Investigation of flash flood over the west Peninsular Malaysia by global positing system network

Wayan Suparta, Rosnani Rahman, Mandeep Singh Jit Singh, Mohd Talib Latif

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Flash flood hazard in Klang Valley becomes an annual problem among urban folks, especially during the winter monsoon. Three cases of flash flood have been identified in 2013 as a case 1 for 1 September, case 2 for 31 October and case 3 for 13 December. This paper discussed a variation of Global Positing System (GPS) Precipitable Water Vapor (PWV) responses to the amount of rainfall within pre, during and post of the flash flood event. Surface meteorological data from three meteorological stations were interpolated to the three GPS stations to accurately measure the PWV. The analyses revealed that the trend of GPS PWV was observed highest during the phase of flash flood, of which preceded by an extreme minimum peak in two to three days before the incident. The study also found a high level of GPS PWV was associated with the frequency of rainfall and spatial distribution of precipitation. The highest total of calm and light air were also contributed to the flash flood hazard. Based on the case studies, the high level of GPS PWV and wind gusts found contributed to the chance of flash flood disaster over the Klang Valley.

Original languageEnglish
Pages (from-to)153-157
Number of pages5
JournalAdvanced Science Letters
Volume21
Issue number2
DOIs
Publication statusPublished - 2015

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Malaysia
flash flood
Flash
precipitable water
Water Vapor
Steam
natural disaster
Water vapor
water vapor
water
Rainfall
Hazard
Rain
Hazards
hazard
valley
rainfall
gust
Precipitation (meteorology)
Disasters

Keywords

  • Flash flood
  • Global positioning system
  • Klang valley
  • Precipitable water vapor

ASJC Scopus subject areas

  • Engineering(all)
  • Environmental Science(all)
  • Computer Science(all)
  • Energy(all)
  • Mathematics(all)
  • Health(social science)
  • Education

Cite this

Investigation of flash flood over the west Peninsular Malaysia by global positing system network. / Suparta, Wayan; Rahman, Rosnani; Jit Singh, Mandeep Singh; Latif, Mohd Talib.

In: Advanced Science Letters, Vol. 21, No. 2, 2015, p. 153-157.

Research output: Contribution to journalArticle

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