Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model

Since flood disasters bring significant consequences to communities, it is essential to identify effective ways to reduce flood risks. This study aims to develop a flood hazard map for the Kelantan floodplain using a two-dimensional hydraulic modelling technique, integrating HEC-RAS and ArcGIS. Find...

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Main Authors: See, Too Kay Leng, Mokhtar Jaafar, Mohd Ridhuan Mohd Jamil, Risa Novia Wati, Frankie Marcus Ata
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2025
Online Access:http://journalarticle.ukm.my/25490/
http://journalarticle.ukm.my/25490/1/1_17.pdf
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author See, Too Kay Leng
Mokhtar Jaafar,
Mohd Ridhuan Mohd Jamil,
Risa Novia Wati,
Frankie Marcus Ata,
author_facet See, Too Kay Leng
Mokhtar Jaafar,
Mohd Ridhuan Mohd Jamil,
Risa Novia Wati,
Frankie Marcus Ata,
author_sort See, Too Kay Leng
building UKM Institutional Repository
collection Online Access
description Since flood disasters bring significant consequences to communities, it is essential to identify effective ways to reduce flood risks. This study aims to develop a flood hazard map for the Kelantan floodplain using a two-dimensional hydraulic modelling technique, integrating HEC-RAS and ArcGIS. Findings indicate that the Kelantan floodplain is highly exposed to severe flood hazards, with a 200-year return period discharge of 17,278.7 m³/s. The results show that high-impact areas will experience severe consequences, such as house demolitions, financial losses, and psychological trauma. This study not only analyses past flood events but also predicts future flood risk zones. The findings are crucial for enhancing community preparedness by providing a comprehensive flood hazard map, which can assist in pre-disaster planning, disaster response, and post-disaster recovery to help sustain community well-being.
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spelling oai:generic.eprints.org:254902025-07-08T02:03:24Z http://journalarticle.ukm.my/25490/ Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model See, Too Kay Leng Mokhtar Jaafar, Mohd Ridhuan Mohd Jamil, Risa Novia Wati, Frankie Marcus Ata, Since flood disasters bring significant consequences to communities, it is essential to identify effective ways to reduce flood risks. This study aims to develop a flood hazard map for the Kelantan floodplain using a two-dimensional hydraulic modelling technique, integrating HEC-RAS and ArcGIS. Findings indicate that the Kelantan floodplain is highly exposed to severe flood hazards, with a 200-year return period discharge of 17,278.7 m³/s. The results show that high-impact areas will experience severe consequences, such as house demolitions, financial losses, and psychological trauma. This study not only analyses past flood events but also predicts future flood risk zones. The findings are crucial for enhancing community preparedness by providing a comprehensive flood hazard map, which can assist in pre-disaster planning, disaster response, and post-disaster recovery to help sustain community well-being. Penerbit Universiti Kebangsaan Malaysia 2025-02-14 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/25490/1/1_17.pdf See, Too Kay Leng and Mokhtar Jaafar, and Mohd Ridhuan Mohd Jamil, and Risa Novia Wati, and Frankie Marcus Ata, (2025) Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model. Geografia : Malaysian Journal of Society and Space, 21 (1). pp. 1-17. ISSN 2682-7727 http://ejournal.ukm.my/gmjss/index
spellingShingle See, Too Kay Leng
Mokhtar Jaafar,
Mohd Ridhuan Mohd Jamil,
Risa Novia Wati,
Frankie Marcus Ata,
Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title_full Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title_fullStr Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title_full_unstemmed Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title_short Developing flood hazard maps for the Kelantan floodplain using the HEC-RAS 2D model
title_sort developing flood hazard maps for the kelantan floodplain using the hec-ras 2d model
url http://journalarticle.ukm.my/25490/
http://journalarticle.ukm.my/25490/
http://journalarticle.ukm.my/25490/1/1_17.pdf