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All Journal Jurnal Ilmu dan Teknologi Perikanan Tangkap
Vivanda O. J. Modaso
Program Studi Pemanfaatan Sumberdaya Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Manado 95115
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Physics Other

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Arus lagrangian di sekitar rumpon di tengah teluk Manado Demsi Y. Tatanging; Alfret Luasunaung; Vivanda O. J. Modaso; Patrice N. I. Kalangi; Kawilarang W. A. Masengi; Henry J. Kumajas†
JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Vol. 4 No. 1 (2019): Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jitpt.4.1.2019.22782

Abstract

Masyarakat nelayan tradisional di daerah Teluk Manado memanfaatkan potensi sumber daya perikanan melalui usaha penangkapan ikan dengan menggunakan peralatan relatif sederhana dan menggunakan alat bantu rumpon. Pergerakan atau perpindahan rumpon sangat di pengaruhi oleh arus permukaan. Untuk itu, tujuan penelitian adalah mengetahui pergerakan dan pola arus yang ada di sekitar rumpon di tengah teluk Manado (124 47’42.5” BT; 01 30’22.0” LU) dengan menggunakan Metode Lagrangian. Penelitian ini berdasarkan metode deskriptif dengan teknik pengumpulan data menggunakan float tracking dan dilaksanakan selama sebulan.  Pemetaan dan analisis data pola pergerakan arus dilakukan dengan menggunakan perangkat lunak komputasi numerikal.  Hasil penelitian menunjukkan, arus permukaan di sekitar rumpon didominsasi pergerakan dan pola arus ke arah Timur, Utara dan Selatan dipengaruhi oleh pasang surut.
Rekonstruksi bentuk lambung kapal dalam format tiga dimensi (3D) dengan teknik fotogrametri Evander Nelwan; Kawilarang W. A. Masengi; Vivanda O. J. Modaso; Alfred Luasunaung; Johnny Budiman; Fanny Silooy; Revols D. CH. Pamikiran
JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Vol. 9 No. 1 (2024): Januari-Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jitpt.9.1.2024.45751

Abstract

Fishing boat has unique characteristics, such as seaworthiness, maneuvering, boat’s velocity, displacement, fishing gear layout, and catch storage facilities. With increasing development of photographic technology, photography is not merely an art but it has become a field of mathematics, making it a technique that can be integrated with software technology designed to produce digital data objects in the form of 3D images called Photogrammetric technique. This study is to obtain the reconstruction of the boat's hull based on the Photogrammetric software, to determine the effect of photography to obtain a 3D image, and to know the weakness and strength of 3D reconstruction of the boat’s hull. The images in this study were obtained using a POCO F3 smartphone camera integrated with the PIX4Dcatch application and analyzed with Agisoft Metashape Professional (Trial Version). From this research, we concluded that 1) the reconstruction of the boat hull can be obtained by using Photogrammetric techniques in the PIX4Dcatch application followed by the Agisoft Metashape Professional (Trial Ver.) software analysis; 2). With photographic equipment and several data processing software, the boat’s shape could be produced in 3D images, and 3). There are several advantages in reconstructing the ship's hull with the Photogrammetric technique, namely producing the ship's reconstruction of 3D images, obtaining the principal dimensions of the boat, such as the area and volume of the boat, that could be as the basic data for boat resistance and ship stability calculation, and the work could be done by one person only.
Co-Authors Alfred Luasunaung Alfret Luasunaung Demsi Y. Tatanging Evander Nelwan Fanny Silooy Henry J. Kumajas† Johnny Budiman Kawilarang W. A. Masengi Patrice N.I. Kalangi Revols D. CH. Pamikiran