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Journal : Leuser Journal of Environmental Studies

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 - Edyson - Haudhiya - Mashuri - Mashuri, - Abd Rahman, Sunarti Abdullah Fadily Achmad Syamsu Hidayat Adenan Adenan, Adenan Adi Kristanto Adi Nugroho Adi Nugroho Adi Nugroho Afriyanti, Defi Agianto Agung Biworo Agung Biworo Agung Biworo Ahmad Hidayat Ahmad Husairi Akhmad Rizali Ali Assagaf Aminuddin Prahatama Putra Aminuddin Prahatama Putra Aminuddin Prahatama Putra Anang Kadarsah Anang Kadarsah, Anang Anes Fikri Haekal Angga Praditya Anggraini, Farida Anindya Anindya Anindya, Anindya Anni Nurliani Annisa Halida Husna Annisa Halida Husna, Annisa Halida Aranda, Viren Lolita Ardik Lahdimawan, Ardik Arfan Eko Fahrudin Arganita, Fidya Rahmadhany Ari Yunanto Ari Yunanto Ari Yunanto Arifin Syamsul Arjan Arkasi Arrifah Noer Emma As, Zufikar Ali Asdar Gani, Asdar Asnawati Asnawati Assyfa, Nadia Salma Nazwa Aurenada, Syabita Azka Lahdimawan Badaruddin Badaruddin Bahrul Ilmi Bahrul Ilmi Bakhriansyah, Bakhriansyah Bakhriansyah, M. Bambang Setiawan Bambang Setiawan Bambang Setiawan Basir Achmad Cahyadi, Herry Deni Fakhrizal Denny Margono Denny P.N.H. Margono Denny P.N.H. Margono, Denny P.N.H. Dewi Anggraini Dewi Hariyani DEWI SARTIKA Dewi Sri Susanti Dewi, Renie Kumala Diani, Holly Dicky Andiarsa Didik Triwibowo Dita Apriliana Sari Djinu, Lentar Adityas Dona Marisa, Dona Donna Marisa Donna Marisa, Donna Edi Hartoyo Edi Hartoyo Edyson Edyson Edyson Edyson, Edyson Edyson, - Efrilia Tanjung Eka Santi Eko Suhartono Eko Suhartono Emmy Sri Mahreda Endah Ayu Rahmadhani Endah Ayu Rahmadhani, Endah Ayu Endah Rusdiana Eria Sartika Eriana, Nisa Nur Agistni Erida Widyamala Erlena, Erlena Erliyanti, Emmi Ermina Istiqomah, Ermina Fahira, Nurul Savira Fakhrur Razie Fakhrurrazy Fakhrurrazy Farizka Erianti Farizka Erianti, Farizka Fatimah, Husnul Fatmawati Fatmawati Fauzie Rahman Febrianti, Helma Febriyasy, Fathia Ferdinand Aprianto Tannus Fujiati ., Fujiati Fujiati Fujiati Ganesh, Rajendran Ghazi Mauer Idroes Gunawan Gusti Muhammad Perdana Putera Hadianto, Teguh Hafifah, Ifa Hafiz Al Farizi Hamrun, Nurlinda Handayani, Rini Hapsari Lintang Sekartaji Hardyan Sauqi Haryati Haryati Haryati Haryati Haudhiya, - Heny Arwati Herawati Herawati Heru Cahjono Hidayati, Novita Husaini Husaini Husaini Husaini Husaini Husaini Husaini Husaini Husaini Husna, Hanna Dwi Aprilia Husnul Khotimah Ibrahim, Sayed Ida Yuliana Idroes, Ghalieb Mutig Ika Kustiyah Oktaviyanti Illiandri, Abdullah Oski Insanul Kamilah Ira Nurrasyidah Isa Ansori Isa, Mohamad Iskandar Iskandar Iskandar Iskandar Isna Syauqiah Isnasyauqiah, Isnasyauqiah Istiana Istiana Iwan Aflanie Joneks Aldianto Kabes June Astri Nijka Juniarti, Maya Kadarsah , Anang Kamilah, Insanul Karantika, Ellsa Anggun Kasmasari, Kasmasari Khairan Khairan Khairina Khairina Khairina Khairina, Khairina Krisdianto Krisdianto Krisdianto Kusumawardhani, Erna Kusumo, Fitranto Lenie Marlinae Lenie Marlinae Lenie Marlinae Liestiana Indriyati Liling Triyasmono Lisda Hayatie, Lisda Lutfhi Fatah M Irwan Setiawan M Surya Hermawan M. Bakhriansyah, M. Madargerong, Vincentius Adrian Maharani Laillyza Apriasari Mahmudah Maria Ulfah Maria Yosephine Himawan Martiani Martiani, Martiani Mashuri Mashuri Mashuri Mashuri Mashuri Mashuri Mashuri, Mashuri Maula, Ni’mal Maulana, Aga Maya Juniarti Medyan Riza Meitria Syahadatina Noor Meitria Syahadatina, Meitria Mijani Rahman, Mijani Mirza Maulana Ahmad Mohamad Isa Mohammad Bakhriansyah Mohammad Bakhriansyah Mohammad Rizki Fadhil Pratama Muchamad Arief Soendjoto Muhammad Abdan Shadiqi Muhammad Hafidz MS Muhammad Hendy Arizal Muhammad Hendy Arizal, Muhammad Hendy Muhammad Pahruddin, Muhammad Muhammad Rasyid Ridha Muhammad Rizky Tri Aditya Muhammad Rizky Tri Aditya, Muhammad Rizky Tri Muhammad Topan Widyanto Muhammad Topan Widyanto, Muhammad Topan Multiansyah, Multiansyah Musafaah Musafaah Muthaminah, Noor Muthia Elma Muthmainah, Noor Nabila Rahman Nadia Eka Pratiwi Nastiti, Titis Nelly Al Audhah Nia Kania Nikmah, Elok Hikmatun Nila Nirmalasari Nila Nirmalasari, Nila Nindya Tresiana Putri Noer Komari Noor Muthmainah Noor, Ihsan Noor, Meitria Syahdatina Nopi Stiyati Prihatini Nova Eka Wondasari Novie Aprianti Novie Aprianti, Novie Nugi Maulana Nur Qamaliah Nur Qamariah Nur Yulia Sari Nur, Radian Nurul Hidayah Nurul Salsabila Yasmina Nuryandi Khairunanda Nuryandi Khairunanda, Nuryandi Olivia Sari, Devi oni Soesanto Patricia Sator Perdana, Muhammad Ricky Prahatama Putra, Aminuddin Prasetio, Rasi Prastricia, Meily Andini Pratama, Muhammad Noor Aditya Pricilia Gunawan H Pricilia Gunawan Halim Prihartini, Nopi Stiyati Purnama, Sapta Heru Purwakaning Agung Purwanto Budi Santosa Putera, Gusti Muhammad Perdana Rahayu, Istuning Puji Rahman, Fauzi Rahmiyati Rahmiyati Rima Permata Sari Rinawati Rino Rino Rismia Agustina Rizka Maulida Rizki Amalia Sari Rizki Perdani Rizqi Puteri Mahyudin ROBIATUL ADAWIYAH Rony Riduan Rosalia Friska Ananda Roselina Panghiyangani Rosihan Adhani, Rosihan Ruslan Muhyi Ruslan Muhyi, Ruslan Ruslan Ruslan Salamiah . Salamiah Salamiah Saldy Rizky Saputra Saldy Rizky Saputra, Saldy Rizky Salmon Charles P.T. Siahaan Salmon Charles Pardomuan Tua Siahaan Salmon Siahaan Salsabila, Salsabila Samsul Hadi Samsul Hadi Sanyoto, Didik Dwi Sapphira, Nadira Sari, Dessie Natalia Mayang Sari, Nur Yulia Sartika, Eria Savira Angelia Sekartaji, Hapsari Lintang Setiawan, Bambang Setiawaty, Endang Silapurna, Endah Labati Silvia Kristanti Tri Febriana Silvia Kristanti Tri Febriana Silvia Kristanti Tri Febriana Siti Arika Bulan Siti Juliati Siti Juliati Soesanto, Bayu Sri Cahyo Wahjono Sri Oktawati, Sri Suciati Suciati Suhastinah, Suhastinah Suhendrayatna Suhendrayatna Sumi Kartika Sunardi Sunardi, Ph.D., Sunardi Supianur, Supianur Susantu, Susantu Susilawati Susilawati Susilo, Tanto Budi Syachrumsyah, Muchlisch Syafa’ah, Irmi Syamsiar, Syamsiar Syamsul Arifin Syamsul Arifin Tamtama, Tatang Taupik Rahman Tazkia Safarina Tenri Ashari Wanahari Teuku Rizky Noviandy Trang, Ha Thi Thu Triawanti Triawanti Triawanti Triawanti Triawanti Triawanti Triawanti Triawanti Triawanti Trisnu Satriadi Vini Yulia Anhar Wardani, Hesti Sasmila Warih Anggoro Mustaqim, Warih Anggoro Waty, Marsela Umbar Wenda Fitriati Noor Wenda Fitriati Noor, Wenda Fitriati Wenny Wulandani Wijaya, Herman Wiji Cahyadi Windy Budianto Windy Yuliana Budianto, Windy Yuliana Wiwied Ekasari Wydiamala, Erida Yaliza, Nella Yuni Yulida Yusanto Nugroho Yuyun Hidayat Zahriah, Zahriah Zairin Noor Zoelkarnain Akbar, Izaak Zuchra Helwani, Zuchra