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All Journal Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Teknik Pengairan: Journal of Water Resources Engineering
Katminto, Katminto
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Pemetaan Zonasi Banjir Bandang Menggunakan Metode Frekuensi Rasio dan Weight of Evidence di Sumberjambe Jember Amiluddin, Afif; Derka, Icha Tatrisya; Faradella, Maulida; Sugianti, Devi Hanurani; Katminto, Katminto; Novita, Elida; Hidayah, Entin
Teknotan: Jurnal Industri Teknologi Pertanian Vol 20, No 1 (2026): TEKNOTAN, April 2026
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol20n1.13

Abstract

Bencana banjir bandang di kecamatan Sumberjambe mengakibatkan kerusakan saluran air bersih bagi masyarakat. Kondisi tersebut menunjukan perlunya informasi area yang aman untuk pemasangan pipa air bersih. Hal ini menunujukan  diperlukannya informasi mengenai zonasi area banjir bandang, sebagai bentuk antisipasi dan mitigasi supaya tidak berdampak serupa dan mengurangi potensi korban jiwa. Tujuan umum Penelitian ini adalah membuat peta zonasi bencana banjir bandang berbasis Sistem Informasi geografis (SIG) dan Penginderaan Jauh. Tujuan Khusus penelitian mencakup, Identifikasi dan inventarisasi data berbasis survei lapangan dan penginderaan jauh. Menentukan faktor alam yang berpengaruh yaitu, Elevasi, Kemiringan Tanah, Indeks kesehatan tanaman (NDVI), Tataguna Lahan, Jarak Terhadap Sungai, Kepadatan Sungai, dan Indeks Kelembapan Topografi (TWI). Menentukan faktor yang memiliki kontribusi besar terhadap kejadian  menggunakan statistik bivariat Frekuensi Rasio (FR) dan Weight of Evidence (WoE). Penelitian ini terdiri dari survei lapangan kejadian banjir bandang, pembagian sampel, inventarisasi data faktor, perhitungan bobot faktor, perhitungan faktor dan Analisis Area Under the Curve (AUC). Hasil evaluasi AUC menunjukan tingkat akurasi FR 0.96 dan WoE0.82, FR menghasilkan model dengan akurasi yang lebih baik di wilayah studi.
Analysis of Clean Water Availability in Batas Hamlet and Tol-tol Hamlet, Pringgondani Village, Sumberjambe District Tatrisya Derka, Icha; Amiluddin, Afif; Faradella, Maulida; Katminto, Katminto; Hanurani, Devi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 17 No. 1 (2026)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2026.017.01.8

Abstract

Flash floods in Pringgondani Village have caused significant damage to infrastructure, including disruptions to the clean water supply, thereby affecting environmental, economic, and social conditions. Limited access to safe water poses serious public health risks; therefore, mitigation efforts are essential to enhance the resilience of the water supply system. This study aims to project water demand over the next ten years and to determine the required reservoir storage capacity. A quantitative descriptive approach with community participation was employed, incorporating water demand projections based on population growth and rainfall analysis using a simple runoff method to estimate water availability. The results indicate that the projected water demand over the next ten years will reach 854,012.1 L/day for a population of 7,189 inhabitants. The analysis also shows that the required storage volume for Batas and Tol-tol hamlets is 9.96 m³, while the total reservoir capacity required for Pringgondani Village is approximately 79.75 m³. To ensure an adequate and reliable water supply, the required storage can be achieved by constructing three reservoirs, each measuring 3 m × 3 m × 3 m, providing a total storage capacity of 81 m³, which is sufficient to meet the projected demand. Currently, only two reservoirs with a total capacity of 54 m³ are available, which is insufficient for future demand. Therefore, one additional reservoir supported by a larger-capacity water source is recommended to improve system reliability, meet future demand, reduce the impacts of dry seasons, and provide backup capacity during emergencies such as flash floods.
Co-Authors Afif Amiluddin Derka, Icha Tatrisya Elida Novita Entin Hidayah Faradella, Maulida Hanurani, Devi Sugianti, Devi Hanurani Tatrisya Derka, icha