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All Journal Media Teknik Sipil Jurnal Mahasiswa Jurusan Teknik Sipil Journal of Degraded and Mining Lands Management Jurnal Tata Kota dan Daerah Jurnal Teknik Pengairan: Journal of Water Resources Engineering Rekayasa Sipil AGRIVITA, Journal of Agricultural Science Civil and Environmental Science Journal (CIVENSE) Astonjadro Journal of Novel Engineering Science and Technology
Agus Suharyanto
Department of Civil Engineering, University of Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Environmental Science Mechanical Engineering Social Sciences Transportation

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Journal : Journal of Novel Engineering Science and Technology

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Flood Inundation Mapping Based on Land Use and Land Cover Change in Jatiroto Watershed, Lumajang, Indonesia Syafa, Nabilla; Suharyanto, Agus; Wijatmiko, Indradi
Journal of Novel Engineering Science and Technology Vol. 5 No. 01 (2026): Journal of Novel Engineering Science and Technology
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/jnest.v5i01.1279

Abstract

Floods are one of the most frequent natural disasters and cause considerable economic, infrastructure, and social losses, especially in areas experiencing land use/land cover change (LULC). In this study, we use GeoHECRAS and GIS to model the flood risk due to historic land use changes in the Jatiroto watershed (DAS Jatiroto) in Lumajang (East Java, Indonesia). The study evaluates the consequences of land-cover conversion between 1995 and 2023 on flood processes, including the variations of flood extent, depth, and duration. Rainfall, land use, soil types, and topography data were used to construct the flood prediction model, and the model was validated with historical flooding events. The findings indicate that the flood area is found to have increased substantially from 12.22% in 1995 to 15.66% in 2023. Moreover, flood depth was also raised, particularly in areas with urban and agricultural expansion.  The research emphasizes that land-use changes play a significant role in raising the flood risk and that GeoHECRAS can simulate the flood incidences. These results can be useful for the optimization of flood disaster management and prevention in the rapidly urbanizing areas. More robust flood risk management strategies could be developed if the effects of climate change were taken into account in future studies on flood risk modeling simulations.
Effect of Land Use and Land Cover Change on Inundation and Flood Loss Value in Lumajang District Athallah, Regina Salsabila; Suharyanto, Agus; Wijatmiko, Indradi
Journal of Novel Engineering Science and Technology Vol. 5 No. 01 (2026): Journal of Novel Engineering Science and Technology
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/jnest.v5i01.1281

Abstract

This study examines the relationship between land cover change and the extent of inundation and the value of economic losses due to flooding in Lumajang district in 1995, 2014, and 2023. Using a spatial approach based on satellite imagery and hydraulic simulation, as well as the ECLAC method in calculating losses, this study shows that the loss of natural land cover, such as forests and wetlands, as well as the expansion of residential areas, contributed significantly to the increase in inundation intensity and economic losses. These findings are important for spatial planning that is adaptive to hydrometeorological disaster risks. In addition, this research also supports the implementation of mitigation policies based on spatial and hydrological data that are appropriate to the conditions of the Jatiroto watershed.
Co-Authors A'izzatul Khiyana Achendri M. Kurniawan Achmad Wicaksono Akhriadi, Akhriadi Ali Abdullah, Ali Alwafi Pujiraharjo Anandia, Reza Arief Rachmansyah Athallah, Regina Salsabila Beselly Putra, Sebrian Mirdeklis Birka, Ahmam Budi Sugiarto Waluyo Cahya, Utik Tri Wulan Dwi Yanti, Anggi Ayu Eko Andi Suryo Emma Irawati Ery Suhartanto Gholiqul Amrodh Alawy Gustianto, Garindra Harnen Sulistio Hartasantoso, Fakhrul Ibrahim, Tsabita Imania Ilham Adam Admaja Indradi Widjatmiko Indradi Wijatmiko Irvania, Artya Ludfi Djakfar Lutfi Djakfar M. Bisri M. Hamzah Hasyim M. Ruslin Anwar M. Zainul Arifin Muhammad Hafis Adli Rahman, Muhammad Hafis Nuzul Wahyunita R, Nuzul Pamungkas, Harya Panji Saputra, Cita Ahmat Pudjiraharjo, Alwafi Pudyono . Puspa Permanasari Rina Puspita Wahyuningaji, Rina Puspita Rumatarai, Marthina Hermina Syafa, Nabilla Waego Hadi Nugroho Wani Hadi Utomo Wicaksono ., Wicaksono Wiguna, Raynaldy Arya Yatnanta Padma Devia Yulvi Zaika