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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis
Agus Setiawan
Pusat Riset Kelautan, Badan Riset dan Sumberdaya Manusia Kelautan dan Perikanan, KKP
Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Library & Information Science

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VARIATION OF VOLUME TRANSPORT AND VARIABILITY OF CURRENT IN KARIMATA AND GASPAR STRAITS DURING 2010-2014 BASED ON NUMERICAL MODELING Iwan P. Anwar; Mutiara R. Putri; Agus Setiawan
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 9 No. 2 (2017): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.843 KB) | DOI: 10.29244/jitkt.v9i2.19309

Abstract

Karimata Strait located between Kalimantan and Bangka Islands, while Gaspar Strait located between Bangka and Belitung Islands. Volume transport variations through Karimata and Gaspar Straits during 2010-2014 were studied using three-dimensional numerical model of HAMburg Shelf Ocean Model (HAMSOM). Simulated area is located in 1°0′0′′N - 4°30′0′′N and 104°0′15′′E - 110°30′0′′E with a horizontal resolution of 0.5′ (about 0.94 km). The correlations value of current velocity from model with observation is quite high i.e. 0.85 for zonal component (u) and 0.89 for meridional (v) with 95% of significance level. The results of signal analysis showed that the volume transport is strongly influenced by the seasonal period. In addition to seasonal wind, there was also weak and medium phase of El Niño and La Niña during 2010 - 2014 that affected volume transport. The average volume transport from 2010-2014 through Karimata and Gaspar Straits are -2.75 Sv and -1.98 Sv, respectively (1 Sv = 106 m3/s). The negative value shows the southward volume transport, while positive to north. Total transport to south indicates that there are may be due to parts of Indonesia Through Flow (ITF) flow through South China Sea, Karimata Strait, and Gaspar Strait to the Java Sea.Keywords: volume transport, Karimata Strait, Gaspar Strait
Co-Authors Iwan P. Anwar Mutiara R. Putri