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All Journal HAYATI Journal of Biosciences Jurnal Reka Lingkungan Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Ners Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang jurnal syntax admiration Jurnal Dinamis Community Empowerment Jurnal Pengabdian Papua Journal of Health and Nutrition Research Jurnal Indonesia Sosial Teknologi Journal Research of Social Science, Economics, and Management JURNAL BIOLOGI PAPUA Riwayat: Educational Journal of History and Humanities Journal of Innovative and Creativity Prosiding Seminar Nasional Unimus Abdimas Dinamis Jurnal Medika: Medika
Bambang Suhartawan
Universitas Sains Dan Teknologi Jayapura
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Journal : Riwayat: Educational Journal of History and Humanities

 1 
Application of the British Columbia Water Quality Index (BC-WQI) Method to Determine the Water Quality Status of Lake Sentani in Jayapura Bambang Suhartawan
Riwayat: Educational Journal of History and Humanities Vol 8, No 1 (2025): Januari, Special Issue on "Educational design research for human beings learning
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i1.44412

Abstract

This Lake Sentani in Papua Province has significant ecological and economic value and is a source of life for the local community. However, intensive anthropogenic activities around the lake result in a decline in water quality that threatens the ecosystem and public health. This study aims to examine the water quality status of Lake Sentani using the British Columbia Water Quality Index (BC-WQI) method, which is able to integrate various physical, chemical, and biological parameters into one quality index that is easy to interpret. Data collection was carried out at three location points in the upstream, middle, and downstream parts of Lake Sentani, with in situ and ex situ testing for ten water quality parameters such as TDS, pH, BOD, COD, heavy metals Pb, oils and fats, and total coliforms. The calculation of the water quality index uses the values of F1 (scope), F2 (frequency), and F3 (amplitude) to determine the BC-WQI. The results showed that at station 1 (Ifale) the BC-WQI value was 37.62 (good quality), at station 2 (Asei) it was 49.92 (poor quality), and at station 3 (Jaifuri) it was 67.69 (poor quality). Thus, the water quality downstream of the lake is classified as unsafe for consumption or clean water without adequate treatment. This study shows the importance of integrated management and efforts to preserve water quality to maintain the sustainability of Lake Sentani.
Pengaruh Penggunaan Aplikasi Chatgpt terhadap Produktivitas Mahasiswa dalam Menyelesaikan Tugas Akademik Suhartawan, Bambang; Anwar, Syamsul; Arisona, Widya Lusi; Supit, Deisye; Musran Munizu, Musran Munizu
Riwayat: Educational Journal of History and Humanities Vol 8, No 3 (2025): July, Social Studies, Educational Research and Humanities Research.
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i3.47659

Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh penggunaan aplikasi ChatGPT terhadap produktivitas mahasiswa dalam menyelesaikan tugas akademik. Penelitian ini menggunakan pendekatan desk research dan pendekatan kualitatif. Pengumpulan data dilakukan dengan menggunakan kuesioner yang disebarkan secara online melalui google form kepada 70 mahasiswa yang menggunakan ChatGPT. Hasil penelitian ini adalah penggunaan aplikasi ChatGPT secara nyata telah memberikan dampak positif terhadap peningkatan produktivitas mahasiswa dalam menyelesaikan tugas akademik. Aplikasi ChatGPT tidak hanya mempercepat proses pengerjaan tugas, tetapi juga memberikan berbagai manfaat penting yang mendukung keberhasilan studi mahasiswa secara menyeluruh, seperti kemudahan dalam mengakses dan menemukan informasi yang dibutuhkan secara cepat dan efisien, penyediaan informasi yang relevan serta sesuai dengan kebutuhan akademik, dan bantuan dalam memahami materi-materi kuliah yang kompleks.
Co-Authors , Krisantini Abel, Andrea K.M. Abel, Andrea Karina Marielle P. Alfons, Alfred Benjamin Andika Prasetya Arisona, Widya Lusi Asih, Ni Putu Sri Balabuana, Gaspar B Calvin R. Rumansara Daawia Daawia Daawia, Daawia Deisye Supit Dewi ANGGRAENI Fitriyanti, Rosi Haurissa, Jusuf Helen Riupassa Hendry Y. Nanlohy Iriyanto, Santje Iriyanto, Santje M Iriyanto, Santje Magdalena JokoSuyono, Ignatius Juang Gema Kartika Kastella, Lia Syarifah Kastella, Yulis Cahyawati Komari Komari Marthina Mini Matra, Deden D. Megayani Sri Rahayu Musran Munizu, Musran Munizu Nuriah, Yuyun Nurlita Dianingsih Nurmaningtyas, Anggia Riani Nurwijayanti Pattipeilohy, Andrew Cavin Rani, Ajeng Dewi Rumawak, Sarah A Rumawak, Sarah Agustina Sarah Agustina Rumawak Sefaniwi, Yehuda Devid Welem Sroyer, Katherina Sroyer, Katherina T. J. Mayor Surbakti, Suryani Br Susi Marianingsih Suyatno Suyatno Suyatno Suyatno Syamsudin Usman Syamsul Anwar, Syamsul Taba, Herman HI Tjolleng Tanwir, Tanwir Utomo, Sigit Warikar, Evie L Yando, Heron Yuliandra M. Numberi Yuyun Nuriah