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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Biodjati Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan Aceh International Journal of Science and Technology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan JURNAL REKAYASA KIMIA & LINGKUNGAN
Syahrul Purnawan
Jurusan Ilmu Kelautan, FKP, Universitas Syiah Kuala, Banda aceh
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Library & Information Science

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The influences of the Indian Ocean Dipole (IOD) on rainfall in South Aceh Permatasari, Ratna; Ilhamsyah, Yopi; Purnawan, Syahrul; Setiawan, Ichsan; Ramadhaniaty, Mutia; Sutarni, Sutarni; Pristiwantoro, Eko Cahyo
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.25984

Abstract

This study aimed to examine the influences of the Indian Ocean Dipole (IOD) on rainfall in three districts in South Aceh. The analysis was undertaken using Dipole Mode Index (DMI) data and five years of rainfall (2016 to 2020) in West Labuhan Haji, Tapak Tuan, and Bakongan areas. This research employed a correlation analysis and the Principal Component Analysis, followed by Cluster Analysis to investigate the relationship between IOD and rainfall at the study location. The negative IOD occurred in 2016, and the positive IOD occurred in 2017, 2018, 2019, and 2020. The strongest positive DMI was in October 2019 (1.123C), while the strongest negative DMI was in July 2016 (0.661C). Generally, the sub-districts of West Labuhan Haji, Tapak Tuan, and Bakongan always have high rainfall. The highest rainfall in West Labuhan Haji was recorded in January 2017 (1014 mm/month), in Tapak Tuan in November 2017 (1073 mm/month), and in Bakongan in July 2020 (605 mm/month). The correlation between DMI and rainfall in the three locations shows different findings. Although it was very small, the IOD affected the rainfall in West Labuhan Haji, Tapak Tuan, and Bakongan. In West Labuhan Haji, the highest correlation was in lag 1 (0.188); in Tapak Tuan, the highest correlation was in lag 2 (0.156), while in Bakongan, the highest correlation was in lag 2 (-0.191). The correlations in these three locations are considered weak. Thus, the IOD is not the main factor affecting the rainfall in West Labuhan Haji, Tapak Tuan, and Bakongan. As South Aceh is located in windward, the orographic effect may influence high rainfall in this region.Keywords:DMIRainfallPrincipal component AnalysisWest Labuhan HajiTapak TuanBakongan
Prevalence and abundance of coral disease in Aceh Besar regency Aceh, Indonesia Ulfah, Maria; Turnip, Iqbal Nindo; Octavina, Chitra; Dewiyanti, Irma; Purnawan, Syahrul
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.26593

Abstract

The aims of this research was to knew the prevalence, abundance and types of coral diseases detected in Peukan Bada Aceh Besar Regency. Method used in this research was a 20x2m belt transect with 3 replicates. Results show that the prevalence value was between 27,94% 58,25%. The value was quite higher if compared with other prevalence on some place in indonesia. Average value of coral disease abundance in this research was 0,23 ind/m2. There was 13 types of coral disease found during sampling, including Fish Bite, Drupella Predation, Acanthaster planci Predation, White Syndrome, Ulcerative White Spot, Focal Bleaching, Non-Focal Bleaching, Invertebrate Galls, Sponge Overgrowth, Cyanobacteria, Pigmentation Response, Sedimentation Damage, Algae Overgrowth. The most infected coral genus was Acropora with branching growth form.Keywords:AbundanceConditionCoral diseasePrevalence
Condition of coral reef in Batee Island waters, Peukan Bada Sub-District, Aceh Besar Ulfah, Maria; Mahlil, Saiful; Nasir, Muhammad; El Rahimi, Sayyid Afdhal; Purnawan, Syahrul; Fazillah, Muhammad Rizki
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.2.19995

Abstract

Batee Island is one of the small islands in the Aceh Besar region and is uninhabited and directly faces the Indian Ocean. Batee Island's waters have the potential for marine biota, especially coral reef ecosystems, and other associated biotas. This study aims to determine the percentage and comparison of live coral cover in Batee Island waters and determine the genus' composition in Batee Island waters. This research was conducted in October-November 2016. Collecting coral reef data using the LIT (Line Intercept Transect) method. The results showed that the live coral cover in Batee Island's waters differed between the East and West Batee Islands. The coral reefs' average condition in Batee Island waters at shallow depths (0-5m) is 41.41%, and deep (6-10m) is 36.52%. Overall, the conditions and live coral cover in the waters of Batee Island are classified as moderate. In the waters of Batee Island, there are 31 coral genera. The highest percentage of corals was the genus Acropora (50.02%).Keywords:Batee IslandConditionCoral reefCoral cover
Particle tracking simulation of marine debris using Lagrangian discrete and mesh spatial discretization in Banda Aceh waters Ondara, Koko; Rahmawan, Guntur Adhi; Purnawan, Syahrul
Depik Vol 10, No 1 (2021): April 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.1.18722

Abstract

Ocean dynamics has a direct impact on the distribution of objects or dissolved particles such as marine debris. Hydrodynamic studies are currently an important tool to identify the potential pollution in the region. Data were collected from March to September 2019 in the northern waters of Banda Aceh. Wind data were obtained using AWS and bathymetry data were collected using the single beam echosounder. The results showed that the wind direction on the coast of Banda Aceh City was dominant towards the Northwest and Northeast with a maximum speed of 9 m/s. Wind direction will highly influence the sea surface currents dynamics that lead to longshore currents and radiation currents occur in coastal areas.Keywords:Marine debrisWasteFishery
Co-Authors Agus Atmadipoera Azizah Azizah Chitra Octavina Dani, Anggun Arwulan El Rahimi, Sayyid Afdhal Elson, La Faaris, Said M Fahal, Elzein Muhammed Fazillah, M. Rizki Fazillah, Muhammad Rizki Guntur Adhi Rahmawan, Guntur Adhi Hasibuan, David Chalik Hawari, Aqil Henry Munandar Manik Hestirianoto, Totok Husal, Siddiq Husaini Ichsan Setiawan Irma Dewiyanti Kang, Myounghee Khairul Amri Koko Ondara, Koko Mahlil, Saiful Manik, Agustina Sartika Maria Ulfah Marwantim M Muhammad Nasir Muhammad Zaki Perdana, Adli Waliul Permatasari, Ratna Prasetiawan, Agung Pristiwantoro, Eko Cahyo Putra, Dedi Fazriansyah Ramadhaniaty, Mutia Sofyatuddin Karina Sri Agustina, Sri Subqi, Muhammad Redha Sutarni, Sutarni Syahrin, Win Alfi Turnip, Iqbal Nindo Ulung Jantama Wisha Yopi Ilhamsyah Yuni, Syarifah Meurah Zulkarnain Jalil