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Pemodelan Nilai Koefisien Manning Terhadap Karakteristik Hidraulika Dalam Simulasi Banjir Menggunakan HEC-RAS Pada DAS Landak, Kalimantan Barat Laily Fadhilah Sabilal Haque; Irene Yovita Br. Banurea; Arina Mana Sikana; Rian Mantasa Salve Prastica
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.3106

Abstract

Floods are a serious problem for many countries in the world, including the Landak Regency, West Kalimantan, Indonesia. The floods in the area is a disaster situation for the local community. This study aims to determine the magnitude of the design flood discharge in the study area and to offer alternative scenarios solution for solving floods problem. The research method is in the form of numerical analysis with formulas as well as application assistance to describe the visualization of the situation, starting from watershed analysis, hydrological and hydraulic calculations, and numerical modeling for visualization of water level using HEC-RAS software. Based on the secondary data, the analysis of rainfall for the 50 years return period in a Nakayasu flood discharge is 13884.02 m³/second. This value are then used for simulation in the HEC-RAS application. The scenario used during the simulation is the steady flow. The simulation results are useful for describing the choice of problem solutions that will be determined at the end of the research.
Pemodelan Nilai Koefisien Manning Terhadap Karakteristik Hidraulika Dalam Simulasi Banjir Menggunakan HEC-RAS Pada DAS Landak, Kalimantan Barat Laily Fadhilah Sabilal Haque; Irene Yovita Br. Banurea; Arina Mana Sikana; Rian Mantasa Salve Prastica
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.3106

Abstract

Floods are a serious problem for many countries in the world, including the Landak Regency, West Kalimantan, Indonesia. The floods in the area is a disaster situation for the local community. This study aims to determine the magnitude of the design flood discharge in the study area and to offer alternative scenarios solution for solving floods problem. The research method is in the form of numerical analysis with formulas as well as application assistance to describe the visualization of the situation, starting from watershed analysis, hydrological and hydraulic calculations, and numerical modeling for visualization of water level using HEC-RAS software. Based on the secondary data, the analysis of rainfall for the 50 years return period in a Nakayasu flood discharge is 13884.02 m³/second. This value are then used for simulation in the HEC-RAS application. The scenario used during the simulation is the steady flow. The simulation results are useful for describing the choice of problem solutions that will be determined at the end of the research.
Legal Protection Of Land Ownership Rights In Coastal Areas Affected By Abrasion: Climate Change, Coastal Border Regime, and Tenure Uncertainty In Indonesia Syirfan, Muhammad Addi; D. Djunaedi; Putri Fakhis , Adinda Zeranica; Laily Fadhilah Sabilal Haque
Al-Adalah: Jurnal Hukum dan Politik Islam Vol.11 No.1 (2026)
Publisher : Program Studi Hukum Tata Negara, Fakultas Syariah dan Hukum Islam IAIN Bone

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30863/ajmpi.v11i1.11328

Abstract

Global climate change, which has triggered sea level rise and extreme abrasion, now poses a real threat to the stability of property rights regimes in coastal areas. This study offers a theoretical contribution to the agrarian law discourse by analyzing the failure of the static legal paradigm in dealing with the dynamics of natural change. Focusing on the city of Pekalongan, Indonesia, this study uses a socio-legal approach that synthesizes normative analysis, empirical field data, and Geographic Information System (GIS) mapping to reveal the legal tension between property certificate holders and the designation of coastal zones. The findings show that the current legal regime suffers from acute sectoral fragmentation; on the one hand, it recognizes the existence of property rights administratively, but on the other hand, it affirms their function through ecological coastal zone policies. This inconsistency creates legal bias against coastal residents. This study argues that the current legal protection model is still inadequate and that there is an urgent need for reconstruction towards an adaptive legal framework. Although some legal protections are in place, they are still insufficient to provide legal certainty for communities and ecological justice. The international relevance of this research lies in offering solutions for island nations in managing tenure conflicts on coastlines that are constantly changing due to the global climate crisis