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All Journal Jurnal Masyarakat Informatika Journal of Physics and Its Applications Jambura Geoscience Review
Agung Wibawa
Universitas Nahdlatul Ulama Al Ghazali Cilacap
Astronomy Computer Science & IT Earth & Planetary Sciences Materials Science & Nanotechnology Physics

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Usability Testing untuk Platform Pembelajaran Dan Pembuatan Sistem Tertanam Berbasis Mbed Wibawa, Agung; Fajrin, Nanda Noor
Jurnal Masyarakat Informatika Vol 12, No 1 (2021): JURNAL MASYARAKAT INFORMATIKA
Publisher : Department of Informatics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmasif.12.1.41022

Abstract

Sistem tertanam (embedded system) yang menjadi tulang punggung perkembangan (IoT) Internet of Things kini dapat dipelajari dan dibuat oleh semua kalangan, mulai dari para antusias pemula, mahasiswa, hingga para ahli elektronika. Hal ini difasilitasi oleh perkembangan blok pembuatan yang bahkan tersedia secara online. Salah satu penyedia blok pengembangan ternama adalah ARM dengan situs web Mbed Studio-nya. Kalangan perguruan tinggi sendiri bekerja sama dengan perusahaan seperti ARM untuk memberikan Kursus atau Kuliah (Program) pembelajaran online melalui MOOC, dengan salah satu penyedia terbesar bernama edX. Penelitian ini mencoba mengukur kemanfaatan pembelajaran sistem tertanam dengan fasilitas Mbed Studio dan Kursus terkait di edX. Data diambil dengan metode survei SUS (System Usability Scale) yang hasilnya diolah dengan dan dianalisis lebih lanjut dengan Ms Excel. Hasil menunjukkan skor SUS 53,83 untuk situs web Mbed Studio, dan 51,73 untuk situs web edX. Ini berarti bahwa kedua situs berstatus Rendah Marginal untuk kemanfaatannya. Hasil ini juga ekivalen dengan nilai D (dapat diterima) pada skala pemeringkatan relatif. Oleh karena itu, dapat disimpulkan bahwa situs web Mbed Studio dan situs web edX dapat dimanfaatkan dan diterima dengan baik oleh para responden.
Analisis Data Gravitasi Untuk Identifikasi Struktur Bawah Permukaan Daerah Potensi Panas Bumi Cipari Ninik Agustin; Agung Wibawa
Jambura Geoscience Review Vol 4, No 1 (2022): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgeosrev.v4i1.12114

Abstract

Geothermal prospect in Cipari has been shown by spring who has a temperature of about 50°C and is categorized as a low temperature. The presence of spring on Cipari earth's surface is an indication of geothermal structures' existence on the surface and a geothermal system below the surface. Geophysical methods can be used for subsurface structures identification, one of them is the density method with gravity data. This study has an objective to identify the subsurface structures in Cipari geothermal potential area using GGMPlus gravity data. Terrain and Bouguer corrections were used to obtain Complete Bouguer Anomaly (CBA). Separation of regional and residual anomalies using Butterwoth and Bandpass filters. The rock contact boundary was obtained by the FHD method and geological structures such as faults were obtained by the SVD method. FHD and SVD results were used as information for 2D forward modeling. The ABL map shows anomalous contrasts in areas that have rock contacts and geological faults. The high anomaly in the center of the study area indicates the Cipari anticline. Data processing and analysis concluded that the area around the Cipari hot spring has anticline, several rock contacts, and normal fault structures. The fault in the study area is part of the geothermal system which is confirmed by GGMPlus data. 
Depicting the Underground River Systems in Karst Mountains of Buayan and Ayah Subdistricts Using GGMPlus Data and Springs Distribution Agung Wibawa; Siti Fauzatun
Journal of Physics and Its Applications Vol 5, No 1 (2022): November 2022
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v5i1.13210

Abstract

The karst mountain area in Buayan and Ayah subdistricts is a mountainous area that stretches from North to South and ends in the South coast region. In this area, many springs are found which are a source of clean water for residents. The existence of springs in the area is an indicator of the existence of underground rivers flowing under the mountainous area, this is also reinforced by the presence of interconnected caves and the existence of river flows in these caves. Analysis the presence of underground river flows in the Karst mountain area in the study area can be identified by looking at the type of rock formations that dominate the area. The density contrast shown through the residual gravity data also shows changes in rock formations related to the presence of water sources in the study area. GGMPlus data was obtained from forward modeling in order to get a residual map. This study shows that rock formations in the Karst area in the study area conform to the topographical shape.
Co-Authors Fajrin, Nanda Noor Ninik Agustin Siti Fauzatun