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Prasetya, Johan Danu
Universitas Pembangunan Nasional Veteran Yogyakarta
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Analisis Ambang Batas Curah Hujan Dengan Pendekatan Statistik Median di Daerah Rawan Longsor Samigaluh, Kulon Progo Marganiswati, Yudha Tintana; Maharani, Yohana Noradika; Cahyadi, Tedy Agung; Prasetya, Johan Danu; Prastistho, Widyawanto
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Volume 13 Issue 3 December 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/euler.v13i3.34962

Abstract

Landslides in tropical regions are often triggered by intense rainfall, causing significant impacts. This study assesses the feasibility of rainfall thresholds for landslide early warning in Kapanewon Samigaluh, Kulon Progo. The objectives include characterizing the rainfall regime, testing the relationship between rainfall and landslide events, evaluating spatial consistency with the landslide hazard map, and establishing and verifying operational thresholds. Landslide data from the BPBD and daily rainfall data from BMKG were processed by aligning the dates and performing quality checks, followed by quantitative analysis. The number of landslide events analysed was 197, with rainfall data collected from a single measurement station. Thresholds were set using the median approach for daily rainfall (CH0) and three-day accumulation (CH−2) from the 2014–2023 series. Verification was conducted on 213 days of the 2024 rainy season using Proportion Correct. Characterization shows a consistent monsoonal pattern with notable interannual variability. A positive tendency is observed between annual rainfall accumulation and landslide frequency. Spatially, around 93% of events occur in high-hazard zones. The median-based thresholds obtained are 31 mm for CH0 and 81 mm for CH−2. Operational verification results in PC values of 84.0% for CH0 and 83.6% for CH−2, indicating acceptable performance. Physically, the intensity of rainfall on event days effectively distinguishes landslide from nonlandslide days, while three-day rainfall accumulation increases risk through soil saturation. These findings support the implementation of locally calibrated thresholds for strengthening early warning, with a focus on monitoring during the rainy season. However, the potential for false alarms related to geological conditions and land-use variability may affect model accuracy. Furthermore, periodic recalibration of thresholds is necessary to address uncertainties resulting from changing hydrometeorological conditions and land-use dynamics.
ANALISIS KEBERLANJUTAN PROGRAM KTB (KAMPUNG TANGGUH BENCANA) DALAM MENGHADAPI BENCANA DI KEMANTREN JETIS DAN KEMANTREN UMBULHARJO KOTA YOGYAKARTA Elizabhet Ortarita Minto Ariwati; Arif Rianto Budi Nugroho; Eko Teguh Paripurno; Johan Danu Prasetya; Yohana Noradika Maharani
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 04 (2025): Volume 10 No. 04 Desember 2025
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i04.38411

Abstract

Indonesia is a disaster-prone country that requires strengthening community capacity as a key strategy for disaster risk reduction. The Disaster Resilient Village Program (Kampung Tangguh Bencana – KTB) was developed as a community-based disaster management initiative to enhance preparedness, program sustainability, and community self-reliance. This study aimed to analyze the level of community participation, program sustainability, and community independence in the implementation of the KTB Program in Jetis and Umbulharjo Subdistricts, Yogyakarta City. A mixed-methods approach was employed, combining quantitative and qualitative methods. Quantitative data were collected through questionnaires administered to 761 respondents and analyzed using a Likert scale, while qualitative data were obtained through in-depth interviews, participatory observation, and documentation involving officials from the Regional Disaster Management Agency (BPBD), disaster management facilitators, KTB leaders and members, volunteer communities, and non-KTB residents. The results indicate that community participation in both subdistricts was high and corresponded to the partnership level of participation based on Arnstein’s ladder. The sustainability analysis revealed that all KTBs were categorized as sustainable to self-reliant, with mean scores ranging from 4.20 to 4.33, and none were classified as vulnerable. Several villages namely Badran, Penumping, Tahunan, and Tempel Wirogunan demonstrated higher levels of self-reliance, supported by routine activities, innovative local funding mechanisms, and well-developed organizational capacity. Nevertheless, challenges remain, particularly related to leadership regeneration, fluctuations in community participation during non-disaster periods, and technical dependence on BPBD for large-scale activities. This study highlights the importance of strengthening institutional capacity and providing continuous facilitation to ensure the long-term and equitable self-reliance of Disaster Resilient Villages.
Wastewater Management Strategies for Reducing Drought Vulnerability and Enhancing Women’s Local Wisdom: A Case Study of Kebonharjo Village, Indonesia Vuspita, Yuniarta; Nugrahajati, RR. Susilastuti Dwi; Nugroho, Arif Rianto Budi; Maharani, Yohana Noradika; Prasetya, Johan Danu; Kurniawan, Ficky Adi
Industrial and Domestic Waste Management Volume 6 - Issue 1 - 2026
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v6i1.1045

Abstract

Prolonged drought has become a recurrent hydrometeorological disaster that significantly affects rural communities in Indonesia, particularly in areas with limited water infrastructure. In 2023, the Special Region of Yogyakarta experienced widespread drought, with severe impacts in Kulon Progo Regency, especially in Samigaluh Subdistrict. Kebonharjo Village, located in the Menoreh Hills, has faced persistent clean water shortages due to climate variability, environmental degradation, and increasing water demand. These conditions have intensified social vulnerability, especially among women, who are primarily responsible for household water management and water-dependent livelihood activities. This study aims to examine women’s multidimensional vulnerability to drought, analyze wastewater management as a form of local wisdom-based adaptation, and identify policy implications for gender-responsive disaster risk reduction. Using a qualitative case study approach, data were collected through in-depth interviews, focus group discussions, participatory observation, and document analysis from January to March 2025. Data were analyzed using the interactive model of Miles and Huberman. The findings reveal that women experience physical vulnerability due to long distances to water sources, economic vulnerability resulting from declining agricultural income and increasing household expenditures, and structural vulnerability linked to limited participation in village-level decision-making. At the same time, women demonstrate strong adaptive capacity through wastewater reuse, rotational water collection, and ecological knowledge of seasonal indicators. The novelty of this study lies in positioning wastewater management as a gendered adaptation strategy rooted in women’s local wisdom rather than merely a domestic coping practice. The study concludes that integrating women’s local knowledge into village-level drought governance and strengthening their participation in decision-making are essential for building community resilience and advancing gender-equitable disaster risk reduction.
Co-Authors Aditya Pandu Wicaksono Aditya Pandu Wicaksono Aditya Pandu Wicaksono Agung Yulianto Nugroho Agus Bambang Irawan Agus Bambang Irawan Ahmad Sobirin Aisya Rahmanita Algary, Tissia Ayu Andi Renata Ade Yudono Anka Indra Pangestu Annisa Dewi Masyithoh Arif Rianto Budi Nugroho Artha Putri, Awanda Dias Rizkia Arya Dipa Aristo Putra Awang Hendrianto Pratomo Ayu Utami Ayu Utami, Ayu Ayumadany, Maulidya Anggun Bambang Dwijo Pranowo Benny Antony Kaban Bramantio Dzaki Wirayuda Cahyadi, Teddy Agung Cahyadi, Tedy Agung Deni Rahman Saputra Dian Hudawan Dian Hudawan Santoso Dian Hudawan Santoso Dina Asrifah Dina Asrifah, Dina Dyah Nunki Yalesrie Effantra Effendi Eko Teguh Paripurno Elga MBM da Costa Elizabhet Ortarita Minto Ariwati Elma, Irfan Dzaky Eni Muryani Fadhil, Achmad Restu Fairus Jelita Regita Putri Fandika Agustiyar Fara Disa Durry Ficky Adi Kurniawan Ficky Adi Kurniawan Fitriani Fitriani Foundry Giovani Galih Haryo Wisanggeni Gandar Mahojwala Gomareuzzaman, Muammar Hadi Purwanto Hanna Windyantini Happitasyari, Stevanie Haryanto, Slamet Herwin Lukito Herwin Lukito Herwin Lukito Herwin Lukito, Herwin Ichsan Azrian Ika Wahyuning Widiarti Indah Nur Hidayah Inggit Fandayati Ira Andriani Ronting Irfan Dzaky Elma Istiana Rahatmawati, Istiana Kristanto, Wisnu Aji Dwi Kurniawan, Ficky Adi Listi, Listi Marganiswati, Yudha Tintana Marzun, Muhammad Hakiim Maulidya Anggun Ayumadany Maulidya Anggun Ayumadany Misya, Meilyn Monica Warih Widi Krisanti Muammar Gomareuzzaman Muammar Gomareuzzaman Muammar Gomareuzzaman Mucharomah, Nur Mugi Rahayu Mussodaq, Mochamad Nabila Farhaini Nandra Eko Nugroho Nasrullah Novia Mawar Sari Nugrahajati, RR. Susilastuti Dwi Nugrahajati, Susilastuti Dwi Nugroho , Arif Rianto Budi Nugroho, Arif Rianto Budi Nugroho, Nandra Eko Nur Mucharomah Prastistho, Bambang Prastistho, Widyawanto Priandeni, Fitriyan Nujud Priza Tiara Titisari PUJI LESTARI PUJI LESTARI Purbudi Wahyuni PURBUDI WAHYUNI, PURBUDI Purwanta, Jaka Purwanto, Hadi Puspitasari, Lisa Putri, Fairus Jelita Regita Raiwa Mara Puspa Rohman, Taufik Fatkur Rr. Dina Asrifah Sabrina Umi Khabibah Setiyo Hartato Setiyo Hartato M Shella G Kakisina Siregar, Imerilda Parlina Sobirin, Ahmad Stephanus Maria Eduat Suharwanto Suharwanto Suharwanto Suharwanto Sukma Sahadewa, Sukma Taufik Fatkur Rohman Tissia Ayu Algary Titi tiara Anasstasia Titisari, Priza Tiara Trie Adelia Ambarwathy Vikahadi, Nanda Vuspita, Yuniarta Wenny Kartika Widyawanto Prastistho Winata, Lionesya Sukma Wirayuda, Bramantio Dzaki Wisanggeni, Galih Haryo Wisnu Aji Dwi Kristanto Yohana Nodarika Maharani Yohana Noradika Yohana Noradika Maharani Yohanes Ary Prayoga Yulinda Vikaya Putri Ady Rukmana Zulfa, Qonitina