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All Journal EDULITE: Journal of English Education, Literature and Culture Populis : Jurnal Sosial dan Humaniora Bio-Lectura JGISE-Journal of Geospatial Information Science and Engineering Jurnal Keperawatan GSH Al-Mazaahib: Jurnal Perbandingan Hukum Journal on Biology and Instruction (JouBIns)
Arum, Dewi Sekar
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Engineering Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology Nursing Public Health Social Sciences

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Journal : JGISE-Journal of Geospatial Information Science and Engineering

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Bathymetric Mapping of Shallow Water Using Aerial Images With Structure-From-Motion Approach: A Case Study Of Kepulauan Seribu Water, Dki Jakarta Sulistian, Teguh; Gularso, Herjuno; Arum, Dewi Sekar; Aditya, Sandi; Mugiarto, Fajar Triady
Jurnal Geospasial Indonesia Vol 7, No 2 (2024): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.102075

Abstract

Bathymetric mapping is crucial for marine spatial planning and coastal infrastructure development. However, shallow waters with depths ranging from 0 to 5 meters are considered critical areas that pose dangers to conventional survey vessels. This research examines a bathymetric mapping method for the shallow waters of Kepulauan Seribu, Jakarta, using aerial images captured by an unmanned aerial vehicle (UAV) with a structure-from-motion (SfM) approach. Furthermore, the point cloud must be corrected for the refractive index since light passes through both air and water. The seawater refractive index is derived from salinity and seawater temperature data. The validation process uses several independent control points (ICPs) obtained from GNSS real-time kinematic (RTK) measurements and soundings conducted with an unmanned surface vessel (USV). The accuracy assessment shows that the SfM point cloud data has a horizontal RMSE of 0.103 m and a vertical RMSE of 0.191 m. The aerial image approach significantly speeds up the acquisition process compared to conventional sounding methods and produces a higher density of point clouds, integrating the coastal digital elevation model (DEM) of both land and sea areas. However, the use of this method is limited to clear waters where the seabed is visible in the images.
Co-Authors Aditya, Sandi Adityaningsih, Shafira Ramadhanty Az-Zahra , Rania Fawwaz, Hana Fatiya Gayatri, Dyah Ayu Hanum Isfaeni Herjuno Gularso Husna, Putri Halimu Mugiarto, Fajar Triady Pratama, Agung Barok Rizhal Hendi Ristanto Sugiyanto, M.Si, Eko Sulistian, Teguh Zulyeno, Bastian