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PEMANFAATAN TEKNOLOGI UNTUK MENINGKATKAN EKONOMI NELAYAN TUNA DI DUSUN TAPI DESA WAKASIHU Waas, Harold J D; Wattimena, Marlin C; Krisye, Krisye; Rahman, Rahman; Saleky, Valentine D
Balobe: Jurnal Pengabdian Masyarakat Vol 2 No 1 (2023): Balobe: Jurnal Pengabdian Masyarakat
Publisher : Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/balobe.2.1.9-16

Abstract

Tuna fishing is one of the main livelihoods of the people of Wakasihu Village, in West Leihitu District. The impact of climate change and other external factors makes it difficult to determine potential tuna fishing areas in the waters. As a solution, the Department of Marine Science, Pattimura University has disseminated information on the Application of Satellite Remote Sensing and Acoustic Technology to Improve Fishermen's Economy. The results of the implementation of the activities were obtained (1) The desire of the tuna fishing community to use both technologies in tuna fishing operations, (2) Formation of a tuna fishing group to facilitate the processing of the KUSUKA Fisherman Card and obtaining assistance from the Marine and Fisheries Agency of Maluku Province, (3) Desire entered into an MoU with the Faculty of Fisheries and Marine Sciences, Pattimura University to solve fisheries problems in Wakasihu Village.
Seasonal Variability of Wind, Surface Current and Sea Surface Temperature in the Eastern Seram Waters During the 2015 Super El Nino Cipta Utama; Simon Tubalawony; Harold Joppie Davido Waas; Ronald Darlly Hukubun; Marlin Chrisye Wattimena
Nekton Vol 5 No 2 (2025): Nekton
Publisher : Politeknik Negeri Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47767/nekton.v5i2.1062

Abstract

The eastern Seram waters are influenced by both the Seram Sea and the Banda Sea. This study aimed to examine variations in wind, surface currents, and sea surface temperature (SST) during 2015, coinciding with the super El Niño event. Data were obtained from the Group for High Resolution Sea Surface Temperature (GHRSST) and the Copernicus Marine Environment Monitoring Service (CMEMS). The results indicated that the monthly average wind speed in this area ranged from 0.01 to 8.98 m/s, with the lowest speed in November and the highest from January and June to September. Surface currents also exhibited seasonal variability, flowing from the Seram Sea to the Banda Sea during the west season (December–January) and reversing eastward in February. During the east season, Banda Sea water masses were supplied by Seram Sea water. Sea surface temperature decreased notably from June to August, with the lowest temperature recorded in August due to upwelling in the Banda and Arafura Seas. Surface currents formed eddies with warm water centers in the northern part of eastern Seram waters, and cold water centers (25,4 °C) were also observed. The convergence of these two water masses with distinct characteristics generated thermal fronts with temperature differences, resulting in strong temperature gradients from August to October as a consequence of upwelling and cooling induced by the intense El Niño at the end of 2015.