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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

Muslim Muslim

Departemen Oseanografi , Fakultas Perikanan Dan Ilmu Kelautan, Universitas Diponegoro

Author-ID : 2617947

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

Published : 32 Documents Claim Missing Document

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Present Status of Marine Radioecology in Jakarta Bay H. Suseno; B Budiawan; M Muslim; M. Makmur; M. N. Yahya
Atom Indonesia Vol 44, No 2 (2018): August 2018
Publisher : PPIKSN-BATAN

Operation of nuclear facilities such as research reactor and it’s supporting installation in Serpong Nuclear Area may release controlled radionuclides to Cisadane River and then it would flow to Jakarta Bay. There are limited marine radioecology studies or radionuclides monitoring at Jakarta Bay. Therefore monitoring of 239/240Pu and 137Cs was carried out from Tanjung Pasir to Tanjung Kerawang. The ERICA Assessment Tool was used to evaluate radiological risk in the marine environment of Jakarta Bay area. The 137Cs concentration in sea water and sea sediments were in range of 0.17 – 1.17 Bq.m-3 and 0.34 – 1.21 Bq.kg-1, respectively. Moreover, result of 239/240Pu measurement showed that concentration at sea water and sea sediment were range from < MDA – 0.53 mBq.m-3 and 2.64 – 55.70 mBq.kg-1 respectively. The results of risk analysis were indicated that all the total dose rates per organism were millions time lower than the screening rate (10 mGy.h-1).

Behavior of 137Cs Activity in the Sayung Waters, Demak, Indonesia M Muslim; H. Suseno; M.J. Pratiwi
Atom Indonesia Vol 43, No 1 (2017): April 2017
Publisher : PPIKSN-BATAN

The behavior of anthropogenic radionuclide 137Cs in the water and sediment has been examined with regard to particle size, organic sediment, and other physical conditions in the Sayung estuarine waters of Demak. Previously, this estuary was used as shrimp culture brackish water ponds that were affected by serious erosion and intrusion. Furthermore, this regency rapidly industrialized over the last three decades. The activities of 137Cs in the six stations in water and sediment were in the 0.0116-0.4509 mBq/L and 0.3747-1.2442 Bq/kg ranges with mean activities of 0.2278 mBq/L and 0.8594 Bq/kg, respectively, depending on the prevailing physicochemical regime at the sampling station. The highest activities of aqueous 137Cs occurred in station 2 but the highest in sediment occurred in station 6 located closed to the main land of Sayung. Fast current effectively diluted 137Cs as a conservative radionuclide in seawater, thus the activity of 137Cs in seawater decreased when the current speed increased. This effect was caused in part by industrial pollutants that adsorbed 137Cs and precipitated onto the surface sediment. Organic matters and clay materials in sediment were not significantly effective at binding 137Cs in Sayung waters in the industrial coastal area, but the correlation increased in open areas separated by a breakwater (second group stations) and the location further from the beach or in open sea. This indicates that industrial pollutants are more effective at binding 137Cs than organic matters and clay materials. Fine grain size sediment is also more ineffective at binding 137Cs; it may be caused by the sediment's high total organic matter content.Received: 25 April 2016; Revised: 27 October 2016; Accepted: 8 November 2016

Aktivitas Cesium (137Cs) Di Perairan Hutan Mangrove Karangsong, Kabupaten Indramayu Muslim Muslim; Wahyu Retno Prihatiningsih; Adhi Prasojo; Jarot Marwoto; Purwanto Purwanto
Jurnal Kelautan Tropis Vol 22, No 1 (2019): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

The mangrove forest in Karangsong-Indramayu has been selected as a central mangrove forest for western Indonesia, in addition to a marine ecotourism destination. This condition with more visitors stimulates increase in organic carbon content in this water, which has the ability to bind to polluting elements, such as heavy metals and radionuclides. The purpose of this study is to understand the factors that effect 137Cs levels activities in Karangsong waters of Indramayu. To understand which factors effect 137Cs levels, we collected water quality which has the ability to bind to polluting elements data including temperature, salinity, DO, pH, depth and current speed. The result showed that the 137Cs activities ranged 0.07-1.01 mBq/L with an average of 0.589 mBq/L. This value is higher than 137Cs activities in ITF (Indonesian Through Flow) which had value 0.274 mBq/L. The higher 137Cs activities in Karangsong waters were caused by the presence of mangrove forest that effect the high levels of organic carbon rather than water quality that show relative homogeny in all stations.Perairan pantai Karangsong, Kabupaten Indramayu telah dijadikan sebagai pusat mangrove di bagian barat Indonesia, disamping sebagai eko wisata bahari. Kondisi tersebut tentunya akan meningkatkan kandungan karbon organik di perairan tersebut yang mempunyai kemampuan kuat untuk mengikat unsur-unsur pencemar seperti logam berat dan radionuklida. Tujuan penelitian ini ingin mengetahui tingkat aktivitas 137Cs di perairan Karangsong, Indramayu. Untuk mengetahui faktor-faktor yang mempengaruhi tingkat aktivitas 137Cs di perairan Karangsong, maka dianalisa beberapa parameter kualitas air seperti suhu, salinitas, DO, pH, kedalaman dan kecepatan arus. Hasil analisa menunjukkan aktivitas 137Cs adalah 0,07-1,01 mBq/L, dengan nilai rata-rata 0,589 mBq/L. Nilai tersebut lebih tinggi dari nilai 137Cs di ARLINDO (Arus Lintas Indonesia) yang nilai rata-ratanya 0,274 mBq/L. Tingginya aktivitas 137Cs tersebut lebih dipengaruhi dari adanya hutan mangrove yang menyebabkan tingginya bahan karbon organik dari pada pengaruh kualitas perairan yang relatif seragam.

Sebaran Aktivitas Radionuklida Alam dalam Sedimen di Perairan Sluke Rembang, Jawa Tengah Jarot Marwoto; Muslim Muslim; Zanet Dwi Aprilia; Purwanto Purwanto; Murdahayu Makmur
Jurnal Kelautan Tropis Vol 22, No 2 (2019): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

The existence of natural radionuclides has been around since the earth was formed. Steam Power Plant in Sluke Rembang is operated by coal fuel that produces some natural radionuclides that release as a gas through the chimney to atmosphere. These radionuclides fall on the land and sea. The purpose of this study was to know the activity of gamma-emitting natural radionuclides in sediments and its distribution in the Sluke waters of Rembang. The result showed that activity of 40K, 212Pb, 226Ra dan 228Ac appeared fluctuating with a range from 160.54-503.87 Bq/kg; 88.62-333.34 Bq/kg; 66.07-95.24 Bq/kg and 95.30-466.46 Bq/kg respectively. The distribution of natural radionuclides was affected by topography, resources and the movement patterns of currents that move from the source of radionuclides to the northeast. The data obtained in this study will serve as baseline data in natural radionuclide in Sluke, Rembang. Keberadaan radionuklida alam sudah ada sejak bumi terbentuk. Pusat Listrik Tenaga Uap (PLTU) di Sluke Rembang dioperasikan dengan bahan bakar batu bara yang menghasilkan beberapa radionuklida alam dalam bentuk gas yang dilepaskan melalui cerobong asap ke atmosfir. Radionuklida tersebut akhirnya jatuh di darat dan di perairan laut. Penelitian ini bertujuan untuk mengetahui aktivitas radionuklida alam dalam sedimen dan distribusinya di perairan Sluke, Rembang. Hasil penelitian menunjukkan nilai aktivitas radionuklida alam 40K, 212Pb, 226Ra dan 228Ac berfluktuasi, secara berturut-turut adalah dari 160,54-503,87 Bq/kg; 88,62-333,34 Bq/kg; 66,07-95,24 Bq/kg dan 95,30-466,46 Bq/kg. Distribusi aktivitasnya dipengaruhi oleh topografi, sumber dan pergerakan pola arus yang bergerak dari sumber radionuklida menuju ke timur laut. Hasil penelitian ini dapat digunakan sebagai baseline unsur radionuklida alam (NORM) di Sluke Rembang.

Modeling on 137Cs Radioactive Dispersion in Gosong Coast as The Candidate Location for Nuclear Power Plant Akhmad Tri Prasetyo; Muslim Muslim; Heny Suseno
Jurnal Kelautan Tropis Vol 24, No 3 (2021): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v24i3.11058

The study of radioactive dispersion in the ocean should be conducted to prepare the construction of nuclear power plant (NPP) in Gosong Coast, West Kalimantan. This study estimated the distribution of 137Cs radioactive from various scenarios of radioactive waste dumping if nuclear emergency is occurred during NPP’s operation. These scenarios were distinguished based on their volume discharges of radioactive waste into the ocean, included 10 m3 (Scenario I), 50 m3 (Scenario II), and 100 m3 (Scenario III). Model dispersions were constructed for 15 days by Delft3D-Flow module. The simulation showed that ocean current directions were not significantly different among spring and neap tide, instead the ocean current during the spring period dominantly increased rather than neap period. Ocean currents at Gosong Coast flowed parallel to the shoreline towards Singkawang Coastal Area during ebb tide. Meanwhile, during flood tide, ocean currents at Gosong Coast flowed offshore through Burung Archipelagic. The dispersed model showed the distribution of 137Cs radioactive for 15 days reaching to coastal areas of Burung Archipelagic, Singkawang, and Southern Sambas Coast. Each scenario of the disposal system did not influence the marine pollution of the West Kalimantan Sea.

Pengaruh Padatan Tersuspensi terhadap Konsentrasi Klorofil-a dan Fosfat Inorganik Terlarut di Muara Banjir Kanal Barat, Semarang Jarot Marwoto; Oceana Windyartanti; Muslim Muslim
Jurnal Kelautan Tropis Vol 24, No 2 (2021): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v24i2.10703

The large number of activities along the West Banjir Kanal river has triggered a change in the condition of its sea waters. The condition most affected is turbidity which caused high concentration of Total Suspended Solid (TSS) in estuary waters and interfere with the entry of sunlight into the waters. The purpose of the study is to determine the effect of the of concentration TSS on the concentration chlorophyll a and dissolved inorganic phosphate (DIP) in the waters of West Banjir Kanal estuary. Water sampling was conducted on October 3, 2019. Water quality parameters such as brightness, pH, temperature, DO and salinity were measured in situ. Meanwhile, chlorophyll a, TSS and DIP measurements were analyzed in the laboratory. The results showed that the highest concentration of TSS, chlorophyll a and DIP were in the estuary area and decreased with further distance from the river mouth with concentration were 70.17-151.50 mg/L, 0.03–2.67 µg/L and 0.71–0.98 µM respectively. Based on the results of the Principal Component Analysis (PCA) showed that TSS affected chlorophyll a by 8.7% (r=0.392; p<0.05) and DIP by 54.46% (r=0.931; p<0.01). The low regression between TSS and chlorophyll a was due to the presence of large amounts of inorganic particles in the West Banjir Kanal river, which makes the river waters become turbid. So, the turbidity of the waters caused the release of phosphate in the sediment to water column which was used by phytoplankton for photosynthesis, so the TSS not only contain sediment particles, but also phytoplankton. Banyaknya aktivitas di sepanjang sungai Banjir Kanal Barat Semarang, memicu kondisi perairan lautnya menjadi berubah. Kondisi yang paling terpengaruh adalah kekeruhan yang menyebabkan tingginya konsentrasi Material Padatan Tersuspensi (MPT) di perairan muara dan mengganggu masuknya cahaya matahari ke perairan. Penelitian ini bertujuan untuk mengetahui pengaruh MPT terhadap konsentrasi klorofil-a dan fosfat inorganik terlarut (DIP=Dissolved Inorganic Phosphate) di perairan Muara Banjir Kanal Barat Semarang. Pengambilan sampel air dilakukan pada tanggal 3 Oktober 2019. Parameter kualitas perairan seperti kecerahan, pH, suhu, DO dan salinitas diukur secara in situ. Sedangkan pengukuran klorofil-a, MPT dan DIP dianalisis di laboratorium. Hasil penelitian menunjukkan bahwa konsentrasi MPT, klorofil-a dan DIP tertinggi di daerah muara sungai dan menurun dengan makin jauhnya muara sungai dengan konsentrasi secara berturut-turut sebesar 70,17-151,50 mg/L, 0,03-2,67 µg/L dan 0,71-0,98 µM. Berdasarkan hasil Analisis Komponen Utama (AKU) menunjukkan bahwa MPT mempengaruhi klorofil-a sebesar 8,7% (r = 0,392; P < 0,05) dan fosfat inorganik terlarut sebesar 54,46% (r = 0,931; P < 0,01). Rendahnya hubungan antara MPT dengan klorofil-a ini disebabkan oleh adanya masukan partikel anorganik dalam jumlah besar di badan Sungai Banjir Kanal Barat yang membuat perairan sungai menjadi keruh. Jadi kekeruhan perairan menyebabkan terlepasnya fosfat di sedimen yang dimanfaatkan oleh fitoplankton untuk proses fotosintesa, sehingga yang terkandung dalam MPT selain partikel sedimen juga fitoplankton.

Aktifitas 137Cs dan Total Organik Karbon Dalam Sedimen di Sekitar Pulau Tikus Samudera Hindia Muslim Muslim; Wahyu Retno Prihatiningsih; Reza Agung Arjana
Jurnal Keselamatan Radiasi dan Lingkungan Vol 1, No 1 (2016): Juni 2016
Publisher : Pusat Teknologi Keselamatan dan Metrologi Radisasi - BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.181 KB)

Pulau Tikus adalah salah satu pulau di Indonesia yang letaknya di Samudera Hindia, sekitar 10 km di sebelah barat Bengkulu yang mempunyai panorama alam yang indah baik di daratannya maupun di dasar lautnya, sehingga menjadi wisata favorit di Bengkulu. Tujuan penelitian ini adalah untuk mengetahui kondisi 137Cs di sedimen dan hubungannya dengan karbon total dan tekstur sedimennya. Pengambilan sampel sedimen dilakukan pada 17 September 2014 di 6 stasiun dimana 3 stasiun masih relatif dekat dengan Pulau Tikus dengan kedalaman perairan ≤ 1 m dan 3 lainnya sudah agak jauh dari Pulau Tikus dengan kedalaman perairan 14 – 18 meter. Tekstur sedimen dan kandungan Total Organik Karbon (TOK)nya terlihat bahwa pada perairan dengan kedalaman ≤ 1 m adalah pasir (sand) dengan kandungan TOKnya < 5,5% sedang pada kedalaman 14 -18 meter adalah lanau pasir (silt sand) dengan kandungan TOK ≥.6%. Kondisi tekstur dan kandungan TOK di sedimen ternyata mempengaruhi kandungan 137Cs di sedimen, dimana apabila ukuran sedimen kecil (silt/clay) dan kandungan TOK tinggi, maka kekuatan sedimen tersebut dalam mengadsorbsi 137Cs berkurang sehingga konsentrasi 137Cs di sedimen menjadi lebih kecil (0,15 – 0,37 Bq/Kg) dibanding dengan pada sedimen yang mempunyai tekstur sand dengan TOK rendah, maka kandungan 137Cs di sedimen jauh lebih tinggi yaitu 0,42-0,55 Bq/Kg. Rat Island is one of the islands in Indonesia, located in the Indian Ocean, about 10 kilometers west of Bengkulu, which has a beautiful scenery both on its land and on the seabed, making it a favorite tourist in Bengkulu. The purpose of this study was to determine the condition of 137Cs in sediments and its relation to the total carbon and sediment texture. Sediment sampling carried out on 17 September 2014 at six stations where three stations are still relatively close to The Rat island with water depth of ≤ 1 m and 3 others are far from Rat Island waters with a depth of 14-18 meters. Sediment texture and TOC content at waters depth of ≤ 1 m is sand and its TOC contents were <5.5%. On other hand at water depth of 14 -18 meters sediment texture are silt sand mixture and the TOC content were ≥.6%. The concentration of 137Cs in sediment were influenced by texture characteristic and TOC content.

Concentration of Natural Radionuclide and Potential Radiological Dose of 226Ra to Marine Organism in Tanjung Awar-Awar, Tuban Coal-Fired Power Plant Chairun Annisa Aryanti; Heny Suseno; Muslim Muslim; Wahyu Retno Prihatiningsih; Mohamad Nur Yahya
Jurnal Segara Vol 17, No 3 (2021): Desember
Publisher : Politeknik Kelautan dan Perikanan Dumai

Fly ash and bottom ash from coal combustion can contain natural radionuclides with a certain concentration. The release of fly ash into the environment can potentially increase the concentration of natural radionuclides in the surrounding environment, including marine waters. This study aimed to determine the activity of natural radionuclides in seabed sediments and the radiological impact on marine organisms related to Tanjung Awar-Awar Coal-Fired Power Plant activities in Tuban. The sampling techniques were carried out by the purposive sampling method. The concentration measurement of natural radionuclide activity was carried out using HPGe detector gamma-ray spectrometry at marine radioecology laboratory of National Nuclear Energy Agency. The detected concentration of natural radionuclide activity was 40K ranging from 159.18 to 365.88 Bq.Kg-1, 228Ac ranging from 14.47 to 28.05 Bq.Kg-1, and 226Ra ranging from 15.00 to 67.65 Bq.Kg-1. By using the ERICA Assessment Tool Tier 2 program, the results of the analysis showed that there was no impact of 226Ra radiation on marine organisms at the research site because the total radiation dose rate (external + internal) of 226Ra on marine biota was lower than the screening level of 10 μGy / h. Thus, it will not harm marine ecosystems and the sustainability of marine organisms in the waters of Tanjung Awar-Awar Coal-Fired Power Plant, Tuban.

HUBUGAN ANTARA DUKUNGAN KELUARGA DAN LINGKUNGAN FISIK DENGAN PRAKTIK PROTEKSI PAPARAN ASAP ROKOK PADA BALITA OLEH KEPALA RUMAH TANGGA (Studi di Wilayah Kelurahan Tandang Kota Semarang) Muslim Muslim; Laksmono Widagdo; Ratih Indraswari
Jurnal Kesehatan Masyarakat (Undip) Vol 7, No 3 (2019): JULI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Exposure of cigarette smoke will cause health problems, not only for active smokers but also for passive smokers. Smoking in the home is a risk behavior for the health of family members, especially toddlers because in the toddler's age the organs in a toddler's body are developing. For this reason, there is a need for the role of the head of the household, in this case, to provide protection toddlers so that they are not exposed to cigarette smoke from themselves and other people's cigarette smoke.This study aims to analyze the family support and physical environment with the practice of protecting exposure to cigarette smoke in infants by the head of the household in the Tandang Village, Semarang City.The method used in this study is quantitative with a cross-sectional approach. The population in this study were 1,042 male parents of toddlers who were active smokers, which then determined a sample of 101 people through the Probability Sampling Stratified Random Sampling technique. This study uses univariate and bivariate analysis using the Chi-Square test.The results showed that there was a relationship between family support (p = 0.031) and physical environment (p = 0.032) with the practice of protection of the head of the household. The need for increasing parents' knowledge of the dangers that can be caused by cigarette smoke to infants and increasing awareness of parents in preventing exposure to cigarette smoke in infants.

Potensi Energi Arus Laut Di Perairan Selat Sunda Nuriyati Nuriyati; Purwanto Purwanto; Heryoso Setiyono; Warsito Atmodjo; Petrus Subardjo; Aris Ismanto; Muslim Muslim
Indonesian Journal of Oceanography Vol 1, No 1 (2019): Indonesian Journal of Oceanography
Publisher : University of Diponegoro

Arus Laut merupakan salah satu sumber energi terbarukan yang potensial untuk dikembangkan mengingat banyaknya pulau dan selat yang ada di Indonesia. Selat Sunda yang berada di antara Samudera Hindia dan Laut Jawa yang dipengaruhi oleh massa air dari Samudera Pasifik menjadi salah satu lokasi potensial. Tujuan dari penelitian ini adalah untuk mengetahui karakteristik arus laut beserta potensi energi arus laut yang dihasilkan. Penelitian ini menggunakan metode kuantitatif dan penentuan lokasi dengan metode sampling area. Pengolahan data dibagi menjadi tiga tahap yaitu analisa data arus dan pasang surut, pemodelan numerik dan perhitungan estimasi rapat daya. Hasil menunjukkan bahwa kecepatan arus maksimum sebesar 1.95 m/s. Daya terbesar dihasilkan pada saat kondisi surut menuju pasang yaitu sebesar 4.51 W/m2 di daerah antara Pulau Peucang dan Ujung Kulon. Ocean current is one of the potential renewable energy sources to be developed considering there are many islands and straits that exist in Indonesia. Sunda strait that located between Indian Ocean and Java Sea be affected water masses from Pacific Ocean to be one of potential location. The purpose of this study is to determine the characteristics of ocean currents and the potential of ocean current energy that can be generated. This study used a quantitative method and determination of the location with sampling area. Data Processing is divided into 3 major phases which is analysis for currents and tides, numerical modeling and calculation of power density estimation. The results showed that the maximum of ocean current velocity is 1.95 m/s. The biggest power density is generated during ebb to flood is 4.51 W/m2in the area between Peucang island and Ujung Kulon.

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

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