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All Journal Bionatura Bulletin of Scientific Contribution : Geology JSME MIPA UNIMA Jurnal Matematika & Sains JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Abdimas : Jurnal Pengabdian Kepada Masyarakat Jurnal FisTa : Fisika dan Terapannya
Cyrke A N Bujung
Universitas Negeri Manado
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics

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Penentuan Strukur Bawah Permukaan Area Panas Bumi Patuha dengan Menggunakan Metoda Magnetik Singarimbun, Alamta; Bujung, Cyrke Adfie Netty; Fatihin, Riva Choerul
Jurnal Matematika dan Sains Vol 18 No 2 (2013)
Publisher : Institut Teknologi Bandung

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Abstract

Daerah panasbumi Patuha terletak di Jawa Barat sekitar 50 km ke arah Barat daya dari Bandung dengan koordinat 7o9'35,08'' Lintang Selatan dan 92o23'52,24'' Bujur Timur. Dari pengukuran dengan metoda magnetik menunjukkan adanya anomali magnetik pada tiga daerah. Secara geologi, daerah penelitian terdiri dari lapisan sedimen berupa tufa dan terfa lapili, piroklatik andesit, breksi andesite dan basaltic andesit dengan variasi nilai  suseptibilitas, k, dari -0,03 hingga 0,25 (dalam unit cgs). Aktivitas vulkanik masih dapat dilihat dari manifestasi fumarol dan sumber air panas. Anomali magnetik di sekitar manifestasi disebabkan oleh lapisan batuan permiabel. Lapisan ini diperkirakan sebagai reservoir  yang diprediksi sebagai andesit yang lebih muda  dan menjadi sumber energi panasbumi. Kata kunci: metoda magnetik, panas bumi, suseptibilitas, anomali magnetik Abstract Patuha geothermal area is located in West Java about 50 km to the southwest of Bandung with coordinates 7o9'35,08''south latitude and 92o23'52,24'' east longitude. From measurements with magnetic methods indicate the presence of magnetic anomalies in the three regions. Geologically, the area consists of sedimentary layers of lapili tuffs and terfa, pyroclatic andesite, breccia andesite and basaltic andesite with a variation of the susceptibility, k, from -0.03 up to 0.25 (in cgs units). Volcanic activity can be seen from the manifestation of fumaroles and hot springs. Magnetic anomaly at approximately the manifestations are caused by layers of permeable rock. This layer is estimated as the reservoir as the younger andesites and a source of geothermal energy. Keywords : magnetic method, geothermal, susceptibility, magnetic anomaly.
Korelasi Sebaran Temperatur Permukaan Dengan Anomali Geofiska Pada Gunung Api Lokon Bujung, Cyrke; Makahinda, Tineke; Lubis, Muhammad Rizky
JSME (Jurnal Sains, Matematika & Edukasi) Vol 8, No 1 (2020): JANUARI-FEBRUARI
Publisher : Universitas Negeri Manado

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Abstract

ABSTRACT. Lokon Volcano is one of 129 active volcanoes in Indonesia that often erupts. The purpose of this study was to determine how the distribution of the surface temperature of the volcano using the Data Image for the period of May 2017, and to find out how the temperature distribution correlates with geomagnetic anomalies. Image data taken at USGS will be processed at Ilwiss software and will describe the surface temperature of the lokon volcano. Geomagnetic data taken from PVMBG illustrates geomagnetic anomalies in the locon volcano. The research results show that the surface of the lokon volcano has a temperature value ranging from 20˚ - 36˚ C. Correlation of temperature distribution with geomagnetic locon volcano data shows the existence of geomagnetic anomalies where there is a smaller geomagnetic anomaly value indicating a lower temperature value. while the low Anomaly value indicates a heat source. Keywords : Correlations, Surface Temperature, Geomagnetic Anomaly.
Karakteristik Reservoir Panas Bumi Berdasarkan Analisis Kimia Fisik Fluida Area Bolaang Mongondow Timur Bujung, Cyrke A.N.; Dungus, Ferdy; Yasin, Kartika Constantia
JSME (Jurnal Sains, Matematika & Edukasi) Vol 8, No 1 (2020): JANUARI-FEBRUARI
Publisher : Universitas Negeri Manado

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Abstract

ABSTRACT      Geothermal is energy from the result of heat transfer by conduction or convection. Manifestations in the form of warm soil, steamy soil and hot springs are geothermal energy that reaches the surface. The geothermal system of the Bolaang Mongondow Timur area is controlled by the large caldera structure of Mount Ambang and several fault directions that control the appearance of surface manifestations in the form of solfatara and hot springs. However, until now the geothermal potential has not yet been developed. Therefore, researchers are interested in exploring the geothermal system of the East Bolaang Mongonow area to introduce and increase knowledge about the characteristics of geothermal reservoirs. Based on geothermal field fluid data and fluid content data manifestation of the East Bolaang Mongondow area using geochemical methods (Geothermometer SiO2, Na-K and Na-K-Ca) as well as physical chemical analysis of the fluid shows that the geothermal area of the East Bolaang Mongondow area has a bicarbonate fluid type and sulfuric acid, with the type of reservoir dominated by steam and reservoir temperatures using the Geothermometer equation Na-K (Giggenbach) is 317.12 ° C.  Keywodrs : Fault, Manifestation, Type Of Fluid, Type of Reservoir, Temperature .
Identifikasi prospek panas bumi berdasarkan Fault and Fracture Density (FFD): Studi kasus Gunung Patuha, Jawa Barat Cyrke A.N. Bujung; Alamta Singaribun; Dicky Muslim; Febri Hirnawan; Adjat Sudrajat
Jurnal Lingkungan dan Bencana Geologi Vol 2, No 1 (2011)
Publisher : Badan Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4749.663 KB) | DOI: 10.34126/jlbg.v2i1.17

Abstract

SARIPenelitian ini bertujuan untuk mengidentifikasi struktur permukaan daerah panas bumi berdasarkan densitas kelurusan, anomali magnetik, dan manifestasi panas bumi di permukaan. Struktur permukaan dianalisis melalui kerapatan lineament di permukaan dengan metode FFD. Lineament ini diasumsikan berasosiasi dengan fracture atau fault di daerah panas bumi yang umumnya tertutup oleh manifestasi permukaan sehingga sulit teridentifikasi. Fault dan fracture ini diasumsikan sebagai bidang lemah yang menjadi jalur pergerakan fluida termal sehingga dapat menjadi petunjuk bagi lokasi daerah permeabel atau reservoir. Berdasarkan metoda FFD yang dikompilasikan dengan data geomagnetik,diketahui bahwa daerah prospek panas bumi berada di daerah Cibuni, Kawah Putih-Kawah Ciwidey.Kata kunci: struktur, lineament, FFD, Panas bumiABSTRACTThis research aims to identify the surface structures of geothermal area based on lineament density, magnetic anomaly and surface manifestation. The surface structures were analyzed through the density of lineaments on the surface with FFD method. The lineaments are assumed associated with fractures or faults found in geothermal areas those are generally covered by surface manifestation which are difficult to be identified. These faults and fractures were assumed as weak plane that act as fluid thermal movement, thereby it can be used as guidance for the location of permeable area or a reservoir. Based on FFD method which was compiled with magnetic data, it is known that the prospect of geothermal area is located at Cibuni, Kawah Putih-Kawah Ciwidey.Keywords: structure, lineament, FFD, Geothermal
ANALISIS DATA MULTISPEKTRAL UNTUK IDENTIFIKASI POTENSI PANAS BUMI Cyrke A.N. Bujung -; Alamta Singarimbun -; Dicky Muslim -; Febri Hirnawan -; Adjat Sudradjat -
Bionatura Vol 13, No 1 (2011): Bionatura Maret 2011
Publisher : Direktorat Sumber Daya Akademik dan Perpustakaan

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Abstract

Indikator keterdapatan cebakan panas bumi di bawah permukaan tanah, dapattercermin di permukaan dengan adanya manifestasi permukaan seperti kawahfumarol, mata air panas dan sebagainya. Hal ini memungkinkan untukmengidentifikasi daerah potensi panas bumi berdasarkan ekspresipermukaannya dengan menggunakan citra satelit penginderaan jauh. Penelitianini menggunakan metode penginderaan jauh multispektral Landsat TM(Thematic mapper) untuk analisis spektral reflektansi dan temperatur darimanifestasi permukaan daerah panas bumi. Hasil analisis menunjukkan bahwaanomali spektral reflektansi dari manifestasi permukaan terjadi pada salurandengan panjang gelombang di bawah 0,7 ìm. Sedangkan temperaturmanifestasi permukaan terdeteksi berkisar antara 304,880K sampai dengan308,340K.Kata kunci: multispektral, reflektansi, temperatur, panas bumi
DELINEASI RESERVOIR PANAS BUMI BERDASARKAN LITOLOGI, ALTERASI HIDROTERMAL DAN PROFIL TEMPERATUR Cyrke A.N. Bujung -; Alamta Singarimbun -; Dicky Muslim -; Febri Hirnawan -; Adjat Sudradjat -
Bulletin of Scientific Contribution: GEOLOGY Vol 8, No 3 (2010): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (543.739 KB) | DOI: 10.24198/bsc geology.v8i3.8254

Abstract

This study aims to delineate the breadth and depth of the geothermal reservoir and the resulting temperature. The method used is a compilation of lithology, alteration and the temperature profile that is supported by literature references and well data. Delinasi prospect area and deep reservoir of data viewed by lithology, alteration and the temperature profile. Regional prospects in the region of 2000C or more temperatures are also characterized by the presence of epidote minerals and are on lava and pyroclastic stratigraphy perselingan. The results obtained two different reservoir sites, the first located at depths of 800-1300 m above sea level and an area reached 1.37 x 107 m2., While the second is located at a depth (900 m - bottom) and an area of more than 3, 38 x 106 m2. Based on the temperature profile, the type of prospect geothermal reservoir in this area is the type of dominance of steam. .
PELATIHAN ”MITIGASI BENCANA GEMPA BUMI” SEBAGAI UPAYA MINIMALISIR RESIKO BENCANA BAGI WANITA/KAUM IBU LINGKUNGAN VI MALALAYANG SATU TIMUR Cyrke A N Bujung
ABDIMAS: JURNAL PENGABDIAN KEPADA MASYARAKAT Vol 11, No 2 (2018): AGUSTUS 2018
Publisher : LPPM UNIMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1008.755 KB) | DOI: 10.36412/abdimas.v11i2.887

Abstract

Secara geologis sebagian wilayah Sulawesi Utara rentan terhadap terjadinya gempa bumi, karena berada di jalur pertemuan antar lempeng. Gempa bumi adalah salah satu jenis bencana alam yang sering mengakibatkan kerugian harta benda maupun korban jiwa dan menimbulkan kerusakan sarana dan prasarana lainnya yang membawa dampak sosial dan ekonomi. Tujuan dari pelaksanaan kegiatan pelatihan ini adalah memperkenalkan dasar-dasar pengetahuan tentang gempa bumi, memberikan simulasi cara menyelamatkan diri dari bencana gempa bumi, serta menjelaskan mengenai mitigasi bencana gempa bumi sebagai upaya minimalisir resiko bencana gempa bumi. Kelompok yang menjadi sasaran pada PPM ini adalah wanita Kaum Ibu Lingkungan VI Malalayang Satu Timur, khususnya kelompok wanita kaum ibu GMIM Air Terang Malalayang Satu Timur yang berjumlah 25 orang. Metode yang dilakukan adalah presentasi, diskusi dan simulasi. Kegiatan ini menghasilkan panduan bagaimana dan apa yang harus dilakukan pada saat terjadi gempa, artikel ilmiah dan poster. Dengan pelatihan dan workshop yang diselenggarakan, para peserta mendapatkan wawasan dan pengetahuan tentang mitigasi bencana gempa bumi sebagai upaya minimalisir resiko bencana.
STUDI DENSITAS LINEAMENT DAN POLA ALIRAN PERMUKAAN DAERAH MANIFESTASI GEOTERMAL DI SEKITAR DANAU Cyrke A. Bujung
Jurnal FisTa : Fisika dan Terapannya Vol 1 No 1 (2020): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v1i1.55

Abstract

North Sulawesi is an area with a complex geological structure because North Sulawesi is located in a collision zone of three plates at once. Therefore, North Sulawesi has geothermal potential which can be used as a power plant. Surface manifestations associated with surface geological structures can be identified based on lineament analysis on remote sensing images. This study aims to identify the geological structure of the surface of the geothermal area based on its lineament density, flow patterns, and surface manifestations. The surface structure was analyzed by lineament density at the surface by the FFD method. This lineament is assumed to be associated with a fracture or fault which in the geothermal area is generally covered by surface manifestations so that it is difficult to identify. These faults and fractures are assumed to be weak areas where the thermal fluid moves so that they can be a clue to the location of the permeable area or reservoir. The results showed that the high density of surface geological structures is associated with the presence of geothermal manifestations on the surface of the Tondano caldera and its surroundings. The manifested area is an area with a dense flow pattern and is a young volcanic rock.
ANOMALI MEDAN GRAVITASI UNTUK IDENTIFIKASI PATAHAN DAERAH MANIFESTASI PANAS BUMI DI SEKITAR GUNUNG TAMPUSU Herry Manik; Cyrke A. N. Bujung; Jeane Tumangkeng
Jurnal FisTa : Fisika dan Terapannya Vol 1 No 2 (2020): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v1i2.94

Abstract

Geothermal manifestation area around Tampusu Mountain is an area surrounded by highlands and lowlands. The existence of the highlands and lowlands allows the fault in the Geothermal Manifestation area around Mount Tampusu. The purpose of this study was to determine the presence of faults in the geothermal manifestation area around Tampusu Mountain based on the Gravity Method. From the results of the study, high bouguer anomaly values ​​are located in the southeast of Tampusu Mountain, with a distribution value of 152.4 - 164.4 mGal (0,001524 – 0,001644 m/s2). Whereas for areas with low bouguer anomaly values are in the southwestern part of Mount Tampusu with values ​​126 - 136 mGal (0,00126 – 0,00136 m/s2). This anomaly variation is probably caused by differences in the density of rocks scattered in the Geothermal Manifestation Area around Tampusu Mountain. Through Bouger Anomaly Value Mapping, it is estimated that the fault in the Geothermal Manifestation area around Mount Tampusu is in the southeastern part of Mount Tampusu which leads to the Northeast, based on the drastic increase in the value of the bouguer anomaly. Fault that is in the Geothermal Manifestation area around Mount Tampusu is classified as a normal fault or fault down.
IDENTIFIKASI DAERAH PROSPEK PANAS BUMI BERDASARKAN SEBARAN TEMPERATUR DAN STRESS VEGETASI MENGGUNAKAN CITRA LANDSAT 8 DI DAERAH GUNUNG TAMPUSU Ginevra Dagna Clarissa; Cyrke A. N. Bujung; Patricia M. Silangen
Jurnal FisTa : Fisika dan Terapannya Vol 1 No 2 (2020): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v1i2.96

Abstract

Mount Tampusu is a mountain located in North Sulawesi Province, Indonesia. Mount Tampusu is a mountain flanked by two lakes resulting from volcanic activity, namely Lake Linow and Lake Tondano, also around Mount Tampusu, there are geothermal manifestations such as hot water pools and steamy soils. The surface temperature around Mount Tampusu has changed from year to year. Whether the changes occur significantly or only slightly, surely it affects the vegetation around the mountain. The purpose of this study was to determine the surface temperature and vegetation stress in the area of ​​geothermal manifestation around Mount Tampusu based on the Remote Sensing Method. In this study, the analysis uses Landsat 8 satellite imagery in 2020. The value of surface temperature is obtained from the thermal band processing of Landsat 8 satellite imagery which is then correlated with the vegetation index value obtained from NIR and Red band processing using the correlation method. The results showed that the high vegetation index was in the manifestation area with a value of 0.58. The value of the influence of surface temperature on vegetation -0.70596. A negative value (-) means that the vegetation and surface temperature are inversely correlated. The higher the vegetation, the lower the surface temperature value and vice versa, the higher the surface temperature, the lower the vegetation index.
Co-Authors Adjat Sudradjat - Adjat Sudrajat Alamta Singaribun Alamta Singarimbun - Alfrie Musa Rampengan Almasih Mayumi Rontos Angely Syuly Ratag Bethrany F. Landung Dicky Muslim Donny R. Wenas Donny R. Wenas Donny Royke Wenas Drili Lidya Cintana Meruntu Farly Reynol Tumimomor Fatihin, Riva Choerul Febri Hirnawan Febri Hirnawan - Ferdy Dungus Fingki Astrika Kulo Ginevra Dagna Clarissa Gregorius Siga Herry Manik Jeane Rende Jeane Tumangkeng Jeferson Polii Jeilen G. N. Nusa Jeilen Gabriela Nusa Jeisi Meilita Walangitan Jonathan J. Wuisan Lubis, Muhammad Rizky Marcelino Datunsolang Patricia M. Silangen Ridel Raturandang Rolles Nixon Palilingan Rolles Nixon Palilingan Satyano Mongan Singarimbun, Alamta Sixtus I. Umboh Tineke Makahinda Vincensius Jamlean Yasin, Kartika Constantia Yosua Walewangko