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All Journal Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Teknik Kimia USU Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah Jurnal Serambi Engineering Jurnal Nasional Komputasi dan Teknologi Informasi Aptisi Transactions on Technopreneurship (ATT) Jurnal Sains dan Teknologi Reaksi Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences REACTOR : Journal of Research On Chemistry And Engineering Jurnal Pemerintahan dan Kebijakan (JPK) Jurnal Teknologi Jurnal Pusat Inovasi Masyarakat Aceh International Journal of Science and Technology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) JIPI (Jurnal IPA dan Pembelajaran IPA) Leuser Journal of Environmental Studies Grimsa Journal of Science Engineering and Technology Jurnal Teknik Sipil Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan IJES : Indonesian Journal of Environmental Sustainability. Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS) JURNAL REKAYASA KIMIA & LINGKUNGAN
Suhendrayatna Suhendrayatna
Chemical Engineering Department, Faculty Of Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia, 23111
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Journal : Leuser Journal of Environmental Studies

 1 
Urban Air Quality Classification Using Machine Learning Approach to Enhance Environmental Monitoring Idroes, Ghazi Mauer; Noviandy, Teuku Rizky; Maulana, Aga; Zahriah, Zahriah; Suhendrayatna, Suhendrayatna; Suhartono, Eko; Khairan, Khairan; Kusumo, Fitranto; Helwani, Zuchra; Abd Rahman, Sunarti
Leuser Journal of Environmental Studies Vol. 1 No. 2 (2023): November 2023
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v1i2.99

Abstract

Urban areas worldwide grapple with environmental challenges, notably air pollution. DKI Jakarta, Indonesia's capital city, is emblematic of this struggle, where rapid urbanization contributes to increased pollutants. This study employed the CatBoost machine learning algorithm, known for its resistance to overfitting and capability to handle missing data, to predict urban air quality based on pollutant levels from 2010 to 2021. The dataset, sourced from Jakarta's air quality monitoring stations, includes pollutants such as PM10, SO2, CO, O3, and NO2. After preprocessing, we used 80% of the data for training and 20% for testing. The model displayed high accuracy (0.9781), precision (0.9722), and recall (0.9728). The feature importance chart revealed O3 (Ozone) as the top influencer of air quality predictions, followed by PM10. Our findings highlight the dominant pollutants affecting urban air quality in Jakarta, Indonesia and emphasizing the need for targeted strategies to reduce their concentrations and ensure a cleaner and healthier urban environment.
Ensuring Accuracy: Critical Validation Techniques in Geochemical Analysis for Sustainable Geothermal Energy Development Idroes, Ghazi Mauer; Suhendrayatna, Suhendrayatna; Khairan, Khairan; Suhartono, Eko; Prasetio, Rasi; Riza, Medyan
Leuser Journal of Environmental Studies Vol. 2 No. 1 (2024): April 2024
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v2i1.176

Abstract

Geochemical analysis is a critical tool in geothermal exploration, providing valuable insights into reservoir characteristics. However, obtaining accurate and reliable geochemical data requires rigorous validation techniques. This review examines key factors affecting the accuracy of geochemical data and discusses best practices for ensuring quality. Proper sampling methods, including selection of representative locations, use of appropriate equipment, and adherence to robust protocols for sample collection, filtration, preservation, and storage, are essential for maintaining integrity. Analytical techniques must be carefully selected, with regular calibration and standardization of instruments using certified reference materials. Implementing comprehensive quality assurance and quality control procedures, such as analyzing blanks, duplicates, and spike samples, helps monitor precision and accuracy. Data interpretation should consider the complexities of the geological and hydrological settings, integrating multiple lines of evidence. By following established guidelines and continuously updating methods based on emerging technologies and inter-laboratory comparisons, geothermal teams can optimize the reliability of their geochemical data. Accurate and precise geochemical information, when combined with geological, geophysical, and hydrological data, enables informed decision-making and enhances the success of geothermal projects. As geothermal energy gains importance in the transition to sustainable resources, ensuring the accuracy of geochemical analysis will be crucial for effective exploration and development.
Resilience and Adaptation: Plant Ecology in Indonesia’s Geothermal Environments Idroes, Ghazi Mauer; Khairan, Khairan; Suhartono, Eko; Prasetio, Rasi; Idroes, Ghalieb Mutig; Suhendrayatna, Suhendrayatna
Leuser Journal of Environmental Studies Vol. 3 No. 1 (2025): April 2025
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v3i1.294

Abstract

Geothermal ecosystems are defined by extreme environmental conditions, such as elevated temperatures, high concentrations of toxic chemicals, and fluctuations in abiotic stressors, which shape plant survival and adaptation. These unique ecosystems, found across various geothermal regions globally, support specialized plant communities that have developed distinctive morphological, physiological, and ecological adaptations. Indonesia, located on the Pacific Ring of Fire, is one of the world’s richest geothermal nations, offering an important yet underexplored context for studying vegetation in geothermal zones. This review examines the environmental conditions of geothermal ecosystems, the adaptive strategies of vegetation, and patterns of plant diversity within Indonesian geothermal fields. It also explores ecological succession, community dynamics, and the potential use of geothermal vegetation as environmental indicators for biomonitoring. Despite growing interest, significant research gaps remain, particularly in long-term monitoring and the integration of molecular-level studies. Addressing these gaps is essential for enhancing scientific understanding and informing conservation and sustainable geothermal energy development in tropical regions. This review highlights the ecological significance of geothermal vegetation and underscores the need for interdisciplinary research to support both biodiversity preservation and responsible energy exploitation.
Co-Authors . Bahagia . Elvitriana . Marwan A.A. Ketut Agung Cahyawan W Abd Rahman, Sunarti Abdul Gani ABDUL GANI Abdurahman Abdurrahman Abrar Muslim Abrar Muslim Abrar Muslim Ade T Afifuddin, Muhammad Al Harist, Al Harist Ali Sarong Aman Yaman Asmaul Husna Asmaul Husna Aulia, Muhammad Bahagia Bahagia Bahagia Bahagia Bahagia Bahagia Darusman Darusman Dedi Sofriadi Donny Avrilan Edi Munawar Edi Munawar Eko Suhartono Eldina Fatimah Ellysa Ellysa Elviani Elviani Erika L Faisal Abdullah Faisal Abdullah Fandana, Lisa Febriani Febriani Fredinan Yulianda Ghazi Mauer Idroes H Murni Halik Halimah Halimah Henny Marlina Heri Afriadi Aka Hesti Meilina Hesti Meilina Hesti Meilina Husni Husni Ichwana Ichwana Idroes, Ghalieb Mutig Indra Indra Iqbalul Hadi Irhamni Irhamni Irma Yurni Irza, Tsaqif Aufa Jayawarsa, A.A. Ketut Kasturi Kasturi Khairan Khairan Kiman Siregar* Kusumo, Fitranto L, Erika Laksono Trisnantoro M. Nasir Mahidin Mahidin Marwan Abu Bakar Marwan Marwan Marwan Marwan Maulana, Aga Medyan Riza Miftahurrahmah Miftahurrahmah, Miftahurrahmah Monita Olivia Muammar Khadafi Muhammad Afifuddin Muhammad Ikhsan Sulaiman Muhammad Irham Muhammad Syukri Muhammad Zaki Muhammad Zaki Muhammad Zaki Muhammad Zaki, Muhammad Zaki Mulyadi Mulyadi Muslim*, Abrar Nizariah, Nizariah Novia Novia Novia Novia Nurlaili Nurlaili Pardede Pardede Pardede, Pardede Prasetio, Rasi Putri Nurmala Rahmawati, Sri Rini Ermiana* Rini Safitri Rini Safitri Rita Andini RITA ANDINI Sabrina Hayatun Nufus Saiful Saiful Sofia Sofia Sri Adelila Sari Sugianto Sulastri Sulastri Syafrizal Syafrizal Syaiful Huzni Syaubari Syaubari T, Ade Teuku Rizky Noviandy Thaharah Ramadhani Vera Viena Wilda Khairuna Yundari, Yundari Zahriah, Zahriah Zainal Abidin Muchlisin Ziana Ziana Zuchra Helwani, Zuchra Zuhri, Sarika Zulkifli Ak Zulkifli AK