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Helfinalis Helfinalis

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Author-ID : 2890555

Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Library & Information Science Other

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MARINE SEDIMENT CHARACTERISTICS AT KARIMUN JAVA SEA BASED ON STRATIGRAPHIC PROFILE ANALYSIS, TOTAL SUSPENDED SOLID (TSS) AND GRAIN-SIZE ANALYSIS (GRANULOMETRY) Suryantini Suryantini; Aris Ismanto; Indarta Kuncoro Aji; Dwi Fajar Saputri; Helfinalis Helfinalis
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 3 No. 1 (2011): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

A sedimentology survey was conducted during “Pelayaran Kebangsaan” research activities with a marine vessel of "Baruna Jaya VIII" in Karimun Java Sea. The objectives of the research were to determine the characteristics of marine water and its sediment, which are important control for coral reef growth in the study area. The survey acquired samples of Total Suspended Sediment (TSS) and gravity coring. Several analyses were then carried out on those samples; TSS analysis to determine the amount of suspended sediments in sea water that reflect the water quality for marine ecology, stratigraphic profile and sediment thickness pattern analyses to determine the sources of sediment, and grain-size analysis based on granulometry to determine deposition energy and grain-size distribution in the area. Those analyses were both conducted on-board Baruna Jaya VIII research vessel and P2O LIPI laboratory in Jakarta. The results showed that in Java Sea nearby Karimun Java Islands, the sediment supply came from the surrounding islands. Two sedimentary units were found in this area. The first units has thickness of tens centimeter from sea bed surface. It is characterized by grayish green color, grain size variation from clay to coarse sand, soft or low density and abundance with shells. The second unit is located beneath the first one, indicated by sharp contact. It is characterized by brownish color, higher density resembling the density of rock, less compacted and can be broken easily by hand, with occasionally thin carbon lenses or remnant of decomposed vegetation, and less shell or fossil At sea surface, TSS distribution shows value between 0.018 and 0.034 gr/l, with average of 0.025 gr/l, whereas at near bottom sea, it ranges between 0.024 and 0.030 gr/l, with average value of 0.027 gr/l. The granulometry shows that more than 50% of sediment is characterized by the abundance of grain size greater than 3 phi. It suggest that sea water around Karimun Java Islands was clear and the current was relatively calm. These conditions were relatively stable for a long time span. Those sea characteristics were important for successful growth of coral reefs and its complementary marine biotas. However, further studies and researches based on chemical and physical characteristics of sea water, and plankton and microbiology variation and abundances are necessary to confirm those presuppositions.Keywords: total suspended solid, gravity coring, stratigraphic profile, granulometry, Karimun Java Sea

Padatan Tersuspensi Total di Perairan Pulau Kabaena, Muna dan Buton Helfinalis Helfinalis
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 13, No 2 (2008): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Kandungan padatan tersuspensi total di Pulau Kabaena, Muna dan Buton telah ditelitipadabulan April 2006 yang mewakili musim peralihan I dengan menggunakan Kapal Riset BarunaJaya VII. Perairan ini dipilih karena mempunyai sumber daya perikanan laut yang bemllai ekonomis. Air laut di pemnukaan dan pada kedalaman JO, 25, 50, 100, 150, 200 dan 300 m diambil dengan menggunakan botol niskin. Sampling dilakukan di 34, 10, 11, 3, 4, 6, 3 dan 9 stasiun masing-masing pada permukaan, dan kedalaman 10, 25, 50, 100, 150, 200 dan 300 m. Hasil penelitian menunjukan sebaran nilai total suspended solid secara keseluruhan masih lebih kecil dariperairan sekitar Provinsi Sulawesi Selatan serta nilai toleransi baku mutuyang telah ditetapkan oleh Kementerian Lingkungan Hidup. Nilai total suspended solid yang lebih rendah ini sangat bemnanfaat bag/' biota laut yang berada di sekitar perairan yang diteliti.Kata kunci: Total suspended solid, Kabaena, Muna, Buton

SEDIMEN DAN MANFAATNYA Helfinalis Helfinalis
OSEANA Vol 43 No 1 (2018)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2018.Vol.43No.1.11

SEDIMENT AND ITS BENEFITS. Sediment deposition is a form of compact material that accumulates on the surface or near the surface of the earth, under conditions of low pressure and temperature. Sediment is generally a product of old rock destruction which is transported and distributed by water or wind currents. Sediments are the result of chemical or biochemical precipitation of the solution. Learning the distribution of sediment on the seabed is desperately needed and very useful, for the initial phase to lay the wire and pipe lines on the sea, consider topography of sea (bathimetry), sedimentary texture and ocean currents. Clays are considered unfavorable for the laying of construction pole as a result of clay having a high volume change potential. Clay will undergo expansion when water increases and shrinkage occurs when the water content is less. Rock sediments of sand and limestone are useful for building materials.

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