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Journal articles on the topic 'Anomaly'
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1
Ilahude, Delyuzar. "MAGNETIC ANOMALY PATTERNS USING TREND SURFACE ANALYSIS APPLICATION (TSA) ON MARINE GEOLOGY MAPPING IN THE BALIKPAPAN WATERS." BULLETIN OF THE MARINE GEOLOGY 27, no. 1 (February 15, 2016): 19. http://dx.doi.org/10.32693/bomg.27.1.2012.42.
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The application of Trend Surface Analysis (TSA) method an geological and geophysical research in map sheets 1813-1814, Balikpapan Waters and its surrounding, shows the significant value of residual anomaly. The magnetic disseverance of regional and total anomaly value obtained the negative anomaly between -50 nT and -350 nT and positive anomaly between +50 nT and +400 nT. The contour of total and regional anomaly shows the magnetic properties of rocks which characterizes the geological arrangements of the research areas. Residual anomaly yielded from the 2nd order value of regional anomaly might be correlated with the formation of basin structures in the central and northern parts of research area, which is interpreted as a part of Kutai Basin.
Keywords : TSA method, magnetic anomaly, geology and geophisics, Balikpapan Waters.
Penerapan metode TSA dalam penelitian geologi dan geofisika di Lembar Peta 1813-1814, Perairan Balikpapan dan sekitarnya menunjukkan nilai anomali sisa yang cukup signifikan. Hasil pemisahan nilai anomali magnet regional dan anomaly total diperoleh nilai anomali yaitu antara -50 nT dan –350 nT dan anomali positif antara +50 nT dan +400 nT. Kontur anomali total dan anomali regional memperlihatkan sifat kemagnitan batuan yang mencirikan tatanan geologi daerah penelitian. Anomali sisa dihasilkan dari nilai anomali regional orde ke 2, kemungkinan berkaitan dengan pembentukan struktur cekungan di bagian tengah dan utara daerah penelitian yang ditafsirkan sebagai bagian dari Cekungan Kutai.
Kata kunci : metode TSA, anomali magnet, geologi dan geofisika, Perairan Balikpapan.
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Muhajirin, Muhajirin, Nazli Ismail, and Bukhari Bukhari. "The Computation of Residual and Regional Anomaly of Gravity Method Data By Polynomial Filter Using Microsoft Excel." Journal of Aceh Physics Society 9, no. 2 (May 1, 2020): 37–41. http://dx.doi.org/10.24815/jacps.v9i2.15745.
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Eksplorasi metode gravitasi umumnya dilakukan untuk mencari objek di bawah permukaan yang dangkal sehingga perlu dilakukan pemisahan anomali residual dan regional dari anomali Bouguer lengkap. Perhitungan anomali residual biasanya menggunakan software khusus untuk pengolahan data geofisika yang berlisensi atau algoritma dengan bahasa pemrograman, sedangkan program Microsoft Excel pada PC dan notebook biasa digunakan untuk perhitungan polinomial pada pengolahan data statistik. Penelitian ini memperkenalkan cara menghitung anomali residual menggunakan Microsoft Excel dengan filter polinomial. Hasil validasi yang menggunakan model sintetik menunjukkan bahwa perhitungan tersebut dapat diaplikasikan pada data metode gravitasi. Apalikasi pada data lapangan diperoleh bahwa anomali residual berfrekuensi tinggi, sedangkan anomali regional berfrekuensi rendah. Nilai anomali residual dipengaruhi oleh trendline anomali Bouguer lengkap dalam domain jarak. Hasil ini relatif sama dengan hasil perhitungan software lainnya. Gravity method exploration was generally conducted to seek the object in shallow underground so that required residual and regional anomaly separation of complete Bouguer anomaly. The residual anomaly separation was usually used by the special softwares for geophysics that require licency or algorithm by programming language, however the program of Microsoft Excel in the PC or notebook was usually applied to compute the polynomial filter for statistic data analysis. This research introduces how to compute residual anomaly using Microsoft Excel through polynomial filter. The validation result of sintetic model shows that the computation using Microsoft Excel can be applied to gravity method data. The application of field data was obtained that residual anomaly has high frecuency, whereas residual anomaly has low frecuency. The value of residual anomaly was influenced by trendline of complete Bouguer anomaly in distance domain. This result relatively equal to the result of other softwares. Keywords: gravity method, residual anomaly, regional anomaly, polynomial filter, Microsoft Excel
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Subagio, Subagio, and Tatang Patmawidjaya. "POLA ANOMALI BOUGUER DAN ANOMALI MAGNET DAN KAITANNYA DENGAN PROSPEK SUMBER DAYA MINERAL DAN ENERGI DI PULAU LAUT, PULAU SEBUKU DAN SELAT SEBUKU, KALIMANTAN SELATAN." JURNAL GEOLOGI KELAUTAN 11, no. 3 (February 16, 2016): 115. http://dx.doi.org/10.32693/jgk.11.3.2013.236.
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Anomali Bouguer Pulau Laut, Pulau Sebuku, dan Selat Sebuku dapat dikelompokkan menjadi dua wilayah anomali meliputi anomali berpola melingkar dengan kisaran nilai dari 40 hingga 64 mGal, dan anomali berpola lurus dengan kisaran nilai 40 hingga 50 mGal. Anomali magnet di daerah ini bervariasi dari -700 hingga 1600 nT, membentuk pola tinggian dan rendahan. Anomali Bouguer berpola melingkar dengan kisaran nilai 45-64 mGal mencerminkan batuan ultrabasa yang relatif mendekati permukaan. Batuan ultrabasa yang tersingkap di permukaan dicirikan oleh anomali magnet tinggi. Anomali Bouguer berpola kontur lurus sejajar menunjukkan sesar naik maupun sesar turun yang terdapat di daerah tersebut. Sesar naik yang berkembang di daerah penelitian umumnya terdapat di Pegunungan Meratus yang mempunyai mendala geologi sama. Anomali Bouguer dan anomali magnet rendah mencerminkan cekungan sedimen. yang diakibatkan oleh adanya gaya tarikan yang pernah ada. Batuan terobosan yang dijumpai, diduga terbentuk bersamaan dengan periode gaya tarikan ini. Serangkaian proses tektonik yang hasilnya terekam pada anomali Bouguer, anomali magnet, dan singkapan batuan memberi implikasi kemungkinan terdapatnya sumber daya energi dan mineral di daerah penelitian. Mineralisasi logam diperkirakan dapat dijumpai di sekitar daerah terobosan. Bijih besi, nikel, dan kromit kemungkinan terdapat di daerah ultra-mafik, sedangkan batubara di daerah cekungan sedimen.
Kata kunci : Anomali Bouguer, anomali magnet, sumber daya energi dan mineral, sesar naik dan sesar turun.
Bouguer anomaly of the Laut Island, Sebuku Island, and The Sebuku Strait can be grouped into two anomaly groups covering the circular pattern anomaly with range from 40 to 64 mGals, and the straight pattern with range of values from 40 to 50 mGals. The range of magnetic anomalies in the study area area from -700 to 1600 nT, forming high and low anomay patterns. The circular pattern of the Bouguer anomalies with range from 45 to 64 mGals reflects that the ultramafic rocks relatively close to the surface, while exposed ultrabasic rocks are indicated by high magnetic anomalies. Paralled pattern contour of Bouguer anomaly show a thrust faults and normal faults in this area. Thrust faults of commonly develop in Meratus Mountaint that has the same geological setting. The low Bouguer and magnetic anomalies reflect a sedimentary basin caused by previous tensional force. The intrusion rocks found in the study area suggest to be formed together with this tensional force period. A series of tectonic events recorded in Bougue anomaly, magnetic anomaly, and out crops gave the implication the possibility the present of energy and mineral resources in the study area. Metal mineralization suggests to be found in the intrusion area. Irons, nickels and chromites supposed can be found in the ulta-mafic area, while coal can be found in the sedimentary basin.
Keywords : Bouguer anomalies, magnetic anomalies, energy and mineral resources, thrust and normal faults.
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Panjaitan, Saultan, and Subagio Subagio. "POLA ANOMALI GAYABERAT DAERAH TALIABU-MANGOLE DAN LAUT SEKITARNYA TERKAIT DENGAN PROSPEK MINYAK BUMI DAN GAS." JURNAL GEOLOGI KELAUTAN 12, no. 2 (February 16, 2016): 65. http://dx.doi.org/10.32693/jgk.12.2.2014.247.
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Anomali gayaberat di daerah penelitian merupakan anomali tertinggi di Indonesia, secara umum dikelompokkan ke dalam 2 (dua) satuan, yaitu: kelompok anomali gayaberat 160 mGal hingga 260 mGal membentuk pola rendahan/cekungan anomali, dan kelompok anomali gayaberat 260 mGal hingga 620 mGal membentuk pola tinggian anomali. Anomali sisa 0 mGal hingga 5 mGal membentuk tinggian anomali, diduga merupakan gambaran antiklin dengan diameter 10 – 15 kilometer. Perangkap struktur migas di daerah Minaluli, Madafuhi dan Lekosula Pulau Mangole berdekatan dengan lokasi rembesan migas, sehingga diusulkan untuk dilakukan pemboran eksplorasi. Sedangkan di Pulau Taliabu, Tolong, Pena, Samuya dan Teluk Jiko masih perlu dilakukan penambahan data. Batuan reservoir terdiri dari batupasir dan batugamping Formasi Tanamu berumur Kapur Akhir, menempati daerah beranomali sisa 0 mGal hingga 5 mGal, dengan rapat massa batuan sekitar 2.65 gr/cm³. Batuan induk adalah Formasi Buya umur Jura Tengah - Jura Akhir dari serpih hitam dengan rapat massa 2.71 gr/cm³, dan dapur migas terbentuk di sekitar daerah beranomali sisa -4 mGal hingga -28 mGal yang membentuk sub-cekungan di utara lepas pantai Pulau Mangole.
Kata kunci: gayaberat, dapur minyak, cekungan, migas, serpih hitam, anomali sisa, rapat massa, antiklin, batuan induk.
The gravity anomaly of research area is the highest anomaly in Indonesia, generally it can be grouped into 2 (two) units, that are 160 mGal up to 260 mGal anomaly groups formed low anomaly pattern, and 260 mGal up to 620 mGal anomaly groups formed high anomaly pattern. 0 mGal to 5 mGal residual anomaly formed high anomaly pattern, it is interpreted as anticline with diameter are 10-15 kilometers. The trap oil and gas structures of this area at Minaluli, Madafuhi, and Lekosula are near the location of oil and gas seepage, that is propose to explore and drill in that area. Whereas in Taliabu Island, Tolong, Pena, Samuya, and Jiko Gulf still need increasing datas. Reservoir rocks consist of sandstones and limestones of Tanamu Formations were Late Cretaceous age, that occupied the location of 0 mGal to 5 mGal residual anomaly with density 2.65 g/cm ³. Hostrock are Buya Formation are Middle Jurassic - Late Jurassic from black shales with density 2.71 g/cm³, and kitchen oil were formed in the area - 4 mGal to -28 mGal residual anomaly that formed low anomaly in the northern offshore of Mangole Island.
Keyword: gravity, oil kitchen, basin, oil and gas, black shales, recidual anomaly, density, anticline, hostrocks.
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Ilahude, Delyuzar, and Beben Rachmat. "POLA ANOMALI MAGNET LOKAL DARI APLIKASI TREND SURFACE ANALYSIS (TSA) PADA PEMETAAN GEOLOGI KELAUTAN BERSISTEM DI PERAIRAN SELAT MALAKA SUMATERA UTARA." JURNAL GEOLOGI KELAUTAN 9, no. 2 (February 16, 2016): 109. http://dx.doi.org/10.32693/jgk.9.2.2011.204.
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Analisis intensitas magnet dari penerapan metode TSA orde ke 2 menunjukkan nilai anomali lokal yang cukup signifikan dari pemisahan nilai anomali magnet total di perairan Selat Malaka. Kontur anomali lokal yang dihasilkan diduga berkaitan dengan pola struktur geologi busur belakang Sumatera Utara.
Kata kunci : anomali lokal, metode TSA
Analysis of magnetic intensity using 2nd orde of the TSA method shows a significant value of local anomaly from the separation of total magnetic anomaly value in the Malaka Strait waters. Contour of the local anomaly resulted is assumed to be correlated with the geological structure pattern of back arc of North Sumatera.
Keyword : local anomaly, TSA method
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Hafizhah, Luthfia, and Dwi Pujiastuti. "Perbandingan Anomali Frekuensi Kritis Lapisan F2 (Fof2) Ionosfer Pada Gempa Bumi Laut Dan Gempa Bumi Darat Pulau Sumatera." Jurnal Fisika Unand 10, no. 1 (February 17, 2021): 41–47. http://dx.doi.org/10.25077/jfu.10.1.41-47.2021.
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Pada saat akan terjadinya gempa bumi, maka akan diikuti dengan peningkatan injeksi gas radon di daerah zona persiapan gempa. Gas radon ini akan menyebabkan perubahan terhadap lapisan ionosfer. Telah dilakukan analisis perbedaan anomali frekuensi kritis lapisan F2 ionosfer (foF2) sebelum kejadian gempa laut dan gempa darat menggunakan ionogram ionosonda FMCW (Frequency Modulation Continous Wave) untuk melihat perbedaan karakteristiknya. Terdapat 5 kejadian gempa darat dan 5 kejadian gempa laut yang dianalisis. Rentang hari pengambilan ionogram adalah 21 hari sebelum kejadian gempa bumi (analisis prekursor gempa bumi) dan 7 hari setelah kejadian gempa bumi (respon lapisan ionosfer setelah gempa bumi). Terdapat 13.440 buah ionogram yang di-scaling manual. Perbandingan intensitas anomali foF2 pada gempa laut dan gempa darat terlihat acak dan tidak memiliki karakteristik yang berbeda. Anomali foF2 sudah terlihat 21 hari sebelum gempa darat. Pada gempa laut kemunculan anomali foF2 juga sudah terlihat 21 hari sebelum gempa bumi tetapi hanya untuk gempa dengan magnitudo besar saja yaitu gempa 12 September 2007 (7,7 SR dan 7,9 SR) dan 11 April 2012 (8,4 SR). Kemunculan anomali foF2 terakhir beberapa jam sebelum gempa bumi darat berakhir lebih cepat dibandingkan dengan gempa laut. Respon lapisan ionosfer terhadap aktivitas seismik dari gempa darat lebih cepat dari pada gempa laut. Anomali foF2 dipengaruhi oleh sumber gempa bumi, kedalaman dan magnitudo. Comparing the characteristic critical frequency anomaly of the ionosphere F2 layer (foF2) concerning land earthquake and sea earthquake during 2005 – 2016 in Sumatera region has been carried out. Ionogram data from the Frequency Modulation Continous Wave (FMCW) ionosonde instrument were analyzed for each of the five earthquakes. The foF2 anomaly in sea earthquake and land earthquake looks random. The foF2 anomaly was seen 21 before the earthquake. For the land earthquake, the foF2 anomaly has also been seen 21 days before the earthquake but only with large magnitudes ( 7.7 SR). The last foF2 anomaly was observed several hours before the land earthquake, ending the anomaly sooner than sea earthquake. Thus, the ionosphere layer response to seismic activity from the land arthquake was faster than sea earthquakes. The foF2 anomaly is influenced by earthquake source, depth, and magnitude.
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Ango, Christian Imanuel, Dolfie Paulus Pandara, Ferdy Ferdy, and Seni H. J. Tongkukut. "Investigasi Anomali TEC-Ionosfer Sebelum Letusan Gunung Lokon 14 Juli 2011 Menggunakan Metode Sliding Interquartile." Jurnal MIPA 9, no. 1 (January 24, 2020): 28. http://dx.doi.org/10.35799/jmuo.9.1.2020.27677.
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Gunung Lokon yang berada di Sulawesi Utara adalah salah satu gunung api yang sering mengalami erupsi di Indonesia. Sebelum erupsi terjadi, terdapat aktivitas pra-erupsi yang memicu munculnya anomali Total Electron Content (TEC) di ionosfer. Anomali TEC yang menandai terjadinya letusan diasumsikan sebagai prekursor erupsi yang dapat bermanfaat bagi upaya mitigasi bencana letusan. Tujuan penelitian ini adalah untuk menginvestigasi anomali TEC sebelum letusan gunung Lokon pada tanggal 14 Juli 2011. Investigasi anomali TEC menggunakan metode Sliding Interquartile diperoleh hasil yang menunjukkan adanya anomali TEC yang terjadi 3 hari menjelang letusan yaitu pada tanggal 11 Juli 2011. Hal ini mengindikasikan adanya aktivitas pra-erupsi yang berpengaruh pada kuantitas TEC di ionosfer.Mount Lokon, located in North Sulawesi is among the most active volcanoes in Indonesia. Before the eruption occurred, there was a pre-eruption activity that triggered anomaly on Total Electron Content (TEC) in the ionosphere. TEC anomaly that mark the eruption are assumed as precursors of eruption that can be useful for disaster eruption mitigation efforts. The purpose of this study was to investigate the TEC anomaly before the Lokon eruption on July 14, 2011. Investigation of TEC by using the Sliding Interquartile method, the results showed that an TEC anomaly occurred 3 days before the eruption on July 11, 2011.These indicates the presence of pre-eruptive activity that affects the quantity of TEC in the ionosphere.
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Mu’awanah, Frida Rosidatul, Bambang Priadi, Widodo Widodo, I. Gde Sukadana, and Rian Andriansyah. "Mobilitas Uranium pada Endapan Sedimen Sungai Aktif di Daerah Mamuju, Sulawesi Barat." EKSPLORIUM 39, no. 2 (January 31, 2019): 95. http://dx.doi.org/10.17146/eksplorium.2018.39.2.4953.
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ABSTRAK Mamuju merupakan daerah yang memiliki nilai laju dosis radiasi (radioaktifitas) tinggi. Daerah penelitian terdiri dari 6 sektor yaitu Sektor Ahu, Orobatu, Takandeang, Botteng, Pangasaan, dan Taan. Variasi batuan pada daerah penelitian tidak mencerminkan distribusi uranium, sehingga diperlukan metode geokimia untuk mengetahui distribusi uranium pada sistem drainase. Penelitian ini bertujuan untuk memberikan gambaran mobilitas dan distribusi uranium pada sistem drainase dengan menggunakan sampel sedimen sungai aktif. Analisis mobilitas uranium menggunakan persen labil yang didapatkan dari perbandingan uranium total dan uranium labil. Nilai uranium total didapatkan dari pengukuran X-Ray fluorescence spectrometry dan nilai uranium labil didapatkan dari pengukuran labile fluorimetry. Pengambilan sampel dilakukan pada 4 lokasi potensial berdasarkan data radiometri. Hasil analisis menunjukkan Sektor Ahu memiliki nilai anomali uranium labil >113,44 ppm, Sektor Pangasaan dengan nilai anomali uranium labil >168,63 ppm, Sektor Takandeang dengan nilai anomali uranium labil >74,36 ppm, dan Sektor Botteng dengan nilai anomali uranium labil >84,23 ppm. Tipe anomali yang teridentifikasi pada dua sektor, yaitu anomali pada sektor Ahu berhubungan dengan presipitasi hidrolisat uranium terlarut pada endapan sungai dari lava Ahu dan breksi Tapalang, sementara anomali pada Sektor Takandeang berhubungan dengan pengayaan permukaan uranium in situ pada tanah dan batuan lava Takandeang. ABSTRACT Mamuju is an area that has a high dose rate (radioactivity) value. The research area consists of 6 sectors namely Ahu, Orobatu, Takandeang, Botteng, Pangasaan, and Taan Sector. Lithological distribution does not represent the distribution of uranium; therefore geochemical method is needed to observe the distribution of uranium in the drainage system. The aim of this research is to provide an overview of the mobility and distribution of uranium in the drainage system using stream sediment. Uranium mobility analysis uses labile percent obtained from the ratio of total uranium and labile uranium, the total uranium value obtained from the measurement of X-Ray fluorescence spectrometry and the value of labile uranium obtained from measurement of labile fluorimetry. The sample taken from 4 potential areas based on radiometric value Map. The result of analysis shows that Ahu Sector has labile uranium anomaly >113.44 ppm, Pangasaan Sector with labile uranium anomaly >168.63 ppm, Takandeang Sector with uranium labile anomaly values >74.36 ppm, and Botteng Sector with uranium labile anomaly >84.23 ppm. The anomaly types identified from two sectors, namely Ahu Sector anomaly is related to the precipitation of dissolved uranium hydrolysates in stream deposit originating from Ahu lava and Tapalang breccia, while Takandeang Sector anomaly is related to the enrichment of in situ uranium in soil and Takandeang lava.
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Rahman, Fathu, Taufik Edy Sutanto, and Nina Fitriyati. "Web Traffic Anomaly Detection using Stacked Long Short-Term Memory." InPrime: Indonesian Journal of Pure and Applied Mathematics 3, no. 2 (November 10, 2021): 112–21. http://dx.doi.org/10.15408/inprime.v3i2.21879.
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AbstractAn example of anomaly detection is detecting behavioral deviations in internet use. This behavior can be seen from web traffic, which is the amount of data sent and received by people who visit websites. In this study, anomaly detection was carried out using stacked Long Short-Term Memory (LSTM). First, stacked LSTM is used to create forecasting models using training data. Then the error value generated from the prediction on test data is used to perform anomaly detection. We conduct hyperparameter optimization on sliding window parameter. Sliding window is a sub-sequential data of time-series data used as input in the prediction model. The case study was conducted on the real Yahoo Webscope S5 web traffic dataset, consisting of 67 datasets, each of which has three features, namely timestamp, value, and anomaly label. The result shows that the average sensitivity is 0.834 and the average Area Under ROC Curve (AUC) is 0.931. In addition, for some of the data used, the window size selection can affect the sum of the sensitivity and AUC values. In this study, anomaly detection using stacked LSTM is described in detail and can be used for anomaly detection in other similar problems.Keywords: time-series data; sliding window; web traffic; window size. AbstrakSalah satu contoh deteksi anomali adalah mendeteksi penyimpangan perilaku dalam penggunaan internet. Perilaku ini dapat dilihat dari web traffic, yaitu jumlah data yang dikirim dan diterima oleh orang-orang yang mengunjungi situs web. Pada penelitian ini, deteksi anomali dilakukan menggunakan Long Short-Term Mermory (LSTM) bertumpuk. Pertama, LSTM bertumpuk digunakan untuk membuat model peramalan menggunakan data latih. Kemudian nilai error yang dihasilkan dari prediksi pada data uji digunakan untuk melakukan deteksi anomali. Kami melakukan optimasi hyperparameter pada parameter sliding window. Sliding window adalah data sub-sekuensial dari data runtun waktu yang digunakan sebagai input pada model prediksi. Studi kasus dilakukan pada dataset web traffic Yahoo Webscope S5 yang terdiri dari 67 dataset yang masing-masing memiliki tiga fitur yaitu timestamp, value, dan anomaly label. Hasil menunjukkan bahwa rata-rata sensitivitas sebesar 0.834 dan rata-rata Area Under ROC Curve (AUC) sebesar 0.931. Selain itu, untuk beberapa data yang digunakan, pemilihan window size dapat mempengaruhi jumlah dari nilai sensitivitas dan AUC. Pada penelitian ini, deteksi anomali menggunakan LSTM bertumpuk dijelaskan secara rinci dan dapat digunakan untuk deteksi anomali pada permasalahan lainnya yang serupa.Kata kunci: data runtun waktu; sliding window; web traffic; window size.
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Alviana, Sopian, and Irfan Dwiguna Sumitra. "ANALISIS PENGUKURAN PENGGUNAAN SUMBER DAYA KOMPUTER PADA INTRUSION DETECTION SYSTEM DALAM MEMINIMALKAN SERANGAN JARINGAN." Komputa : Jurnal Ilmiah Komputer dan Informatika 7, no. 1 (March 19, 2018): 27–34. http://dx.doi.org/10.34010/komputa.v7i1.2533.
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Pemanfaatan intrusion detection system sebagai salah satu Teknik yang dapat mendeteksi serangan lebih dini dalam jaringan komputer. Dalam mendeteksi setiap serangan intrusion detection system menggunakan dua Teknik yaitu dengan anomaly based dan signature based. Pada penelitian ini akan mengukur penggunaan sumber daya komputer yang digunakan dalam mendeteksi serangan baik oleh anomaly based maupun signature based. Teknik pengukuran menggunakan experimental metode dengan memberikan sistem dengan serangan secara terus menerus dan bervariasi dari serangan yang bersifat anomali maupun bersifat signature, kemudian mengukur penggunaan sumber daya baik memori maupun penggunaan processor, serta waktu responsi oleh signature based maupun anomaly based. Berdasarkan analisis pengukuran terhadap respon deteksi metode anomaly based mempunyai keunggulan deteksi lebih cepat dengan membutuhkan 7 detik dibandingkan dengan signature based. Sedangkan, penggunaan processor metode signature based mengkonsumsi processor lebih rendah mencapai 69% dibandingkan anomaly based 75%, dan anomaly based cenderung lebih kecil dalam penggunaan memori dengan 60% dibandingkan signature based yang mengkonsumsi memory sebesar 62%.
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Hasibuan, Jamaludin, Asdiati Berutu, Halimahtun Sakdiah, and Rahmatsyah Rahmatsyah. "Studi Penentuan Anomali Situs Purbakala di Tapanuli Tengah Dengan Metode Geomagnetik." Wahana Fisika 2, no. 1 (June 20, 2017): 1. http://dx.doi.org/10.17509/wafi.v2i1.7040.
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Penelitian penentuan anomali magnetik situs arkeologi di Tapanuli Tengah dengan metode geomagnetik telah dilakukan untuk mengetahui adanya penampang anomali magnetik di lokasi Lobu Tua. Metode pengukuran Geomagnet menggunakan tipe PPM (Proton Precession Magnetometer) Elsec 770, pengambilan data dilakukan secara acak dengan jumlah titik yang diperoleh 51 titik pengukuran, pengolahan data menggunakan surfer 11 untuk mendapatkan peta kontur dan Mag2DC for windows. Hasil penelitian menunjukkan bahwa penyebaran struktur pelapis Lobu Tua menggunakan metode geomagnet menyebar secara vertikal dan horizontal. Anomali dengan metode geomagnetik memiliki nilai terendah - 122,34 nT dan nilai tertinggi adalah -100,34 nT, dan nilai suseptibilitas 0,77, 0,87, 0,91 dimana model anomali permukaan didominasi oleh batuan alluvium sesuai dengan Peta geologi.Research on the determination of anomaly archaeological site in Central Tapanuli by geomagnetic method has been done in order to know the magnetic anomaly cross section of Lobu Tua site. Geomagnet measurement method using PPM (Proton Precession Magnetometer) type Elsec 770, data retrieval is done randomly with number of point obtained 51 point measure, data processing using surfer 11 to get contour map and Mag2DC for windows. The result of the research shows that the dissemination of Lobu Tua's site coating structure using geomagnet method is spread vertically and horizontally. The anomaly with geomagnetic method has the lowest value - 122,34 nT and the highest value is -100,34 nT, and the susceptibility value 0,77, 0,87, 0.91 where the surface anomaly model is dominated by alluvium rocks according to the geological map.
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Kaindeh, Gloria R., Seni H. Tongkukut, Gerald H. Tamuntuan, R. Telleng, Ferdy Ferdy, Mans Mananohas, and Dolfie P. Pandara. "Investigasi Anomali TEC Ionosfer Berkaitan Dengan Gempa Bumi Jailolo 15 Nopember 2019 Menggunakan Metode 2DPCA." JURNAL ILMIAH SAINS 20, no. 2 (October 28, 2020): 128. http://dx.doi.org/10.35799/jis.20.2.2020.30073.
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Penelitian ini berfokus pada upaya menginvestigasi anomali Total Electron Content (TEC) ionosfer berkaitan dengan gempa bumi Jailolo yang terjadi pada tanggal 15 November 2019 pukul 01:17 Waktu Indonesia Timur (WIT) dengan menggunakan metode Two Dimensional Principal Component Analysis (2DPCA). Anomali TEC yang teridentifikasi oleh metode 2DPCA digunakan untuk menentukan prekusor dari gempa bumi Jailolo. Citra Global Ionosphere Maps (GIM) TEC selang tanggal 9-15 Nopember 2019 dianalisis dan dikonversi menjadi citra nilai Eigen menggunakan program Matlab_2DPCA. Berdasarkan citra nilai Eigen ditemukan bahwa pada tanggal 13 Nopember 2019 pukul 22:15 – 22:35 WIT telah terjadi anomali TEC ionosfer di atas episenter gempa bumi Jailolo dengan durasi 20 menit. Selama aktivitas pra seismik, ionosfer memberikan respon berupa penurunan nilai TEC. Anomali kandungan elektron total ionosfer merupakan suatu prekursor yang berasosiasi dengan pelepasan gas radon selama aktivitas pra seismik sebelum gempa bumi. Kata Kunci: Anomali TEC; gempa bumi Jailolo; metode 2DPCA; nilai eigen, prekursor Investigation of Ionosphere TEC Anomalies Associated with the 15 November 2019 of Jailolo Earthquake Using the 2DPCA Method ABSTRACTThis research focuses on investigating of the ionospheric total electron content (TEC) anomaly associated with the Jailolo Earthquake earthquake that occurred on November 15, 2019 at 01:17 Eastern Indonesian Time (WIT) using the 2DPCA method. The TEC anomaly identified by the 2DPCA method was used to determine the precursor of the Jailolo earthquake. Global ionosphere maps (GIM) TEC images between November 9-15, 2019 were analyzed and converted into several images of the Eigen value using the Matlab_2DPCA program. Based on Eigen value images, it was found that on November 13, 2019 at 22:15 – 22:35 WIT, an ionosphere TEC anomaly occurred above the epicenter of the Jailolo Earthquake with a duration of 20 minutes. During pre-seismic activity, ionosphere given a responds by decreasing of TEC value. The total electron content anomaly of the ionosphere is a precursor associated with the release of radon gas during pre-seismic activity before an earthquake.Keywords: TEC anomaly; Jailolo earthquake; 2DPCA method; eigen value, precursor
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Tang, Wilson H., and Irwan Halim. "Updating Anomaly Statistics—Multiple Anomaly Pieces." Journal of Engineering Mechanics 114, no. 6 (June 1988): 1091–96. http://dx.doi.org/10.1061/(asce)0733-9399(1988)114:6(1091).
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Tang, Wilson H. "Updating anomaly statistics—single anomaly case." Structural Safety 4, no. 2 (January 1986): 151–63. http://dx.doi.org/10.1016/0167-4730(86)90029-9.
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Boyrazlı, Hatice Kübra, and Ahmet Çınar. "ANOMALY DETECTION WITH MACHINE LEARNING ALGORITHMS IN CROWDED SCENES IN UMN ANOMALY DATASET." e-Journal of New World Sciences Academy 16, no. 1 (January 30, 2021): 1–6. http://dx.doi.org/10.12739/nwsa.2021.16.1.2a0185.
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Andriani, Fitria Dwi, Mimin Iryanti, and Indriana Lucky Sari. "Analisis Pola Waktu Mula Anomali Polarisasi Sinyal Sebelum Gempa Bumi Di Wilayah Aceh Dan Sumatera Utara." Wahana Fisika 2, no. 2 (December 28, 2017): 54. http://dx.doi.org/10.17509/wafi.v2i2.9372.
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Telah dilakukan penelitian mengenai pola waktu mula anomali polarisasi sinyal geomagnet yang dapat dijadikan sebagai parameter dalam menentukan tanda atau gejala sebelum gempa bumi dengan menggunakan data komponen magnetik yang diperoleh dari pengamatan geomagnetik di Obsevatorim Badan Meteorologi Klimatologi Geofisika Tungtungan. Penelitian ini bertujuan untuk mengetahui pola waktu mula anomali polarisasi sebelum gempa bumi di wilayah Aceh dan Sumatera Utara terjadi. Gempa bumi yang di invertigasi merupakan gempa bumi yang terjadi di Sumatera Utara dan Aceh pada periode 2012-2015 dan memiliki magnitude > 5 SR. Polariasi dilakukan dengan membandingkan data geomagnet komponen H dan Z. Transformasi fourier diperlukan untuk merubah sinyal menjadi domain frekuensi. Kemudian dilakukan penapisan frekuensi sinyal pada spektrum 0,05-0,02 Hz. Spektrum ini dipilih karena berkaitan dengan aktivitas sebelum gempa. Hasil polarisasi sinyal dibandingkan dengan data Indeks Dst untuk menentukan waktu mula anomali yang berasal dari aktivitas gempa. Selanjutnya dilakukan analisis pola waktu tehadap magnitudo gempa. Berdasarkan pola yang telah dihasilkan menggambarkan bahwa pola waktu mula anomali yang semakin lama akan menghaslkan magnitudo gempa yang lebih besar. Kata kunci: Anomali Polarisasi, Sinyal Geomagnet, Gempa Bumi, Indeks Dst Research on the time pattern of anomaly polarization of geomagnetic signals can be used as a parameter in determining the signs or symptons before the earthquake using magnetic component data obtained from geomagnetic observation in Observatorium Meteorology Climatology Geophysics Tungtungan. The purpose of this reseach is to know the time pattern of polarization anomaly before earthquake in Aceh and North Sumatera region. The investigated earthquake is an earthquake in the period 2012-2015. Polarization is done by comparing geomagnetic data of H and Z components. Fourier transform are needed to convert signals into frequency domains. Then performed signal frequency filtering on spectrum 0,05-0,02 Hz. this spectrum was chosen because it is related to activity before the earthquake. The result of the signal polarization is compared with the Dst Index data to determine the starting time of the anomaly derivedfrom the earthquake activity. Furthermore, the time pattern analysis was made to the anomaly starting time pattern that will prolog the magnitude of the larger earthquake. Keywords : Polarization Anomaly, Geomagnet Signal, Earthquake, Index Dst
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Irawan, Bambang. "Fenomena Anomali Iklim El Nino dan La Nina: Kecenderungan Jangka Panjang dan Pengaruhnya terhadap Produksi Pangan." Forum penelitian Agro Ekonomi 24, no. 1 (August 18, 2016): 28. http://dx.doi.org/10.21082/fae.v24n1.2006.28-45.
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<strong>English</strong><br />El Nino occurrence tends to increase with longer duration, higher magnitude of climate anomaly, and shorter cycle period of occurrence. Climate anomaly induces decrease of rainfall and water availability with further consequence on food production decline by 3.06 percent for each El Nino case. Contrary to El Nino which causes rainfall and food production decreases, La Nina causes increases in rainfall and improves food production by 1.08 percent. The lowest production decrease induced by El Nino and the highest production increase caused by La Nina was observed on corn production indicating that corn production is the most sensitive to climate anomaly. To reduce possible food production decrease induced by El Nino a comprehensive mitigating policy is essential. The policy consists of three major efforts, namely: (1) establishment of earlier warning system on climate anomaly, (2) development of efficient dissemination system on climate anomaly information, and (3) developing, disseminating and facilitating farmers to implement cultural techniques adaptive to drought condition as well as improving, rehabilitating irrigation network and developing rainfall harvesting techniques.<br /><br /><br /><strong>Indonesian</strong><br />Frekuensi kejadian El Nino cenderung meningkat dengan durasi yang semakin panjang, tingkat anomali iklim yang semakin besar, dan siklus kejadian yang semakin pendek. Anomali iklim tersebut menyebabkan penurunan curah hujan dan ketersediaan air irigasi yang selanjutnya berimplikasi pada penurunan produksi pangan sebesar 3,06 persen untuk setiap kejadian El Nino. Sebaliknya, kejadian La Nina cenderung diikuti dengan peningkatan curah hujan dan merangsang peningkatan produksi pangan sebesar 1,08 persen untuk setiap kejadian La Nina. Penurunan produksi pangan akibat El Nino dan peningkatan produksi pangan akibat La Nina paling tinggi terjadi pada produksi jagung. Hal ini menunjukkan bahwa produksi jagung paling sensitif terhadap peristiwa anomali iklim. Dalam rangka menekan dampak negatif El Nino terhadap produksi pangan maka diperlukan kebijakan penanggulangan yang komprehensif yang meliputi tiga upaya pokok yaitu : (1) pengembangan sistem deteksi dini anomali iklim, (2) pengembangan sistem diseminasi informasi yang efisien tentang anomali iklim, dan (3) mengembangkan, mendiseminasikan dan memfasilitasi petani untuk menerapkan teknik budidaya tanaman yang adaptif terhadap situasi kekeringan di samping membangun dan merehabilitasi jaringan irigasi serta mengembangkan teknik pemanenan curah hujan.
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Bagaskara, Wendra, and Khairunnisa Khairunnisa. "MARKET ANOMALY ANALYSIS: THE DAY OF THE WEEK EFFECT, JANUARY EFFECT, ROGALSKY EFFECT AND WEEKFOUR EFFECT TESTING IN INDONESIA STOCK EXCHANGE (CASE STUDY ON COMPANIES LISTED IN LQ45 INDEX IN 2013- 2017)." ACCRUALS 3, no. 1 (March 29, 2019): 83–91. http://dx.doi.org/10.35310/accruals.v3i1.42.
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Financial theory explained that there are four types ofanomalies such as firm anomaly, seasonal anomaly, eventanomaly, and accounting anomaly. Seasonal anomalies aredivided into several parts such as The Day of The WeekEffect, the January Effect, Rogalsky Effect, and Week-FourEffect. The results of research in Indonesia show mixedresults related to this anomaly.The purpose of this research is to test wether The Day ofThe Week Effect, January Effect, Rogalsky Effect, andWeek-Four Effec market anomalyt occurred on theIndonesia Stock Exchange. This research is a study thatuses quantitative research methods with the purpose ofdescriptive-verification. The unit of analysis of this researchis the companies that registered consistently in the LQ45index for the period 2013-2017 using purposive samplingtechnique. This study used 37 research samples for 5 yearsof research and used a different test analysis with SPSSStatistics 25.The results showed that there was an anomaly of TheDay of The Week Effect on the Indonesia Stock Exchangeand there was no anomaly in the January Effect, RogalskyEffect, and Week-Four Effect on the Indonesia StockExchange
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Patmawidjaya, Tatang, and Subagio Subagio. "PENELITIAN GAYABERAT DAN GEOMAGNIT KEPULAUAN ARU, CEKUNGAN WOKAM." JURNAL GEOLOGI KELAUTAN 12, no. 1 (February 16, 2016): 1. http://dx.doi.org/10.32693/jgk.12.1.2014.241.
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Paparan Arafura di bagian selatan Kepulauan Aru merupakan depresi Lempeng Indo-Australia yang ditunjukkan oleh anomali gayaberat dan geomagnet tinggi. Sedangkan depresi di bagian utara yang tertahan Palung Aru diperlihatkan oleh anomali gayaberat tinggi dan anomali geomagnet rendah. Anomali ini diduga sebagai penebalan batuan metamorf yang mengalami pangangkatan sebagai alas cekungan Wokam. Analisis data gayaberat dan geomagnet mengindikasikan penurunan cekungan ini ke arah utara. Penurunan anomali gayaberat ke arah Pulau Wokam yang berarah baratdaya-timurlaut di selatan dan baratlaut-tenggara di daerah utara ditafsirkan sebagai struktur sesar. Hal ini dicirikan oleh arah sungai atau selat sebagai pemisah pulau-pulau di Kepulauan Aru. Anomali gayaberat residual mengindikasikan cekungan dan punggungan berarah baratdaya-timurlaut yang membentuk antiklin dan sinklin. Sesar dan lipatan ini menerus sebagai struktur geologi dangkal bawah permukaan. Berdasarkan pemodelan gayaberat dan geomagnet dapat dikatakan bahwa Cekungan Wokam cenderung menurun ke arah utara akibat sesar normal.
Kata Kunci : gayaberat, geomagnet, pemodelan geologi, Cekungan Wokam
Arafura Shelf in the southern part of the Aru Islands is a depression of the Indo-Australian crust at the south that indicated by high gravity and geomagnetic anomalies. While the northern depression blocked by the Aru Trough indicated by high gravity anomaly and low geomagnetic anomaly. These anomalies presumed as a thickening of the metamorphic rocks due to uplifting and acting as the basement of Wokam Basin. Gravity and geomagnetic analyses indicate a northward subsidence of the basin. The decreasing of the southwest–northeast gravity anomaly in the south and the northwest-southeast in the north, interpreted as a fault. It this characterized by the river direction or strait as islands separation in Aru Archipilagoes. Residual gravity anomaly indicates a southwest-northeast basin and ridge form anticline and syncline. These faults and folds are continuous as the shallow subsurface geological structures. On the base gravity and geomagnetic models, it can be concluded that Wokam Basin tends to subside northward as the result of a normal fault.
Keywords: gravity, geomagnetic, geological models, Wokam Basin
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Butter, Daniel, and Mary K. Gaillard. "Anomaly structure of supergravity and anomaly cancellation." Physics Letters B 679, no. 5 (September 2009): 519–22. http://dx.doi.org/10.1016/j.physletb.2009.08.023.
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Rajeswaran, A., J. M. Thomas, A. Arulkumar, and K. M. Cherian. "(Cardiac Anomaly) 3 or Triple Cardiac Anomaly." Indian Heart Journal 71 (November 2019): S33. http://dx.doi.org/10.1016/j.ihj.2019.11.064.
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Khuri, Safi, and Yoram Kluger. "Kluri Anomaly: Newly Introduced Pancreatic Duct Anomaly." Journal of Medical Cases 13, no. 10 (October 2022): 509–12. http://dx.doi.org/10.14740/jmc4012.
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Subarsyah, Subarsyah, and Sahudin Sahudin. "IDENTIFIKASI SUB-CEKUNGAN DI CEKUNGAN TOMINI BAGIAN SELATAN, BERDASARKAN PENAMPANG SEISMIK 2D DAN ANOMALI GAYA BERAT." JURNAL GEOLOGI KELAUTAN 8, no. 2 (February 16, 2016): 95. http://dx.doi.org/10.32693/jgk.8.2.2010.190.
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Sub-cekungan di Cekungan Tomini dapat diidentifikasi dari penampang seismik di lintasan 28, 30, 32 dan data anomali gayaberat. Dengan mengkorelasikan kedua data tersebut maka dapat diperlihatkan batas sub cekungan.
Batas tepian cekungan berada pada anomali gaya berat antara 80 sampai -80 mgal. Berdasarkan data seismik ketebalan sedimen di sub cekungan ini relatif menebal ke arah barat, begitu juga dengan luas dari sub cekungan ini yang meluas ke arah barat. Secara umum ketebalan sedimen di sub- cekungan ini lebih tebal dibanding sub cekungan di bagian utara.
Kata Kunci : Sub-cekungan, penampang seismik, anomali gaya berat, Tomini.
Sub-basin in the Basin Tomini can be identified from the seismic section in track 28, 30, 32 and gravity anomaly data. By correlating the data, it can be shown sub-basin boundary.
Limits marginal basin located on the gravity anomaly between 80 to -80 mgal. Based on seismic data in the sub-basin sediment thickness is relatively thick to the west, as well as the extent of this sub-basin that extends to the west. In general, the thickness of sediment in the sub basin is thicker than the sub-basins in the northern part.
Keywords: sub-basin, seismic section, gravity anomaly, Tomini.
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Ta'uno, Jein Sintia Dewi, Gerald H. Tamuntuan, and Seni H. J. Tongkukut. "Analisis Medan Magnet Bumi Sebelum dan Sesudah Kejadian Gempa (Studi Kasus: Gempa 18 November 2014 di Sabang)." Jurnal MIPA 5, no. 2 (August 2, 2016): 65. http://dx.doi.org/10.35799/jm.5.2.2016.12962.
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Telah dilakukan penelitian untuk mengidentifikasi dan menganalisis perubahan medan magnet bumi sebelum dan sesudah kejadian gempa 18 November 2014 di Sabang yang dapat dikenali sebagai prekursor gempa bumi. Metode yang digunakan adalah perbandingan residu medan magnet komponen Z dan H. Untuk memastikan anomali yang diperoleh bukan berasal dari gangguan eksternal, data diverifikasi dengan Indeks Dst. Hasil yang diperoleh menunjukkan bahwa anomali medan magnet terjadi pada 2 dan 8 hari sebelum gempa. Anomali diduga kuat berasal dari aktivitas litosfer yang berkaitan dengan retakan yang terjadi pada batuan yang dialiri cairan yang mengandung material bersifat magnet yang menyebabkan kenaikan nilai rasio medan magnet Z/H.A research has been done to identify and analyze earth’s magnetic field change before and after November 18th, 2014 earthquake in Sabang that can be recognize as an earthquake precursor. Method that used ini this research was comparison of Z and H residu of magnetic’s field. To ensure that anomaly identified were not of due to external disturbances that records, data were examined by Dst Index. The result of this research showed that magnetic’s field anomaly were identified in 2 and 8 days before earthquake event. This anomaly was predicted from lithosphere that associated with rock’s crack that flow by liquid that contains magnetic material cause increased of magnetic’s field Z/H rasio.
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Panjaitan, Saultan, and Nyoman Astawa. "STUDI POTENSI MIGAS DENGAN METODE GAYABERAT DI LEPAS PANTAI UTARA JAKARTA." JURNAL GEOLOGI KELAUTAN 8, no. 1 (February 16, 2016): 23. http://dx.doi.org/10.32693/jgk.8.1.2010.183.
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Anomali Bouguer dapat dibagi kedalam dua kelompok yaitu: Anomali gayaberat rendah terbentuk pada kisaran nilai 15 mGal hingga -40 mGal sebagai rendahan sinklin. Anomali gayaberat tinggi terbentuk pada kisaran nilai 40 mGal hingga 60 mGal sebagai tinggian antiklin. Formasi batuan dari atas hingga bawah sebagai berikut: Formasi Cisubuh rapat massa batuan 2.5 gr/cm³ ketebalan pada penampang ±1400 meter. Formasi Parigi rapat massa batuan 2.7 gr/cm³ ketebalan ± 400 meter. Formasi Cibulakan rapat massa batuan 2.6 gr/cm³ ketebalan ± 1600 meter. Formasi Jatibarang rapat massa 2.8 gr/cm³ ketebalan ± 1000 meter. Batuan reservoir didominasi lensa-lensa batupasir Formasi Cibulakan Atas, Cibulakan Bawah serta batugamping Formasi Parigi dan batupasir Formasi Talangakar. Batuan induk migas adalah serpih lakustrin halus Anggota Cibulakan Bawah (Formasi Talang Akar). Tinggian batuan reservoir pada anomali sisa antara 0 mGal hingga 16 mGal dan kedalaman pada penampang ± 1500 meter dengan rapat massa batuan 2.7 gr/cm³ Sesar normal terbentuk arah Utara-Selatan dan sesar naik arah Timur-Barat dikontrol oleh pematahan bongkah pada batuan alas metamorf dengan rapat massa 3.0 gr/cm³.
Kata kunci: gayaberat, antiklin, anomali sisa, lepas pantai.
Bouguer anomaly can be grouped into two parts: Low Gravity anomaly formed at 15 mGal to 40 mGal as syncline lower. High gravity anomaly formed at 40 mGal to 60 mGal as anticline high. Rock formation from the top to the bottom as follows: Cisubuh Formation rock of density with 2.5 gr / cm³ thickness at section of ± 1400 metre. Parigi Formation rock density of 2.7 gr / cm³ thicknees ± 400 metre. Cibulakan Formation density with 2.6 gr / cm³ thickness ± 1600 metre. Jatibarang Formation with density 2.8 gr / cm³ of thickness ± 1000 metre. Reservoir rock is dominated by lens of sandstone upper Cibulakan Formation, Lower Cibulakan and also Parigi Formation limestone and Talangakar Formation sandstone. Sourced rock of oil and gas from shales lacustrine of Cibulakan Lower or Talang Akar Formation. High Rocks reservoir at recidual anomaly range from 0 mGal to 16 mGal at section deepness ± 1500 metre with density of 2.7 gr / cm³, formed by normal fault of Northern-Southern direction and reverse fault Eastern-Western direction controlled by block faulting metamorphics bedrock with density of 3.0 gr / cm³.
Keywords: gravity, anticline, recidual anomaly, offshore.
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Kim, Tae-Hee. "Unclassified Mullerian Anomaly: Retroperitoneal Uterus." Women Health Care and Issues 4, no. 3 (May 12, 2021): 01–03. http://dx.doi.org/10.31579/2642-9756/053.
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Anomalies of uterus might be encountered at Caesarean Section or routine investigation. In this article, we present a rare case of double horns of uterus completely separated. One of them is situated retroperitoneally. Therefore, MRI or CT scans is recommend for unclassified Mullerian anomalies, to confirm pelvic or other anomalies and to reduce the likelihood of complications arising during the operation or delivery.
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Palanova, A. "Collie eye anomaly: a review." Veterinární Medicína 60, No. 7 (July 15, 2016): 345–50. http://dx.doi.org/10.17221/8381-vetmed.
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Panjaitan, Saultan, and Subagio Subagio. "PROSPEK SUMBER DAYA ENERGI BERDASARKAN ANALISIS POLA ANOMALI GAYA BERAT DI DAERAH BIAK DAN SEKITARNYA, PAPUA." JURNAL GEOLOGI KELAUTAN 13, no. 2 (February 16, 2016): 87. http://dx.doi.org/10.32693/jgk.13.2.2015.264.
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Hasil penelitian gayaberat di Pulau Biak menghasilkan anomali gayaberat yang dikelompokkan kedalam 2 (dua) satuan yaitu anomali gayaberat 50 mGal hingga 120 mGal membentuk rendahan anomali mencerminkan cekungan. Kelompok anomali gayaberat 120 mGal hingga 220 mGal membentuk tinggian anomali. Pola tinggian anomali sisa 0 mGal hingga 2 mGal diduga sebagai perangkap struktur migas yang terdapat di daerah Kota Biak utara, Mandon dan lepas pantai timur P. Pai. Batuan bertahanan jenis rendah antara 0 - 16 Ohm-meter yang mengindikasikan batuan reservoir jenuh fluida terbentuk di kedalaman 2500 meter. Kedalaman batuan dasar terbentuk antara 7000-8500 meter, dengan rapat massa batuan 2.9 - 3.1 gr/cm3 bertahanan jenis tinggi 1000-8200 Ohm-meter diduga sebagai cerminan dari batuan ultramafik kerak samudera. Batuan yang menyusun di daerah penelitian terdiri atas lapisan batuan Tersier dengan rapat massa 2.45 gr/cm3, batuan Pra-Tersier dengan rapat massa 2.75 gr/cm3 dan batuan dasar dengan rapat massa 3.1 gr/cm3. Batuan sumber adalah serpih Formasi Makat berumur Miosen dengan rapat massa batuan 2.45 gr/cm3, sedangkan batuan reservoir terdiri dari batupasir Formasi Mamberamo. Kata kunci Gayaberat, cekungan, migas, anomali sisa, rapat massa, sesar, antiklin, batuan sumber, tahanan jenis. Gravity research on the island of Biak gravity anomalies are grouped into two (2) units is a gravity anomaly 50 mgal up to 120 mgal is basin reflecting. Gravity anomaly 120 mgal up to 220 mgal formed heights anaomaly. Altitude residual anomaly from 0 mGal to 2 mgal is oil and gas as trapping structures contained in the northern City of Biak, off the east coast Mandon and P. Pai. The rocks is of low resistivity between 0 -16 Ohm-meter that indicates the saturated fluid reservoir rocks are in the depths of 2500 meter. The depth of the bedrock formed between 7000-8500 meters, with density 2.9 - 3.1 gr / cm3 is heights resistivity types of 1000-8200 Ohm-meter interpreted as a reflection of ultramafic rocks oceanic crust. The rocks in the study area consists of Tertiary rocks layers with a density 2.45 gr / cm3, the Pre-Tertiary rocks with density 2.75 gr / cm3 and bedrock with density 3.1 gr / cm3. The source rocks is of shale from Makat Formation Miocene age with density 2.45 gr / cm3, and the reservoir rock consists of sandstone Mamberamo Formation. Keywords: Gravity, basin, oil and gas, recidual anomaly, density, fault, anticline, source rocks, resistivity.
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Faier, Lieba. "Euphoric Anomaly." Social Analysis 62, no. 4 (December 1, 2018): 17–36. http://dx.doi.org/10.3167/sa.2018.620402.
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Elusiveness can itself be elusive. This article considers why matsutake draw over-the-top excitement as an elusive commodity even in years of prolific harvests. In 2010 Japan, an unexpectedly copious domestic matsutake harvest prompted a precipitous drop in the mushroom’s price and made the mushroom readily accessible. The article traces the sources of consumer excitement that year, showing how matsutake commodity elusiveness is itself produced through contingent coordinations among trees, fungi, weather, pickers, mycology, popular media, and consumers. It suggests that, in 2010, media outlets and consumers resolved the contradictions of this elusiveness—celebrating matsutake’s elite status as an elusive commodity while enjoying its accessibility—by treating the bumper harvest as a euphoric anomaly.
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L. KISACIK, Halil, Kurtulus ÖZDEMIR, Bülent ALTUNKESER, Abdurrahman OGUZHAN, and Siber GÖKSEL. "UHL's Anomaly." Japanese Heart Journal 40, no. 4 (1999): 503–7. http://dx.doi.org/10.1536/jhj.40.503.
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Delyagin, V. M., N. M. Doctorova, and I. Ye Belokrinitskaya. "Ebstein's Anomaly." Effective Pharmacotherapy 18, no. 16 (May 30, 2022): 14–19. http://dx.doi.org/10.33978/2307-3586-2022-18-16-14-19.
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Ebstein’s anomaly is a rare congenital malformation characterized by apical displacement of the right atrioventricular ring with an anomaly of the development of the tricuspid valve and the frequent presence of other heart defects. According to our data, this defect was diagnosed in 2 cases in more than 6 000 sectional studies: in an adult and a child. According to the echocardiography rooms of non-specialized multidisciplinary children's hospitals and children's polyclinics, the defect is detected with a frequency of 1:24.000–1:32.000 studies. Genetic and environmental factors (viral infections, benzodiazepines, lithium) are indicated as probable causes. Clinical signs are cyanosis, shortness of breath, heart failure, cardiac arrhythmias. Morphologically there are abnormalities of the tricuspid valve, papillary muscles and chordal apparatus, right ventricular myocardial hypertrophy, thinning of the walls of the right atrium and atrialized part of the right ventricle. Decisive for the diagnosis is ultrasound. Displacement of the right atrioventricular ring is revealed. The degree of bias determines the severity of the defect. The amplitude of the tricuspid valve movement is increased. Its valve closure occurs later than the mitral. A 40 ms difference between the tricuspid and mitral valve closure points is a diagnostically important sign of Ebstein’s anomaly. The tactics of a doctor are determined by the clinical picture
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Sault, Robert W., and Jeffrey Sheridan. "Peters’ Anomaly." Ophthalmology and Eye Diseases 5 (January 2013): OED.S11142. http://dx.doi.org/10.4137/oed.s11142.
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While conducting medical aid in Mozambique, a 41 year old African male presented to our eye clinic complaining of visual impairment. The male was found to have Peters’ anomaly type 2, a rare congenital ocular malformation leading to sensory amblyopia and glaucoma.
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Holst, Kimberly A., Heidi M. Connolly, and Joseph A. Dearani. "Ebstein’s Anomaly." Methodist DeBakey Cardiovascular Journal 15, no. 2 (April 1, 2019): 138. http://dx.doi.org/10.14797/mdcj-15-2-138.
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Nedvěd, Rudolf. "Mercury's Anomaly." Physics Essays 3, no. 1 (March 1, 1990): 4–6. http://dx.doi.org/10.4006/1.3036485.
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Ruíz, Diego San Millán, and Dheeraj Gandhi. "Venous anomaly." Journal of Neurosurgery 112, no. 1 (January 2010): 213–14. http://dx.doi.org/10.3171/2009.2.jns081595.
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SEWARD, JAMES B. "Ebstein's Anomaly:." Echocardiography 10, no. 6 (November 1993): 641–64. http://dx.doi.org/10.1111/j.1540-8175.1993.tb00082.x.
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O'Loughlin, Aiden J., and Chris Hayward. "Ebstein's Anomaly." New England Journal of Medicine 353, no. 12 (September 22, 2005): e11. http://dx.doi.org/10.1056/nejmicm031104.
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EBSTEIN’S ANOMALY IS A RARE congenital heart defect characterized by displacement of the tricuspid valve leaflets into the right ventricle.1The defect was first described by Wilhelm Ebstein in 1866.2This anomaly of the tricuspid valve causes the right atrium to thin and become enlarged, resulting in a wide range of clinical presentations.3Clinical presentation depends on the severity of the pathologic findings, which vary considerably from patient to patient. Some infants may present with cyanosis, respiratory distress, heart failure, and even death, whereas others may not present with mild symptoms until adolescence or adulthood.
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