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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis DEDIKASI JURNAL MAHASISWA AGRIVITA, Journal of Agricultural Science Jurnal Tekun Oasis : Jurnal Ilmiah Kajian Islam Visionist Nyimak: Journal of Communication Jurnal Komputer Terapan KOMPUTIKA - Jurnal Sistem Komputer Folium : Jurnal Ilmu Pertanian Jurnal Ilmiah LISKI (Lingkar Studi Komunikasi) JURNAL ILMIAH MIMBAR DEMOKRASI International Journal of Economics, Business and Accounting Research (IJEBAR) Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal) Al-Fath Akrab Juara : Jurnal Ilmu-ilmu Sosial Khidmatuna : Jurnal Pengabdian Kepada Masyarakat El-Qish: Journal of Islamic Economics EKONOMIKA45 Ijtimā`iyya: Journal of Muslim Society Research Jurnal Penelitian Agama Jurnal Riset Jurnalistik dan Media Digital Economic Reviews Journal AGRONISMA Jurnal Magister Ekonomi Syariah al-Balagh : Jurnal Dakwah dan Komunikasi Jurnal Kompetitif : Media Informasi Ekonomi Pembangunan, Manajemen dan Akuntansi Journal of ICT, Design, Engineering and Technological Science Lisanul Arab: Journal of Arabic Learning and Teaching
Abdul Basit
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Journal : Jurnal Ilmu dan Teknologi Kelautan Tropis

 1 
WATER MASSCHARACTERISTICS OFWEDA BAY,HALMAHERA ISLAND, NORTH MALUKU Abdul Basit; M.R. Putri
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 2 (2013): 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 (812.829 KB) | DOI: 10.29244/jitkt.v5i2.7565

Abstract

The water quality parameters at 23 observation points in Weda Bay were collected using the Sea-Bird's Conductivity Temperature and Depth (CTD) 911 and Dissolved Oxygen (DO) meter ARO-USB 66 during Weda Expedition in 13 – 23 March 2013 (transition monsoon) with research vessel Baruna Jaya VII. The main goal of this research was to identify characteristics of water masses in Weda Bay. The results showed that the thickness of mixed layer in Weda Bay was about 40 m with the average levels of temperature, salinity, and oxygen at about 29.2 °C, 34.0, and 7.0 mg/L, respectively. Within thermocline layers, it was observed that there was the water type of Southern Subtropical Lower Water (SSLW) identified by the presence of salinity maximum above 35.0 occupied between 25.7 and 24.5 sigma-theta (16,2 °C < < 20,5 °C). Furthermore, there were oxygen homogenous layers at 5.1 mg/L situated at between 26 and 24.7 sigma-theta (15°C < < 20°C). In addition, oxygen inversion was found at 0.15 mg/L in the layer of between 26.8 and 26.0 sigma-theta (10°C < < 15°C). In the intermediate layer (>500 m), the temperature and salinity tended to be constant at 7.8 °C and 34.7, controlled by the sill separating Halmahera sea and Western North Pacific Ocean (WNPO). These water mass characteristics revealed the strong influences from WNPO to Weda Bay. The water, driven by Indonesian throughflow (ITF), flowed into Halmahera Sea before turned into Weda Bay.Keywords: temperature, salinity, oxygen, SSLW, Weda bay
SEDIMENT DISTRIBUTION BASED ON GRAIN SIZE ANALYSES IN WEDA BAY, NORTHERN MALUKU Septriono Hari Nugroho; Abdul Basit
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 6 No. 1 (2014): Electronik 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 (503.766 KB) | DOI: 10.29244/jitkt.v6i1.8644

Abstract

An integrated study of sediment distribution was conducted in Weda Bay, Northern Maluku to provide general information on transportation and deposition process based on sediment grain size distribution. The study was conducted during the Weda Bay Expedition using the “Baruna Jaya VII” research vessel in March 13th –22th 2013. Sieving method (granulometric) was used to analyze the grain size. The results indicated that in general the pattern of sea floor sediment distribution was dominated by clay – sand grain-sized. The current speed influenced the sediment transport, deposition, and distribution.  Larger fractions of sediment were quickly settled on the sea floor due to stronger currents around Southern area (Widi islands), meanwhile the lesser fractions of the transported away into other places with weaker currents conditions. Keywords: current, the Weda Bay expedition, granulometric, grain size, sediment distribution
Co-Authors AA Sudharmawan, AA Abd. Rasyid Syamsuri Agus Sugianto Agus Wahyudi Ahmad Irfan Aufa Rizka Azzumi burhanudin firdaus Eliya Hakiki Nur Sugini Fathudin Fathudin Fuad Nawawi Guntur Dwi Purwanto Hafidz Taufiqurrahman I Putu Septian Adi Prayuda Indah Nurazizah Indiyah Murwani kholid syarifuddin hadun M.R. Putri Mahayu Woro Lestari Mahfudiansyah Miftahur Rahman Miswanto Miswanto Mohammad Ulyan Muhamad Sayuti muhammad amal firdaus Muhyani, Muhyani Nilna Iqbal Libra ninda firdausi Noor un Nisa Nurhidayati Nurhidayati Nurhidayati Nurhidayati nurul fakhriyah nurul khotimah oktavia maulani Oliver William Knight Putra, Pandika Adi Rais Reza Arviciena Sakti Ricko Aulia Hudaya Sahar saiful arif zain Samodra, Vegalyra Novantini Septian Adi Prayuda Septriono Hari Nugroho SITI MUSLIKAH Sugiarto Sugiarto Sunawan Sunawan Suryanto, Wiwit Tamam, Mukhammad Khoiru Titin Windiasari Tri Herni Rahmawati Ummah Karimah Very Kurnia Bakti, Very Kurnia W Wirawan Yonhendri Yonhendri Yono Yono Yudhi Kurniawan Zahari