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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis JGE (Jurnal Geofisika Eksplorasi) Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) OLDI (Oseanologi dan Limnologi di Indonesia) Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan OSEANA Bulletin of Geology Jurnal Geosaintek
Septriono Hari Nugroho
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Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Library & Information Science Other

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Journal : OSEANA

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KARAKTERISTIK UMUM DIATOM DAN APLIKASINYA PADA BIDANG GEOSAINS Septriono Hari Nugroho
OSEANA Vol 44 No 1 (2019)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2019.Vol.44No.1.32

Abstract

AN OVERVIEW OF DIATOM AND ITS APPLICATIONS ON THE GEOSCIENCE AREA. Diatoms have been being studied in many countries. Diatoms provide a valuable and well-understood means on biomonitoring – one of which is focused on the base of the aquatic foodweb and highly representative of water quality. They are found in most aquatic environments and the sys tematic and taxonomic investigations of modern and fossil diatoms have been supported by numerous stud ies of distributional ecology. Diatom systematics, taxonomy and ecology indeed offer a wide scope of applications - from water quality to environmental monitoring and biostratigraphy as well as on geoscience area. The application of diatom analysis in determining whether drowning was the cause of death has proven to be a valuable tool in forensic science. Furthermore, diatoms can provide a record of environmental conditions because their relationship to water quality and aquatic habitat has been already known, and the diatom cell wall, which is silicified to form a frustule, is well-preserved, easily detectable and occurs in high numbers in sediment and water. However, this should not be limited to simply make an inventory of data: thoughtful ecology and paleo-ecology will assist in predicting the environmental impact of pollution and climate changes.
SEDIMEN LAUT SEBAGAI PROXY DALAM MENENTUKAN DINAMIKA IKLIM DI MASA LAMPAU Septriono Hari Nugroho
OSEANA Vol 43 No 3 (2018)
Publisher : Pusat Penelitian Oseanografi LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oseana.2018.Vol.43No.3.58

Abstract

MARINE SEDIMENT AS PROXY TO DETERMINE CLIMATE DYNAMICS IN THE PAST. Studying the dynamics of climate change in the past is important and necessary, because it can serve as a basis for understanding the modern climate and the causes of its variations and changes. Evidence of past climatic conditions is usually archived on traces in nature that provide a proxy of past climatic conditions that we can explore. One of the major sources of proxy data for paleoclimate reconstruction is marine sediment. Microfossils usually used for quantitative proxy is foraminifer, diatom, pollen and etc. For the purposes of paleoclimate, the most important material is foraminifera. The paleoclimate results from the remains of carbonate and silica organisms have been generated from four types of analyzes: (a) oxygen isotope composition, especially calcium carbonate in foraminifer test (b) quantitative interpretation of species and its spatial variation through (c) the ratio of Mg / Ca to the foram test, which is related to temperature, and (d) the morphological variation in certain species resulting from environmental factors.
Co-Authors Abdul Basit Ardi, Ryan Dwi Wahyu Aswan Aswan Cut Novianti Rachmi, Cut Novianti Damanik, Adrianus Dasapta Erwin Irawan, Dasapta Erwin Defny Holidin EKO YULIANTO Galih Kusumah, Galih Hendy Irawan, Hendy Juneman Abraham Keukeu Kaniawati Rosada Kustiati Kustiati Maryunani, Khoiril Anwar Moch Tanzil Multazam Nurhazman Abdul Aziz, Nurhazman Abdul Nurhidayah, Efrilia Mahdilah Pamungkas, Ageng Digdya Garin Purna Sulastya Putra, Purna Sulastya Puteri, Winda Eka Mandiri