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All Journal HAYATI Journal of Biosciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Atom Indonesia Journal Jurnal Kesehatan Masyarakat Journal of Marine Research International Journal of Marine and Aquatic Resource Conservation and Co-existence Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Jurnal Kelautan Tropis Jurnal Keselamatan Radiasi dan Lingkungan Jurnal Segara Jurnal Riset dan Rekayasa Kelautan Indonesian Journal of Oceanography Journal of Marine Research
Muslim Muslim
Departemen Oseanografi , Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Journal : ILMU KELAUTAN: Indonesian Journal of Marine Sciences

 1 
90Sr Activity in the High Seas and Coastal Regionsof Korea-Japan-Russia-China Compared with Exponential Decay of 90Sr Global Fallout Muslim Muslim
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 12, No 1 (2007): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (192.141 KB) | DOI: 10.14710/ik.ijms.12.1.39-44

Abstract

Konsentrasi dan aktivitas 90Sr saat radioaktif buatan jatuh secara global di bumi pada tahun 1964 dibandingkan dengan konsentrasi dan aktivitas 90Sr di lepas pantai dan daerah pantai Korea-Japan-Russia-China secara tahunan dari tahun 1964 sampai tahun 2000. Konsentrasi 90Sr menunjukkan penurunan secara terus menurus bahkan jauh di bawah exponential decay, hal ini dikarenakan oleh effektifnya lingkungan terhadap waktu paruh. Dari analisa tersebut disimpulkan bahwa konsentrasi dan aktivitas 90Sr di lepas pantai dan daerah pantai Korea-Japan-Russia-China secara original lebih banyak berasal dari radioaktif buatan yang jatuh secara global dari pada dari sumber hasil buangan lokal.Kata kunci: 90Sr, perairan lepas pantai, daerah pantai, exponential decay, globalConcentration and activity of 90Sr in the high seas and coastal regions of Korea-Japan-Russia-China from theglobal fallout to 2000 were studied. The variation of 90Sr in these study areas decreased continuously from1964 when global fallout radioactive was started to 2000. Suggesting that from 1964 to present the 90Sractivity from any local resources at Korea-Japan-Russia-China doesn’t significant, because the 90Sr activitiesmuch lower compared with the exponential decay, it caused by effective environmental half-lives. In conclusion,the activity of 90Sr in the high seas and coastal regions of Korea-Japan-Russia-China originated entirely fromthe global fallout rather than from any local point sources.Key words: 90Sr, high seas, coastal regions, exponential decay, global fallout 
Potential Radiological Dose of 210Po to Several Marine Organisms in Coastal Area of Coal-Fired Power Plant Tanjung Awar – Awar, Tuban Chairun Annisa Aryanti; Heny Suseno; Muslim Muslim; Wahyu Retno Prihatiningsih; Siti Nurul Aini
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 27, No 1 (2022): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.27.1.73-82

Abstract

NORM (Naturally Occurring Radioactive Material) is a radionuclide element that naturally already exists in the earth. Its concentration can be increased by industrial activities, such as coal-fired power plant (CFPP). Coal-fired power plant activities produce fly ash and bottom ash which will be carried away by the wind and then can enter the CFPP environment, one of which is marine waters and can affect the existence of marine biota. The determination of the radiation dose rate is essential in assessing the risk of radionuclide exposure to the marine environment. This study aims to determine and evaluate the total dose rate of 210Po to marine biota taken from the Karangsari fish market with catchment areas around the waters of CFPP Tanjung Awar – Awar, Tuban, East Java. This research was conducted in April 2021 in the waters of CFPP Tanjung Awar – Awar.  210Po measurement activity was carried out using alpha ray spectrometry at the Marine Radioecology Laboratory of PTKMR-BATAN, then the radiation dose rate was calculated using the ERICA Tool software. The value of the total radiation dose of 210Po on marine biota ranges from 2.70E-1 µGy.hr-1 to 39.70E+0 µGy.hr-1. The radiation dose of 210Po on marine biota measured in the waters of CFPP, has a lower value range than the research result carried out in other countries. Based on the Erica Tools software analysis, the total radiation dose measured on marine organisms in the waters of CFPP Tanjung Awar – Awar, does not give a negatively impact to the marine ecosystems and the sustainability of marine organisms in the study area.
Condition of 137Cs Activity in Karimunjawa Waters and its Distribution When an NPP Jepara is Operated Muslim Muslim; Heny Suseno; Siti Saodah
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 21, No 3 (2016): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (729.653 KB) | DOI: 10.14710/ik.ijms.21.3.143-150

Abstract

Karimunjawa islands are located in the middle of the Java Sea, approximately 83 km northwest of Jepara city. These islands have become an Indonesian marine tourism destination and since 2001 had been designated as a national park. The Indonesian government has chosen Muria peninsula in the district of Jepara, Indonesia as a site for a potential nuclear power plant (NPP). The purpose of this study was to determine the current level of radiocesium (137Cs) activity and forecast its spread if an NPP is operated at Jepara. To determine the distribution of 137Cs in Karimunjawa waters, a sampling of water was done in six stations. Simulation modeling was used to map the distribution of 137Cs should an NPP be constructed in Jepara. The results showed that 137Cs activity in Karimunjawa waters ranges from 0.12 to 0.39 mBq.L-1 with an average of 0.24 mBq.L-1. This value is slightly higher than previous studies in the coastal waters of Gresik, which had an average activity of 0.200 mBq.L-1 because the waters around Karimunjawa have a lower dilution rate than the coastal waters of Gresik. However, these values were considerably lower than those in the waters of Northeast Japan before the Fukushima nuclear power plant accident which registered 137Cs activity at 2-3 mBq.L-1.This indicates that 137Cs in Karimunjawa is not entirely from Fukushima rather from the global fallout. The 137Cs distribution model suggests that after 15 days, a leakage in the Muria Peninsula nuclear plant will not contaminate Karimunjawa waters because the current in the Java Sea is relatively weak and dominant in the westward direction. Thus, when an NPP leak only runs for 15 days, Karimunjawa waters remain safe.Keyword: 137Cs, Karimunjawa, NPP, modeling, Muria Peninsula
239/240Pu Dispersion Modeling for Emergencies During Nuclear Power Plant Operations in Malaysia Muslim Muslim; Sa'iyd Husayn Ahmadi; Jarot Marwoto; Heny Suseno; Yvette Agyiriba Aggrey
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 27, No 3 (2022): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.27.3.215-222

Abstract

The East Coast of Johor in Malaysia is a strategic area as a candidate site for nuclear power plants. Its location is near coastal area and is therefore convenient to use seawater as a source of cooling for power plants. This makes the East Malaysia waters, and their surroundings stand a high risk of direct radioactive contamination, especially in event of an accident. Pu is a non-conservative or reactive radionuclide that easily settles with particles and has high radiotoxicity and radiochemistry, making it very dangerous. The purpose of this study was to determine the distribution patterns of 239/240Pu releases in the waters of East Malaysia and the surrounding waters. To determine the affected areas due to 239/240Pu pollution using MIKE flow flexible mesh module and particle tracking module. The magnitude of 239/240Pu used in this model is based on the disaster in Fukushima Daiichi in 2011. This research can be used as a mitigation of 239/240Pu pollution when a nuclear reactor disaster occurs in the area around Indonesia's territorial border. Discharge of 239/240Pu was simulated during the west and east monsoons season which result in the distribution pattern following the seasonal flow pattern. During the west monsoon, the dispersion speed of 239/240Pu is four times faster than the east monsoon. The 239/240Pu distribution is predominantly towards the south, however, the contaminated area was only occurred on the coast of Johor and does not extend to the waters of Indonesia.
Co-Authors Adhi Prasojo Akhmad Tri Prasetyo Alfi Satriadi Ali Ali Andriana Kartina Wingtyas Anindya Wirasatriya Aris Ismanto Asri Wahyuningsih Azhar Afi Azis Rifai B Budiawan Baskoro Rochaddi Chairun Annisa Aryanti Chairun Annisa Aryanti Denny Nugroho Sugianto Djunaedi Muljawan Dwi Haryo Ismunarti Dwi Haryo Ismunarti Elis Indrayanti F. Rafsani Fannia Wahyu Ramadhanty Gentur Handoyo Ghifari Raihan Silam Siregar H. Suseno H. Suseno H. Suseno Hariyadi Hariyadi Heny Suseno Heny Suseno Heny Suseno Heny Suseno Heryoso Setiyono Jarot Marwoto Kunarso Kunarso Laksmono Widagdo Larosa Nurfikri Gamellia Lilik Maslukah M. Makmur M. N. Yahya M.J. Pratiwi Metrio Swandiko Mohamad Nur Yahya Muh Yusuf Muhammad Alif Achyansyah Muhammad Helmi Muhammad Sababa Alhaq Muhammad Zainuri Murdahayu Makmur Navila Bidasari Alviandini Nugroho Agus D Nuriyati Nuriyati Oceana Windyartanti Osen Faber Romario Tampubolon Petrus Subardjo Purwanto Purwanto Putranto Kondang Wijaya Ratih Indraswari Reza Agung Arjana Rikha Widiaratih Sa'iyd Husayn Ahmadi Siti Nurul Aini Siti Saodah Sri Yulina Wulandari Sugeng Widada Sumi Hudiyono Syafiq Muhammad Aziz Syafrei Adi Iskandar Teguh Agustiadi Trinugroho Trinugroho Tulus Aldrian Siregar Wahyu Retno Prihatiningsih Wahyu Retno Prihatiningsih Wahyu Retno Prihatiningsih Wahyu Retno Prihatiningsih Warsito Atmodjo Yvette Agyiriba Aggrey Zanet Dwi Aprilia