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All Journal Journal of Applied Geospatial Information Jurnal Ilmiah Pendidikan Profesi Guru
Suhengki
Institut Teknologi PLN, Jakarta, Indonesia
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Environmental Science Physics

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Detecting Shallow Water Submarine Cables with Single Beam Echosounder in Tidung Island M Hasbi Sidqi Alajuri; Henry M. Manik; Muhammad Zainuddin Lubis; RozeffPramana; Basyaruddin Islmail Harahap; Doli Bonardo; Marisha Pertiwi; Suhengki
Journal of Applied Geospatial Information Vol. 10 No. 1 (2026): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v10i1.12118

Abstract

Detecting submarine cables in tropical shallow waters remains challenging due to environmental complexity and the similarity of backscatter signatures to other seafloor objects. This study characterizes the acoustic backscatter response of two types of submarine cables concrete-armored and non-armored in the waters of Tidung Island using a SIMRAD EK-15 and a Furuno FCV-628 echosounder operating at 200 kHz. Data processing was conducted to derive Volume Backscattering Strength (SVc) and Surface Scattering Strength (SS). Measurements of the concrete-armored cable using the Furuno system produced SVc values of −6.701 dB and −5.055 dB, and SS values of −11.855 dB and −9.510 dB, indicating high reflectivity due to the impedance contrast between concrete and seawater. In contrast, measurements of the non-armored cable using the SIMRAD system yielded SVc values of −11.547 dB and −12.600 dB and SS values of −14.612 dB and −15.665 dB, reflecting weaker and more variable returns caused by direct exposure of the cable structure to sediments and hydrodynamic forces. The consistent differences between the two cable types demonstrate that each structure exhibits a distinctive acoustic signature that can be used as a discriminating parameter for mapping. This study provides important empirical evidence by presenting direct acoustic backscatter characterization of submarine cables in Indonesia and demonstrates that commercial echosounders can reliably support infrastructure inspection in shallow-water environments.
Interactive Media with A Generative Learning Model based on SETS to Improve Students' Critical Thinking Skills Michelly Fathimatuzzahra Suhengki; Akmam Akmam; Suhengki; Desnita; Fatni Mufit
Jurnal Ilmiah Pendidikan Profesi Guru Vol. 8 No. 3 (2025): November
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jippg.v8i3.108882

Abstract

Quality education is a key factor in producing competent human resources capable of addressing the challenges posed by the rapid advancement of science and technology in the era of globalization. In the context of 21st-century learning, students are not only required to master conceptual knowledge but also to develop various higher-order thinking skills, one of which is critical thinking. Based on this premise, this study aims to develop an interactive learning media using the Generative Learning Model with a Science, Environment, Technology, and Society (SETS) approach to enhance students’ critical thinking skills. This study employed a Research and Development (R&D) design using the ADDIE Model. The research sample consisted of 49 senior high school students. The research subjects included five learning media experts, while the trial participants consisted of three physics teachers and 52 tenth-grade students. Data were collected using questionnaires and tests, with instruments consisting of questionnaire sheets and test items. Data analysis techniques included qualitative descriptive analysis, quantitative descriptive analysis, and inferential statistical analysis. The results indicate that the developed interactive learning media based on the Generative Learning Model with the Science, Environment, Technology, and Society (SETS) approach demonstrates a very high level of feasibility in terms of validity, practicality, and effectiveness. Based on these findings, it can be concluded that the interactive renewable energy learning media developed through the Generative Learning Model and Science, Environment, Technology, and Society (SETS) approach is effective in improving students’ critical thinking skills.
Interactive Media with A Generative Learning Model based on SETS to Improve Students' Critical Thinking Skills Michelly Fathimatuzzahra Suhengki; Akmam Akmam; Suhengki; Desnita; Fatni Mufit
Jurnal Ilmiah Pendidikan Profesi Guru Vol. 8 No. 3 (2025): November
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jippg.v8i3.108882

Abstract

Quality education is a key factor in producing competent human resources capable of addressing the challenges posed by the rapid advancement of science and technology in the era of globalization. In the context of 21st-century learning, students are not only required to master conceptual knowledge but also to develop various higher-order thinking skills, one of which is critical thinking. Based on this premise, this study aims to develop an interactive learning media using the Generative Learning Model with a Science, Environment, Technology, and Society (SETS) approach to enhance students’ critical thinking skills. This study employed a Research and Development (R&D) design using the ADDIE Model. The research sample consisted of 49 senior high school students. The research subjects included five learning media experts, while the trial participants consisted of three physics teachers and 52 tenth-grade students. Data were collected using questionnaires and tests, with instruments consisting of questionnaire sheets and test items. Data analysis techniques included qualitative descriptive analysis, quantitative descriptive analysis, and inferential statistical analysis. The results indicate that the developed interactive learning media based on the Generative Learning Model with the Science, Environment, Technology, and Society (SETS) approach demonstrates a very high level of feasibility in terms of validity, practicality, and effectiveness. Based on these findings, it can be concluded that the interactive renewable energy learning media developed through the Generative Learning Model and Science, Environment, Technology, and Society (SETS) approach is effective in improving students’ critical thinking skills.
Co-Authors Akmam Akmam Basyaruddin Islmail Harahap Desnita Doli Bonardo Fatni Mufit Henry Munandar Manik M. Hasbi Sidqi Alajuri Marisha Pertiwi Muhammad Zainuddin Lubis RozeffPramana