Original Research

An analysis of physical vulnerability to flash floods in the small mountainous watershed of Aceh Besar Regency, Aceh province, Indonesia

A. Azmeri, Amir H. Isa
Jàmbá: Journal of Disaster Risk Studies | Vol 10, No 1 | a550 | DOI: https://doi.org/10.4102/jamba.v10i1.550 | © 2018 A. Azmeri, Amir H. Isa | This work is licensed under CC Attribution 4.0
Submitted: 05 October 2017 | Published: 26 April 2018

About the author(s)

A. Azmeri, Department of Civil Engineering, Syiah Kuala University, Indonesia
Amir H. Isa, Regional Office of Public Works, Division of Irrigation, Indonesia


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Abstract

Vulnerability is a loss rate perceived from elements at risk owing to the impact of hazards on determined magnitude and frequency. Vulnerability assessment of elements at risk is a critical component in the risk assessment framework. Considerable studies regarding flash floods have been conducted, but the depth of information on vulnerability is still limited. This study presents a model of the physical vulnerability of buildings caused by the incidence of flash floods, which is strengthened through intensity of the impact process and loss. This model used a non-linear regression approach using behavioural data in the form of the propagation height of the flood. The order-2 polynomial distribution can represent the relationship between the magnitudes of the best process and loss rate. The results are the risk assessments of an exposed area in mitigation strategies.

Keywords

flash floods; physical vulnerability; loss rate; intensity of the process

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