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All Journal Jurnal Geosaintek Jurnal Linears JURNAL ILMIAH GEOMATIKA Pena Teknik : Jurnal Ilmiah Ilmu-ilmu Teknik Journal of Civil Engineering and Planning (JCEP) Jurnal Peweka Tadulako Jurnal Geosaintek
Andi Idham Asman
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Mathematics Mechanical Engineering Transportation

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Water-Integrated Residential Morphology: An Adaptive Residential Area Model Based on Water Landscape as a Micro Flood Buffer Zone: (Case Study: Lere Permanent Settlement, Palu City) Darwis; Rifai Mardin; Andi Idham Asman; Budi Andresi
Jurnal Linears Vol. 9 No. 2 (2026): Jurnal LINEARS
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/h140d023

Abstract

The Lere Permanent Settlement (Huntap) in Palu City was constructed as a post-disaster response to the 2018 earthquake and tsunami. Although the settlement was designed to address seismic and tsunami risks, it has not adequately addressed hydrological threats such as local flooding and inundation. The settlement features a semi- enclosed topographic configuration with elevations of approximately 2. 2.5–4. 4.0 m, positioning it as a micro- catchment basin. This study aims to identify the hydromorphological characteristics of the Huntap Lere area and formulate a Water-Integrated Residential Morphology model as an adaptive, water-landscape-based residential-area model. The methods employed include spatial analysis based on a Digital Elevation Model (DEM) through watershed delineation, topographic analysis, and multi- scenario inundation simulation across six discharge variations (0, 0.5–3. 0 m ³/s) using a two- dimensional (2 D) unsteady- flow hydrodynamic model in HEC- RAS; the hydraulic outputs were then translated into design criteria through a depth–velocity flood hazard classification and a parameter–design translation matrix. Analysis results indicate that the area is situated within an approximately 91. 66- hectare catchment system and functions as a receiving and attenuation zone. Inundation simulations yielded a maximum depth of 0. 0.6 m with very low flow velocity (≈0.12 m/s), while water surface elevation rose gradually to approximately 2.67 m. These conditions indicate that the settlement naturally functions as a micro- flood buffer zone. Based on these findings, a Water- Integrated Residential Morphology model was developed, integrating the principles of Water Sensitive Urban Design (WSUD), landscape urbanism, resilient urbanism, and stilt house typology into the settlement morphology; the model is spatially expressed as five zones: stilt residential clusters with floor levels above the maximum water surface elevation, floodable open spaces, flow- aligned streets with bioswales, a retention wetland in the lowest depressions, and a controlled outlet. This model offers a design approach that treats local hydromorphological characteristics as an asset rather than a threat, enabling the settlement to function as both a living environment and a sustainable water-management system.
Co-Authors Aldiansyah, Farhan Budi Andresi Darwis Despry Nur Annisa Ahmad, Despry Nur Annisa Dzulqarnain Aras Farhan Aldiansyah Harry Hardian Sakti Harry Hardian Sakti Ishak, Ismah Pudji Rahayu Isma Pudji Rahayu Ishak Isra, Muhammad Kausar, Aksar Muhammad Isra Musdalifah Rahman Nurul Wahyuni Rasdiana Rasdiana Rifai Mardin Sakti, Harry Hardian Siti Fatimah Umamit Supriadi Takwim Syamsiar, Syamsiar Yan Radhinal