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All Journal International Journal of Electrical and Computer Engineering ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Kelautan Tropis Omni-Akuatika Jurnal Riset Jakarta Jurnal HIDROPILAR Jurnal Chart Datum Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Jurnal Perikanan Geoid - Journal of Geodesy and Geomatics
Setiyadi, Johar
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Physics

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ANALYSIS OF THE QUALITY OF SOUNDING DATA IN RELATION TO THE DIFFERENCES IN SEABED TOPOGRAPHY Lestari , Ria Putri; Pratomo , Danar Guruh; Setiyadi, Johar
GEOID Vol. 5 No. 1 (2009)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Visualizations of seabed surface topography is obtained from such an activity called sounding survey. Points of measurement of the depth are located sounding line and checkline crossing. In the research analysis is carried out on the relationship between the quality of the sounding data and the topography of the seabed, which was divided into five (5) criteria, that is, coral (Cr), coral sand (CrS), mud (M), mud sand (MS), and sand (S).In order to know the sounding data quality, is done by comparing the depth of intersection of the sounding line and the checkline crossing which is then referred to as the analysis point. The position and the depth of this point is found by the linear intepolation method. The result of this research indicate that there are irregularities in the depth of the analysis point, which indicates an error in the measurement accuracy. If viewed from the mistake that occur in the analysis point, the analysis points of the depth profile with the seabed topography of mud sand (MS) has the best accuracy compared to the other profiles. While the analysis poinst in the depth profile of coral (Cr) has the least level of accuracy compared to the others. Thus it can be said that the depth measurement done on mud sand (MS) has the best quality and the depth measurement done on coral (Cr) has the lowest quality.
Drivers of Tidal Flooding and Coastal Vulnerability in the Riau Islands, Indonesia: A Time-Series Analysis (2022-2024) Latifah, Laila; Pranowo, Widodo Setiyo; Mujiasih, Subekti; Ratnawati, Herlina Ika; Hatmaja, Rahaden Bagas; Suhana, Mario Putra; Setiyadi, Johar; Lelalette, Johanis Dominggus; Izzaturrahim, Muh. Hafizh; Ismail, M. Furqon Azis; Syah, Achmad Fachruddin; Ryanto, Fauzan Novan; Setiyono, Heryoso; Helmi, Muhammad
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 3 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.3.425-437

Abstract

The Indonesian Maritime Continent is highly vulnerable to climate variability and change, as exemplified by tidal flooding events in the Riau Islands from 2022 to 2024. This study aimed to analyze the characteristics of sea level dynamics and anomalies associated with tidal flooding (rob) and identify the contributing factors. Data on tidal flooding events were gathered from press and online social media reports, while additional information on significant wave height, ocean currents, and wind was obtained from the CMEMS (Copernicus Marine Environment Monitoring Service) Marine Copernicus archives (marine.copernicus.eu). Observational data from tide gauge stations were also accessed via the IOC sea level monitoring system (ioc-sealevelmonitoring.org). The findings revealed a high probability of tidal flooding during the north wind season, particularly in January and February. Notably, tidal elevations during flooding events reached 3.06 m on January 25, 2023, 3.00 m on February 21, 2023, and 3.09 m on February 12, 2024. These events were driven by a combination of oceanographic and atmospheric factors, including high tidal ranges during spring tides, strong wind speeds averaging 19.04 to 21.43 knots in January–February 2023 and 18.65 knots in February 2024, dominant southward current patterns, and significant wave heights reaching up to 1.08 m. The alignment of the sun, moon, and earth during full and new moon phases amplified gravitational forces, causing elevated sea levels. Furthermore, strong winds during the north wind season contributed to higher wave heights, intensifying flooding impacts. Analysis of current patterns indicates that the highest speeds were recorded during the northern wind season, specifically in January and February, which coincides with the tidal flooding events. The currents predominantly moved southward, aligning with the wind direction during this season. This study reveals oceanographic and atmospheric interactions driving tidal flooding, offering insights for mitigation and adaptation to enhance resilience in vulnerable coastal regions.
Co-Authors Adrianto, Dian Adventari, Tara Aida Sartimbul Ayuningsih, Tarisa Lestari Azhari, Ferian Azhari Azies, Ibnu Abdul Carudin, Carudin Djunarsjah, Eka edy susanto Engki Andri Kisnarti Fatah, Ujang Gathot Winarso, Gathot Hadi P, Nanang Handoko, Dadang Hardianto, Budi Hascaryo, Anom Hatmaja, Rahaden Bagas Hendra Hendra Henry Munandar Manik Herlina Ika Ratnawati, Herlina Ika Heryoso Setiyono I Made Jiwa Astika Ihlas, Ihlas Iwan Santoso, Agus Izzaturrahim, Muh. Hafizh Jantarto, Dwi Jusup Suprijanto Kamija, Kamija Koswara Koswara, Koswara Kurniawan, Endro Sigit Kusuma N, Adhi Kusuma Negara, Adhi Latifah, Laila Lazuardi, Muhammad Nur Riza Lelalette, Johanis Dominggus Lestari , Ria Putri Lufti Ibrahim, Ahmad M. Furqon Azis Ismail Malik, Kurnia Mario Putra Suhana Monang S, Sahat Mudho, Hendrik Trio Muhammad Helmi Muhammad Ramdhan Nurjumanis, Amanda Nurkarya, Yoyok Oktavianto, Eka Arif Prahasta, Eddy Pratomo , Danar Guruh Putra, I Wayan Sumardana Eka Qodar, Muhammad Rahayu, Shafira Primasty Ryanto, Fauzan Novan S Mulyadi, Dikdik Sapto Saputro, Bayu Setiyo, Marman Subekti Mujiasih Sudarman Sudarman Suhadi Suhadi Sukoco, Nawanto Budi Sumardana, I Wayan Eka Sunardi - Sunaryo Sunaryo Trijoko Trijoko Umam, Choirul Umam Wibowo, Nazil Syamtri Wibowo Widodo S Pranowo Zulfikar, Dwi Aji