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Bahri, Ayi Syaeful
Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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PENGOPTIMALAN DUGAAN MINERAL MANGAN (Mn) DENGAN KORELASI METODE RESISTIVITAS 2D DAN POLARISASI TERINDUKSI 2D DI LAPANGAN “X”, KABUPATEN TIMOR TENGAH UTARA, NUSA TENGGARA TIMUR Bahri, Ayi Syaeful; Hilyah, Anik; Putra, Arya Nur Dewangga
Jurnal Geosaintek Vol. 7 No. 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

IDENTIFIKASI SUNGAI BAWAH PERMUKAAN PADA DATA RESISTIVITAS 2D KONFIGURASI DIPOLE-DIPOLE DI DESA GEDOMPOL, KABUPATEN PACITAN Bahri, Ayi Syaeful; Padlilah, Muthi’ul; Widodo, Amien; Hilyah, Anik; Purwanto, Mohammad Singgih; Hardyani, Putry Vibry; Salim, Christopher
Jurnal Geosaintek Vol. 7 No. 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

Bantuan Teknis Desain “Pawon lan Omah” untuk Meningkatkan Potensi Rumah Tradisional di Desa Sekar, Donorejo, Pacitan Septanti, Dewi; Bahri, Ayi Syaeful; Irvansjah; Indrawan, Iwan Adi; Utami, Adinda Sih Pinasti Retno; Indarti, Fenty Ratna; Narida, Tisya Surya
Sewagati Vol 9 No 6 (2025)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v9i6.4319

Abstract

Pariwisata saat ini menjadi primadona untuk meningkatkan pendapatan masyarakatdan merupakan salah satu sektor penyumbang pendapatan daerah. Desa Sekar, Pacitanmerupakan kawasan yang sangat berpotensi sebagai kawasan wisata alam danbudaya, mengingat daerah tersebut adalah daerah karst (kapur) yang banyak terdapatgua-gua yang terbentuk secara alami yang dapat dijadikan sebagai atraksi wisatadi kawasan ini. Selain itu Desa Sekar juga memiliki potensi budaya berupa upacaraadat dan karawitan, wisata kuliner dan Usaha Mikro Kecil Menengah (UMKM)dengan berbagai macam hasil produk. Namun terdapat kendala dalam upaya untukmeningkatan kapasitas Desa Sekar menjadi desa wisata, yaitu kurangnya ketersediaansarana dan prasarana pendukung, khususnya untuk fasilitas penginapan danpenyediaan kuliner bagi wisatawan yang ingin menginap. Peningkatan kualitasrumah warga khususnya rumah tradisional menjadi homestay sekaligus tempatpenyediaan kuliner mendorong perlunya pengabdian masyarakat untuk memberikanbantuan teknis untuk mendesain dan menata ulang rumah dan dapur untuk keperluantersebut. Kegiatan ini diharapkan dapat membantu memberikan masukan kepadapemerintah Kabupaten Pacitan, maupun masyarakat Desa Sekar. Kegiatan ini telahdipublikasikan di kanal youtube, berita nasional di media massa, dan telah mendapatkansertifikat Hak Cipta. Selain itu, desain yang telah dibuat akan diimplementasikanpada kegiatan pengabdian masyarakat berikutnya.
Analysis of Formation Ronggojalu Spring and Probolinggo Active Fault Continuity with Satellite Data Gravity Method M. Erfand Dzulfiqar Rafi; M. Haris Miftakhul Fajar; M. Singgih Purwanto; Anik Hilyah; Ayi Syaeful Bahri; Helda Kusuma Rahayu
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3399

Abstract

The Ronggojalu spring, with a discharge intensity of more than 3,000L/second, makes it one of the spring with the most significant discharge in Indonesia and is the main supplier of clean water for the City of Probolinggo. From the observation of topographic maps, the existence of this spring forms a lineament with Paras Spring and Sumber Kramat with a direction of Northeast to Southwest. The presence of this lineament can indicate the existence of geological structures that play a role in the formation of spring. In addition, this lineament is in the same direction as the active Probolinggo fault identified by PUSGEN (Pusat Studi Gempa Nasional). This study aims to identify the presence of geological structures in the lineament using satellite gravity data GGMplus (Global Gravity Model) and Remote Sensing. This data is quite efficient and effective in identifying subsurface geological structures. With the SVD (Second Vertical Derivative) analysis, the residual anomaly results from the second derivative value of the Bouger anomaly so that it can show the density contrast value as an indication of the geological structure. From the results of the interpolation of satellite gravity data in the study area, the CBA (Complete Bouguer Anomaly) value range is -16.8 – 4.8 mGal. The analysis of SVD and FHD shows a significant contrast different values along the fault line that passes through the spring. The lineament density processing also shows a weak zone around the fault zone, indicating the continuity in that zone. The existence of a fault under this spring indicates the influence of the fault on the formation of Ronggojalu Spring, Paras Spring, and Keramat Spring. In addition, it is estimated that this fault is a continuation of the active Probolinggo fault.
Application of Very Low Frequency (VLF) Method for Underground River Estimation in Donorojo Sub-District, Pacitan Bahri, Ayi Syaeful; Rochmah, Khusnul Nur; Fajar, M. Haris Miftakhul; Rochman, Juan Pandu Gya Nur; Lestari, Wien; Fida, Fachri Almawali Abil
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 14, No 2 (2024): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v14i2.83171

Abstract

Pacitan is included in the Gunung Sewu karst area in the Southern Mountain Zone, and carbonate rocks dominate the constituent rocks. Karst has a unique drainage system because it is dominated by subsurface flow. This research was conducted in Cemeng and Klepu villages, Donorojo sub-district, Pacitan, with 4 track data. Data were collected using the very low frequency electromagnetic (VLF-EM) method with a track length ranging from 200-450 m, a measurement spacing of 5 m, and a transmitter frequency of 19.8 kHz. Data processing uses filtering and inversion, resulting in a cross-section of resistivity values. Based on the subsurface resistivity cross-section profile, the cavity in the carbonate rock layer with a resistivity value of 0-500 Ωm is identified as an underground river. The underground river is found on tracks 1, 2, 3, and 4 near the surface, with a depth of about 30 m below the surface.
Co-Authors Abdillah, Robi Alfaq Adib Banuboro Agung, B Harjo Ahmad Irfaan Hibatullah Alfaq Abdillah Robi Alifiansyah Faizal Amien Widodo Amir, Moh Faisal Anggi Arwin Pratama Anggi, Arwin Anwar, Muhammad Khayrul Arif Darmawan Ariffiyanto, Wahyu Aripin, Pegri Rohmat Arwin Anggi Arya Nur Dewangga Putra B Harjo Agung Billy Dovan Yuspancana Chemistra, Paul Christopher Salim Darmawan, Arif Darmawan Dewi Septanti Dihein Reksa Ikmaluhakim Dihein Reksa Ikmaluhakim Diptya Mas Nugraha Diptya Mas Nugraha Dwa Desa Warnana Dwiyanto Hadi P Eko Hadi Purwanto Fahmi Aulia Rahman Fahmi Aulia Rahman Faizal, Alifiansyah Fajar, M. Haris Miftakhul Faza Nabeel Fida, Fachri Almawali Abil Fransiskha Wedha Prameswari Fuadur K Hardyani, Putry Vibry Helda Kusuma Rahayu Hibatullah, Ahmad Irfaan Hilyah, Anik Indarti, Fenty Ratna Irvansjah Irwan Setyowidodo, Bagus Jaya Santosa Iwan Adi Indrawan Jaka Rahadiansyah Juan Pandu G.N.R. Juan Pandu Gya Nur Rochman K, Fuadur Zakki Lestari, Wien Lestyowati, Titis Linda Silvia, Linda M Haris Miftakhul Fajar M. Erfand Dzulfiqar Rafi M. Haris Miftakhul Fajar M. Singgih Purwanto M. Singgih Purwanto Mariyanto Mariyanto Moh Faisal Amir Moh. Singgih Purwanto Moh. Singgih Purwanto Muhammad Khayrul Anwar Muhazzib F Muthiul Padlilah Narida, Tisya Surya Nizar Dwi Riyantiyo Nugraha, Diptya Mas Padlilah, Muthi’ul Paul Chemistra Paul Chemistra Pegri Aripin Pegri Rohmat Aripin Pegri Rohmat Aripin Prasetyo, Dwiyanto Hadi Purwanita Setijanti Purwanto, Moh. Singgih Purwanto, Mohammad Singgih Putra, Arya Nur Dewangga Putry Vibry Hardyani R Aldi Kurnia Wijaya Rahadiansyah, Jaka Rahman, Fahmi Aulia Rika Kisnarini Rismayanti, Hasibatul Farida Rizal Taufiqurrohman Robi Alfaq Abdillah Robi Alfaq Abdillah Rochmah, Khusnul Nur Salim, Christopher Shofi Iqtina Hawan Shofi Iqtina Hawan Singgih Purwanto Syaifuddin, Firman Syaifuddin, Firman Taufiqurrohman, Rizal Titis Lestyowati Tricahyo Agung Budi Harjo Utami, Adinda Sih Pinasti Retno Utami, Widya Vivi Wulandari Wahyu Ariffiyanto Wahyu Setyawan Wahyudi Parnadi Widya Utama Widya Utama Wijaya, R. Aldi Kurnia Wijaya, R. Aldi Kurnia Yuspancana, Billy Dovan