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INDONESIA
Jurnal Hidrosfir Indonesia
Published by Badan Pengkajian dan Penerapan Teknologi
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Articles 3 Documents
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Search results for , issue " Vol 2, No 2 (2007)" : 3 Documents clear
Kondisi Hidro-Oseanografi dan Sumberdaya Perikanan Perairan Kepulauan Seribu Sachoemar, Suhendar I.; Amarullah, M. Husni; Aliah, Ratu Siti
Jurnal Hidrosfir Indonesia Vol 2, No 2 (2007)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

An evaluation of the hydro-oceanography characteristics and fisheries resources was conducted in the Seribu Island area, an offshore area of the Jakarta Bay. The area was influenced by monsoonal system that affected the oceanography and water quality situation. The bathymetry within this area was a range of 3 – 50 m with shallow water depth in and surround the islands. While the wave, current speed and tidal range were around 0,5-3,0 m; 5-49 cm/sec and 80 cm, respectively. Water quality status was varied among the area and it is depend on the distance from Jakarta Bay. In the middle and upper part of the area, water quality was within the moderate to the excellent and this condition has promoted the area as potential area of fisheries for both fish culture and fishing. As indication, an abundance of the benthic organism (sea urchin), milk fish, reef fish, seaweed and pelagic fish was found within this area. Keywords: Hydro-oceanography, fisheries resources, Kepulauan Seribu 
Pola Arus di Perairan Teluk Hurun Lampung Selatan Riyadi, Agung
Jurnal Hidrosfir Indonesia Vol 2, No 2 (2007)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

We observed the current data in Hurun Bay, South Lampung Sumatra Hurun Bay is a small semi enclosed bay with areas up to 1.5 km2 and has four mouth river. Measuremet field around one year from Januari 2003 until Januari 2004. The two current sensor located at central of the bay and the sensor take a depth about four (4) and twelve (12) meter from surface.The continous current record indicated that the current in Hurun Bay relative small. The current velocity at June is higher and have a average value 3.98 cm/second at 4 meter and 3.94 cm/second at 12 meter from surface and commonly current velocity in bay under 50 cm/second. Keywords: pattern flow, teluk hurun, current velocity 
Pengenalan Data Oseanografi Setiawan, Agus
Jurnal Hidrosfir Indonesia Vol 2, No 2 (2007)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Data, in general, can be classified into primary and secondary data. Primary data can be defined as information that has been collected at first hand, while secondary data usually refer to the information that has been collected by another people or agency. In oceanography, based on its branch, data can be divided into physical oceanography data, chemical oceanography data, marine biology data, and marine geology data. In south east Asia, observations of marine biology and physical oceanography parameters have been performed since 17th century (during the colonial period). One of the most important expeditions that give valuable contribution during this period is Snellius expedition (1929-1930). Since 1914, a comprehensive study has been conducted by Dutch Laboratorium for Zeeondersoek in the Indonesian waters such as Java Sea, South China Sea, and Malaka Strait (1914-1919) and Java Sea (1939-1941). During 1956-1957, the first Indonesian research vessel R/ V Samudera did measurements at 100 oceanographic stations from eastern part of the Indonesian waters until seawaters in the southern Java and Sunda shelf. Some of the data have been collected during those period then used by Wyrtki (at that time he was a director of Marine Science Institute Jakarta) to make monthly current circulation maps and to study current circulation pattern in the south east Asia.Keywords: Oceanography, data

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