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All Journal INTEKNA Jurnal Al-Bayan: Media Kajian dan Pengembangan Ilmu Dakwah Jurnal Kesehatan Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Motivasi Pendidikan dan Bahasa Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer AJCD
Raihan Raihan
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Nursing Public Health Social Sciences Other

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Studi Medan Elektromagnetik Pada Efek Radiasi Elektromagnetik Dari Saluran Udara Tegangan Ekstra Tinggi (SUTET) Untuk Kesehatan Manusia Muhammad Abdullah Bin Matni; Vinta Retriani; Raihan Raihan; Alifia Nurfadilah; Diyajeng Luluk Karlina
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 6 (2024): Desember: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i6.545

Abstract

This study examines the impact of electromagnetic radiation exposure from Extra High Voltage Overhead Transmission Lines (EHV OTL) on human health in the Banten region, Indonesia. SUTET, which operates at a voltage of 500 kV, generates an electromagnetic field that can affect the health of the surrounding community. The research was conducted through in-depth interviews with 30 respondents, consisting of residents around the SUTET, medical personnel, and health experts. The interview results showed that 70% of respondents were concerned about the health impacts of SUTET, with the most common complaints including headaches (45%), sleep disturbances (30%), and chronic fatigue (25%). In addition, the majority of respondents felt they did not receive sufficient information regarding the safe exposure limits to electromagnetic fields. Nevertheless, the public's knowledge about the long-term effects of electromagnetic fields is still limited. The thematic analysis found a gap in information between the public and existing regulations. This research implies the need for better educational measures from the government and related institutions regarding the dangers of SUTET and electromagnetic radiation. Furthermore, it is recommended that further research be conducted to establish safe exposure limits to electromagnetic fields in Indonesia, as well as to formulate more effective policies to protect public health around SUTET transmission lines.
Application of circular economy in manufacturing industry in Indonesia Mulki Siregar; Raihan Raihan; Cahyono Cahyono
AMCA Journal of Community Development Vol. 3 No. 1 (2023): AMCA Journal of Community Development
Publisher : AMCA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51773/ajcd.v3i1.211

Abstract

Circular economy is an economic activity that emphasizes the use of resources aimed at reducing emissions and energy released. The benefits of implementing a circular economy are absorbing labour, reducing waste, reducing pollution, and preserving nature. The circular economy system is the opposite of the conventional economic system. The conventional economic system only exploits nature to produce goods for use and after that is discarded. The five activities that are at the core of the circular economy concept are reduce, reuse, recycle, recover, and revalue. Circular economy will generate benefits from both economic, social and environmental aspects. From an economic perspective, this concept will use waste products from previous production processes or other economic actors to end waste treatment globally. From a social aspect, this concept can create new job opportunities, encourage community participation, and use collective goods and services more efficiently than individually. From an environmental aspect, by utilizing waste from product sharing, it will reduce the environmental burden from the exploitation of raw materials and pollution. The circular economy system will create benefits not only making the environment healthier but also having a positive impact on the economy, absorbing labour and creating long-term economic resilience.
Estimasi Biomassa dan Karbon Serasah di Kawasan Aliran Mata Air Panas Jaboi, Kecamatan Sukajaya, Kota Sabang Raihan Raihan; Muslich Hidayat; Nurdin Amin; Zuraidah Zuraidah; Lina Rahmawati
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 4 No. 2 (2025): Agustus: Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v4i2.6594

Abstract

Tropical forests play an important role as carbon sinks and biomass stores, including through the litter produced by vegetation. Litter contributes to nutrient cycling, maintains soil fertility, and is an important component of ecosystem carbon reserves. This study aims to estimate the biomass and carbon content of litter in the Jaboi Hot Spring Flow Area, Sukajaya District, Sabang City. The study was conducted in June 2025 using a 100 m long line transect method with four transects, each consisting of 18 1 x 1 m plots. Leaf litter samples were collected, their wet weight was measured, dried in an oven for 48 hours, and their carbon content was calculated based on the percentage of organic carbon of 0.47. The results showed a total litter biomass of 8,106 kg/m² with an average of 2,027 kg/m², and a total litter carbon of 3,809 kg/m² with an average of 0,952 kg/m². The highest values were found at Station 3 (2,354 kg/m² and 1,106 kg/m²) and the lowest at Station 1 (1,691 kg/m² and 0,795 kg/m²). Variations in values are influenced by soil physical-chemical factors, vegetation density, and climatic conditions, which influence production and decomposition rates. These results emphasize the importance of monitoring biomass and litter carbon to support forest management and conservation.
Co-Authors Alifia Nurfadilah Anhar Khalid Cahyono Cahyono Didik Ariwibowo Diyajeng Luluk Karlina Ernawati Ernawati Latief Eko Yuniarto Lina Rahmawati Majadanlipah Majadanlipah Mas Udi Muhammad Abdullah Bin Matni Muhammad Irfan Andrianto Muhammad Rifki Arrosyid Mulki Siregar Muslich Hidayat Nailah Ramadhani Nurdin Amin Nurwijayanti Otom Mustomi Priyo Sasmito Rahma Sarita Sabrina Nadya Octaviani Vinta Retriani