Rainfall Intensity (I)–Duration (D) Induced Debris Flow Occurrences in Peninsular Malaysia

Kasim, Norhidayu; Taib, Kamaruddin Abu; Ghazali, Nuraffini; Azahar, Wan Nur Aifa Wan; Ismail, Norfarah Nadia; Husain, Nadiah Md.; Ramli, Ahmad Bukhari; Saad, Syed; Masjuki, Siti Aliyyah; Ibrahim, Saerahany Legori

doi:10.1007/978-3-030-32816-0_66

Cited by 4 publications

(4 citation statements)

References 17 publications

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“…al. [15] since both thresholds appeared in the same region. The Peninsular Malaysia threshold shows a greater threshold value compared to this study.…”

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 85%

“…As mentioned before, the Cameron Highlands threshold conquers the mid place in the comparison, where the third upper threshold is taken by Dahal and Hasegawa [6], Pereira and Zêzere [16] and Norhidayu et. al [15]. Meanwhile, the third lower is occupied by Aleotti [5], Guzzetti et al [14] and Caine [13].…”

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 97%

“…It is proven in this study, where Cameron Highlands possessed a prolonged period with a moderate rainfall intensity to cause slope failure. However, other regions in Peninsular Malaysia require short intense rainfall to trigger the landslides [15].…”

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 99%

“…Cameron Highlands shows a quite higher threshold, similar to the Peninsular Malaysia threshold in general. One of the reasons is that Malaysia experiences a monsoon season with a lot of rain annually causing a lot of landslide events [15]. Hence, the water requires more time to adequately seep into the soil with the thicker layer that it possesses to initiate the soil slips event.…”

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 99%

See 3 more Smart Citations

Empirically Based Rainfall Threshold for Landslides Occurrence in Cameron Highlands, Malaysia

Maturidi¹,

Kasim²,

Taib³

et al. 2020

cea

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“…al. [15] since both thresholds appeared in the same region. The Peninsular Malaysia threshold shows a greater threshold value compared to this study.…”

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 85%

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 97%

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 99%

Section: Comparison With Selected I-d Thresholds Worldwidementioning

confidence: 99%

See 2 more Smart Citations

Empirically Based Rainfall Threshold for Landslides Occurrence in Cameron Highlands, Malaysia

Maturidi¹,

Kasim²,

Taib³

et al. 2020

cea

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Debris Flow Induced by Heavy Rainfall in Hulu Terengganu: Hydrological and Geological Analysis

Ahmad,

Samad,

Yusof

et al. 2023

Water Resources Development and Management

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Empirically Based Rainfall Threshold for Landslides Occurrence in Peninsular Malaysia

et al. 2021

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Empirical rainfall thresholds for the purpose of shallow landslide forecasting are proposed for Peninsular Malaysia where numerous slope failures are reported due to the intense rainfall in conjunction with the humid tropical climate. Thirty-seven cases of landslide-triggering-rainfall were selected from 1993 to 2018 to identify the correlation between rainfall and shallow landslide through the analysis of specific rainfall events. The derived rainfall parameters were applied to establish two rainfall thresholds of (Imean-D) and (Imax-D) via practical methods. For the identical range of event duration 1 < D < 263 h, the (Imean-D) threshold formula was expressed as I = 17.5 D−0.722, while the (Imax-D) threshold was defined as I = 37.8 D−0.114. Both thresholds performed different functionalities with a primary goal of predicting shallow landslides. When both (Imean-D) and (Imax-D) thresholds were compared with the thresholds proposed by various studies worldwide, both dominated the upper positions. More rainfall is required for land sliding due to the high thickness of the Malaysian soil that is associated with the abundant tropical downpour. From the perspective of the antecedent, the period of prolonged precipitation or short heavy rainfall from 1 to 10 days can result in shallow landslides for Peninsular Malaysia. In the context of geology, the igneous rock type of granite has the highest susceptibility to the shallow landslide at 65%, despite other rock types of sedimentary and metamorphic. The threshold validation depicted all True Positive events for the (Imax-D) threshold, and one Negative False event for the (Imean-D) threshold. The (Imean-D) threshold was revised to acquire the new value, but it needed to deal with the possibility of False Alarm and the (Imax-D) threshold seemed to be more credible to represent the rainfall-induced shallow landslide threshold for Peninsular Malaysia.

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Rainfall Intensity (I)–Duration (D) Induced Debris Flow Occurrences in Peninsular Malaysia

Cited by 4 publications

References 17 publications

Empirically Based Rainfall Threshold for Landslides Occurrence in Cameron Highlands, Malaysia

Empirically Based Rainfall Threshold for Landslides Occurrence in Cameron Highlands, Malaysia

Debris Flow Induced by Heavy Rainfall in Hulu Terengganu: Hydrological and Geological Analysis

Empirically Based Rainfall Threshold for Landslides Occurrence in Peninsular Malaysia

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