Ahmad Legiman, Mariatul Kiftiah and Mohamad, Edy Tonnizam and Abang Hasbollah, Dayang Zulaika and Eka Kusmawati Suparmanto, Eka Kusmawati Suparmanto and Rathinasamy, Vynotdni (2023) Contributing factors in initiation of debris flow in Malaysia. Physics and Chemistry of the Earth, 129 (NA). NA. ISSN 1474-7065
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Official URL: http://dx.doi.org/10.1016/j.pce.2022.103301
Abstract
Debris flow caused high number of deaths among many of geohazard events in Malaysia due to the characteristics of sudden outburst and high energy density. This paper reviewed the initial mechanism and characteristics of existing debris flow in Malaysia. Almost all debris flows occurrence were initiated on natural terrains as opposed to other forms of landslides. Most of the events were induced by the rainfall. This is due to the geographic locations of Malaysia that lies on the equator with tropical climates and received abundant rainfall of 2400 mm annually. Intense and heavy rainfall increases the water content and pore water pressures within the residual soil that could trigger landslides. Thus, an intense and prolonged rainfall has become the major triggering factor for debris flow. This review article focus on clarifies the characterization of historical debris flow events that had an impact the infrastructure in Malaysia. In summary, this review attempts to systematically summarize the existing research on the mechanism of debris flow in Malaysia to provide further reference on debris flow prevention. Comprehensive understanding of the mechanisms and the behaviour of the debris flow will assist to the fundamental hazard and provide proper planning for structural measures.
Item Type: | Article |
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Uncontrolled Keywords: | cascading process, climate change, geohazards, rainfall intensity, tropical climate |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
Divisions: | Civil Engineering |
ID Code: | 106265 |
Deposited By: | Yanti Mohd Shah |
Deposited On: | 20 Jun 2024 03:06 |
Last Modified: | 20 Jun 2024 03:06 |
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