muhazzir Muhazzir Mumtaz, Fathiyah Muslim Muslim Muslim Muslim Muttahari S., S.T., M.Sc., Moch. Prahastomi Nanda Rahmadi Novi Susetyo Adi Nugroho Agus D Nurits Zahrul Aini Fitriyah, Nurits Zahrul Oksto Ridho Sianturi Paret Agung Sanjaka Petrus Subardjo Po Abas Sunarya Prahastomi, Mochammad Pratibhase Arhat Pratiwi Ramadhan Pratomo, Fajar Kurnia Pratomo, Septyo Uji Priatin Hadi Wijaya Purba, Rezon Fryando Purwanto Purwanto Putra, Roy Andika Putu Suryaniti Dewi Radich Arief Nugroho Rahmadeni, Hadin August Rahmalia, Fahri Restie AIK Ridho Hans Gurning Rifda Ayu Sartika Rikha Widiaratih Rina Oktaviani Dzikrurianti Riza Rahardiawan Rizky Amalia Rizky, Aga Rr. Tony Yulianto Rudhi Pribadi Ruli Supriati, Ruli Sabila, Anis Yasmin Sadewo, M. Firouz Dimas Safwan, Mohammad Arif Sahid Sahid Sebastian Margino Senopati Satya Suprapto, Senopati Satya Siddhi Saputro Sidhi Saputra Sigit Darmawan Siti Maesaroh Siti Munawaroh siti Nurindah Sari Siti Zulaikhah Sondy Sunaryo Sri Yulina Wulandari Srijati, Satrio Stephanie Stephanie Subagiyo Subagiyo Sugeng Santoso Surya Nugraha Syaiful Suryono Suryono Syafrei Adi Iskandar Syakinah Maghfirah Ayu Syamsul Ilmi TATI NURHAYATI Tezar Rafandi Theresa Pinkan Gustya Primasti Tjaturahono Budi Sanjoto Tony, Brian Tri Abdul Hidayat Tribhaskoro, Whisnu Triyanto Triyanto Triyono . Udi Harmoko Ulung Jantama Wisha Valensia Enzeline Enzeline, Valensia Enzeline Vemilarisa Kusumadewi Warsito Atmodjo Wilis Ari Setyati Wita Melisa Yoel Prayogo Yoga Yuniadi Yulian Fahmi Sageta Yulianto Dwi Laksono, Yulianto Dwi Yusuf D. H. Yusuf Dewantoro Herlambang