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Journal : Sustainable Civil Building Management and Engineering Journal

Retention Basin for Flood Mitigation (Case Study: Magetan Regency) Handayani, Marita Putri; Hadiani, Rr. Rintis; Solichin, Solichin
Sustainable Civil Building Management and EngineeringĀ Journal Vol. 1 No. 4 (2024): October
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/scbmej.v1i4.2718

Abstract

Flooding is a natural event that often occurs in Indonesia. Magetan Regency has several areas drained by various rivers that have the potential to cause flooding problems in the event of high rainfall. Hydrological analysis is needed to determine the various rivers that are potentially unable to accommodate water capacity due to high rainfall, causing flooding problems. Thus, research aims to assess flood mitigation control based on a 25-year return period flood discharge (Q25) using the HSS Snyder method and HEC-HMS software. The flood inundation area due to river runoff is analysed using HEC-RAS 6.4.1 software using a 25-year return period discharge (Q25). This research uses retention basin as one of the efforts in flood mitigation, reducing the amount of flood inundation that occurs by using embankment planning. Retention basin is a water structure that functions to collect rainwater and water runoff to reduce flooding. Retention basin is one of the important steps in the flood inundation that occurred in Magetan Regency using HEC-RAS 6.4.1 software analysis was 3,75 km2. The largest flood inundation occurred in Kartoharjo District with an area 1,31 km2. The design of the Kartoharjo Retention Basin in Magetan Regency can reduce the flood inundation area by 22% to 2,94 km2.
Co-Authors A.A. Ketut Agung Cahyawan W Aditama, Festy Agus Hari Wahyudi Agus Wahyudi Ahmad BS, Abdul Ghoffar Andromeda, Virdya Nurlaily Ardiputro, Riyan Arin, Rifka Annisa Avicenna, Andi Khalifa Bayu, Ridwan Kresna Dananjaya Hesti I, Raden Harya Dananjaya Hesti I, Raden Harya Dwi Utami Dwinanda, Ramadhani Febrian Eko Prasetyo, Heri Eko Yulianto, Frandy Eratika Ginting, Jonas Ery Suryo Kusumo Fidiawan, Nuansah Firmanda, Yopi Adi Handayani, Marita Putri Ishadi, Nabilla Khairunnisa Jadmiko, Sigit Jadmiko, Sigit Jayanti, Vicky Tri Jayanti Kundarto, Rahmat Kundarto, Rahmat Kurniawan, Fendika Titok Kurniawan, Pengkuh Jalu Kurniawan, Riswandha Dwi Laksono Trisnantoro Muttaqien, Adi Yusuf Natanhia, Belinda Rosa Natanhia, Belinda Rosa Pediano, Dhiky Pratama, Bagas Hendi Pratama, Bayu Yoga Purnomo Putro, Julian Wahyu Purwantoro, Bagas Dwi Putri, Elsa Sellyana Raden Harya Dananjaya, Raden Harya Rafdi, Muhammad Abi Rahadi, Rizky Setyo Rahmawati RW, Esthi Raka Buana, Muhammad Zean Raka Buana, Muhammad Zean Rakhmawati, Tsani RW, Esthi Rahmawati Saido, Agus P. Saido, Agus P. Saido, Agus Prijadi Setia Aji, Dewanti Anggit setiono setiono Setiono Setiono Shakti, Danang Wibawa Sholi, Imam Nor Sobriyah Sobriyah Solichin Solichin Suncaka, Bintang Suryandari, Endah Sitaresmi Suryandari, Endah Sitaresmi Susilowati Susilowati Suyanto Suyanto Tarigan, Berklyson Utomo, Edo Suryo Wahyu, Destiana Wardanu, Hanif Satria Wardhani, Putri Pramudya Waskito, Sigit Nur Wibisono, Chandra Wicaksana, Chrisna Justice Wicaksanti, Warakesthi Rahayu Zahari, Renalvin