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All Journal Wikrama Parahita : Jurnal Pengabdian Masyarakat INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Geografi
Muhammad Yanis
Universitas Syiah Kuala
Astronomy Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences Other

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Efficient Use of Satellite Gravity Anomalies for mapping the Great Sumatran Fault in Aceh Province Muhammad Yanis; Marwan Marwan; Nazli Ismail
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 9, No 02 (2019): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (805.861 KB) | DOI: 10.13057/ijap.v9i2.34479

Abstract

Gravity Satellite has been widely used in tectonic studies and regional of geological mapping. The Satellite Gravity data are provided free by Scripps Institution of Oceanography, University of California San Diego. The data are acquired by GEOSAT and ERS-1 satellites with a 1.5 km resolution for one pixel. For a further application, the tilt derivative analytic technique was used in order to enhance linear trends of the geological structure revealed by the Bouguer anomalies. The method is represented by the value of an angle between the total horizontal and vertical derivative from the gravity data. The results show that the tilt derivative calculation has been able to map clearly some geological structures on the north of Sumatra i.e., the Aceh and the Seulimeuem segments, as well as some local faults around them. On the other hand, Banda Aceh as the capital city of Aceh Province and Pidie District is dominated by positive values of the tilt derivative anomalies. The data coincide with geological maps of both areas where they are covered by alluvial deposits. Based on the result, it can be concluded that the tilt derivative method is potentially used for quick interpretation of the satellite gravity data.
APPLICATION OF UNMANNED AERIAL VEHICLE AS A BASE MAP LAYER IN NEAR-SURFACE GEOPHYSICS Muhammad Yanis; Aprilla Hasibuan Anggini; Faisal Abdullah; Muzakir Zainal; Marwan Abubakar
JURNAL GEOGRAFI Vol 13, No 1 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i1.17818

Abstract

The Geophysical method is operated by using physical parameters above the surface to estimate the subsurface structures. In data interpretation, all 3D surveys, i.e., magnetic, gravity, magnetotelluric, and airborne, are required for geographical conditions in the research area. In a large area, global DEM data is used to explain the field condition, but for local measurement, the data is not efficient due to low resolution (15-30 m/px). This research uses UAV technology to produce a high-resolution topography in local Geophysical measurement (500 x 600 m). The survey was conducted to map the coal structure in the subsurface. UAV data were also compared to SRTM (30 m/px) and DEMNAS (8 m/px) as global topography. Based on data processing, the UAV topographic was have a high resolution of 2.5 cm/px. Comparison of UAV and magnetic data are able to explain a good condition of field measurement than a global DEM data, even in a relatively small area; outcrops of the coal (50x50 m) can show a good differences contrast of topography. Based on data analysis, we can conclude that UAV technology can interpret the geophysical data measured in a local area.Keywords: UAV, SRTM, Topography, Geophysical Interpretation.Metode Geofisika bekerja dengan memanfaatkan parameter fisis diatas permukaan untuk pendugaan struktur bawah permukaan. Dalam tahapan interpretasi data, semua pengukuran 3D Geofisika; magnetic, gravity, magnetotelluric, dan airbone sangat membutuhkan keadaan geografis lapangan. Pada area yang luas, data DEM global digunakan untuk menjelaskan deskripsi lapangan, namun untuk pengukuran dekat permukaan yang bersifat lokal, data ini tidaklah efesien, karena resolusi yang relative rendah (15 – 30 m/px). Kami menggunakan teknologi UAV untuk menghasilkan topografi resolusi tinggi pada area pengukuran Geofisika dengan luas 500 x 600 m, yang disurvei untuk pemetaan batubara dibawah permukaan. Data UAV juga dibandingkan dengan topografi global SRTM (30 m/px) dan DEMNAS (8 m/px). Hasil pengolahan data menunjukkan data UAV menghasilkan topografi dengan resolusi 2.5 cm/px. Hasil overlay UAV dengan Geofisika magnetik mampu menjelaskan deskripsi lapangan dengan sangat baik dibandingkan DEM global, bahkan pada area yang relative kecil seperti singkapan batuabara (50x50 m) dapat menunjukkan keadaan perbedaan topografi dengan kontras. Berdasarkan data analysis, topografi UAV sangat potensial digunakan untuk interpretasi data Geofisika dekat permukaan yang diukur pada area yang relative lokal.Kata kunci: UAV, SRTM, Topografi, Interpretasi Geofisika.
Peningkatan Manajemen Wisata Berbasis Teknologi Informasi di Desa Iboih, Kota Sabang Muzakir Zainal; Muhammad Yanis; Riza Aulia Putra; Muksin Muksin
Wikrama Parahita : Jurnal Pengabdian Masyarakat Vol. 7 No. 1 (2023): Mei 2023
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jpmwp.v7i1.5452

Abstract

Aktivitas Great Sumatran Fault pada Pulau Sumatera telah menyajikan deretan gunungapi dan geological landscape yang dapat di kembangkan sebagai potensi geowisata, seperti di Iboih, Weh Island tersedia dengan banyak potensi wisata alam yang dapat digunakan untuk peningkatan ekonomi masyarakat secara langsung, dan dapat digunakan sebagai lesson learned terhadap bahaya hidup di lingkungan vulkanik. Manajemen informasi wisata yang masih dikelola secara conventional memberikan keterbatasan dalam wisata, seperti penguasaan bahasa asing untuk pengelolaan informasi dan promosi terhadap pengunjung mancanegara. Maka perlu adanya pengembangan sistem manajemen wisata secara digital yang terintegrasi dengan teknologi informasi. Kegiatan ini dilaksanakan dalam empat tahapan yaitu, survei permasalahan mitra, perencanaan, pengembangan sistem manajemen wisata dan pelatihan masyarakat. Kegiatan pengabdian ini telah menghasilkan produk berupa sistem manajemen informasi, papan informasi destinasi wisata terintegrasi dengan QR-code dan peningkatan kemampuan masyarakat dalam pengelolaan informasi dan promosi wisata. Informasi pada QR-code ini disajikan dalam berbagai bahasa asing yang mempermudah wisatawan yang berkunjung ke Desa Iboih. Hasil pengabdian ini juga menunjukkan bahwa masyarakat sangat tertarik dengan penerapan manajemen wisata berbasis teknologi informasi.
Pemetaan potensi geothermal Seulawah Agam berdasarkan data DEMNAS dan Landsat 8 Faisal Abdullah; Muhammad Yanis; Anshar Vahreza; Muhammad Isa; Nasrullah Zaini
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 12, No 2 (2022): IJAP Volume 12 ISSUE 02 YEAR 2022
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v12i2.49158

Abstract

Seulawah Agam is one of the volcanoes for geothermal energy development with an estimated 150 Mwe. At the exploration stage, thermal and multispectral image analysis is needed for surface temperature calculations, subsurface temperature modeling, and geothermal potential mapping of volcanoes. In this study, we used Landsat 8 and DEMNAS data to analyze the distribution of potential geothermal areas in the Seulawah Agam. Based on analysis of Fault Fracture Density (FFD) from DEMNAS, three classifications reflect the distance of the fault, namely low level (0 - 0.30 km/km2), medium (0.30-0.60 km/km2), and high (0.60-0.90 km/km2), where the distribution of geothermal potential is at medium and high-density levels. Meanwhile, the NDVI, NDWI data analysis shows dense vegetation areas on volcanoes and relatively rare in some manifestations. It can also be confirmed well by the high-temperature distribution in some craters between 34.63 C to 46.59 C. Based on observational data. It shows that DEMNAS and Landsat 8 data are very potential to be used as an initial method of analyzing the distribution of geothermal potential on the Seulawah Agam volcano.
Co-Authors Anshar Vahreza Aprilla Hasibuan Anggini Faisal Abdullah Marwan Abu Bakar Muhammad Isa Muksin Muksin Muzakir Zainal Nasrullah Zaini Nazli Ismail Putra, Riza Aulia