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IJESD 2020 Vol.11(2): 99-105 ISSN: 2010-0264
doi: 10.18178/ijesd.2020.11.2.1233

Seasonal Hydrological Drought Indicator for Tropical Drought Identification

Kit Fai Fung, Yuk Feng Huang, and Chai Hoon Koo

Abstract—Drought’s frequency, duration and severity are essentials for impact control and mitigation of droughts. This paper adopts 3-month seasonal scale Streamflow Drought Index (SDI-3) to analyze these drought characteristics for the tropical climate at the Central, Southern and East Coast regions of Peninsular Malaysia in 1997-2016. The identified drought events were then evaluated using four major historical events from five different locations. The results showed that SDI-3 identified the occurrences of all reported drought events but with deviated onset and duration. However, the SDI-3 was concluded to be suitable for hydrological drought monitoring with reasons of increased temperature, groundwater and forest replenishment, and human factors. The spatial analysis on the drought characteristics also showed that most of the areas are more prone to short-term droughts, with relatively higher severity at north part of the Central Region, north-west part of the Southern Region and central part of the East Coast.

Index Terms—Drought characteristics, hydrological drought, spatial analysis, streamflow drought index, tropical climate.

Kit Fai Fung, Yuk Feng Huang, and Chai Hoon Koo are with the Civil Engineering Department, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Selangor, Malaysia (e-mail: kitfaifung@gmail.com, huangyf@utar.edu.my, kooch@utar.edu.my).


Cite: Kit Fai Fung, Yuk Feng Huang, and Chai Hoon Koo, "Seasonal Hydrological Drought Indicator for Tropical Drought Identification," International Journal of Environmental Science and Development vol. 11, no. 2, pp. 99-105, 2020.

Copyright © 2020 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

General Information

  • ISSN: 2010-0264 (Print); 2972-3698 (Online)
  • Abbreviated Title: Int. J. Environ. Sci. Dev.
  • Frequency: Bimonthly
  • DOI: 10.18178/IJESD
  • Editor-in-Chief: Prof. Richard Haynes
  • Managing Editor: Ms. Cherry L. Chen
  • Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc. 
  • E-mail: ijesd@ejournal.net

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