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All Journal JUTEKS - Jurnal Teknik Sipil Media Ilmiah Teknik Sipil
Nama, Arnoldus
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Pemetaan Zona Bahaya Banjir dengan Pemodelan Hidrodinamik dan Geographic Information System (GIS) di DAS Noelamabi Hilir Kabupaten Kupang Nama, Arnoldus; Fallo, Yunus; Hayer, Yacob Victor
JUTEKS : Jurnal Teknik Sipil Vol 9 No 2 (2024): JUTEKS (Jurnal Teknik Sipil)
Publisher : P3M- Politeknik Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32511/juteks.v9i2.1331

Abstract

Daerah aliran sungai (DAS) Noelamabi merupakan salah satu daerah yang terdampak genangan banjir tahun 2021 akibat siklon tropis Seroja. Banjir akibat siklon tropis Seroja merusak sejumlah rumah di sepanjang bantaran sungai khususnya bagian hilir DAS. Tujuan dari penelitian ini adalah untuk membuat peta zona terdampak genangan banjir di bagian hilir DAS Noelamabi dengan sistem informasi geografis (GIS) dan model hidrodinamik Hec-RAS. Citra DEMNAS digunakan sebagai parameter utama untuk menghasilkan data seperti jaringan sungai, batas daerah aliran sungai, garis tanggul sungai, jalur aliran, dan nilai kekasaran Manning’s. Prediksi debit banjir puncak periode ulang 25, 50 dan 100 tahun menggunakan Hidrograf satuan sintetik (HSS) Nakayatsu. Hasil simulasi model HEC-RAS menunjukkan daerah yang terdampak genangan banjir luasannya tidak signifikan dan hanya berada di bagian hilir sungai dekat muara. Hanya 2 (dua) Desa atau Kelurahan terdampak genangan yaitu Kelurahan Oesao dan Kelurahan Babau. Luas daerah terdampak genangan banjir untuk masing-masing periode ulang 25 tahun, 50 tahun dan 100 tahun adalah 175,659 ha, 275,535 ha dan 365,167 Ha.
Optimalisasi Drone Dan GIS Untuk Pemetaan Wilayah Dan Penegasan Alamat Di Kelurahan Pasir Panjang, Kota Kupang: Optimization Of Drones And GIS For Area Mapping And Address Affirmation In Pasir Panjang Village, Kupang City Hayer, Yacob Victor; Nama, Arnoldus; Jawal Nope, Fabi
Media Ilmiah Teknik Sipil Vol. 13 No. 2 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of drone technology and Geographic Information Systems (GIS) has provided new opportunities in mapping and address verification. This study aims to optimize the use of drones and GIS for regional mapping and address confirmation in Pasir Panjang, Kupang City. The methodology includes collecting spatial and attribute data, processing aerial imagery using photogrammetric software, and creating geospatial maps with attribute information. The study identifies key challenges such as the lack of standardized address naming, unnumbered buildings, and unclear administrative boundaries. The results highlight the effectiveness of drone-integrated GIS in producing accurate and up-to-date geospatial data, supporting urban planning and public services. This research also provides recommendations for policy improvements in address standardization and urban management in Kupang City.
Prediksi Erosi dan Sedimentasi pada Daerah Tangkapan Air Bendungan Rotiklot dengan Model Soil And Water Assessment Tool (SWAT): Prediction Of Erosion And Sedimentation In The Catchment Area Of The Rotiklot Dam Using Soil And Water Assessment Tool (Swat) Nama, Arnoldus; Loden, Onisius; Fallo, Dedy Ardianto; Daga, Welem Malo Wunda Lero
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.10018

Abstract

The Rotiklot Dam Catchment Area is located in Belu Regency, East Nusa Tenggara Province. This research aims to forecast the rates of erosion and sedimentation utilizing the Soil and Water Assessment Tool (SWAT) method, as well as to assess the levels of erosion hazard present. According to the modeling outcomes, the average annual erosion rate within the Rotiklot Dam Catchment Area is calculated to be 18.5 tons/ha/year. The erosion hazard assessment indicates that the land within the Rotiklot Catchment Area is classified into two categories of erosion hazard levels: moderate and severe. Specifically, the area classified as having a moderate erosion hazard level encompasses 549.55 hectares, while the area categorized as having a severe erosion hazard level covers 587.55 hectares. The modeling results indicate that the average annual sediment discharge at the outlet of the catchment area leading to the dam is 1,865.75 tons per year. Over the course of the 28-year simulation period, the cumulative sediment total amounts to 106,317.1 tons.
Co-Authors Daga, Welem Malo Wunda Lero Fallo, Dedy Ardianto Hayer, Yacob Victor Jawal Nope, Fabi Loden, Onisius Yunus Fallo