Preprints
https://doi.org/10.5194/nhess-2021-176
https://doi.org/10.5194/nhess-2021-176
17 Jun 2021
 | 17 Jun 2021
Status: this preprint has been withdrawn by the authors.

Hydrological Drought across Peninsular Malaysia: Implication of drought index

Hasrul Hazman Hasan, Siti Fatin Mohd Razali, Nur Shazwani Muhammad, and Asmadi Ahmad

Abstract. Drought is considered a damaging natural disaster for economic, societal, and ecological impacts. The challenge of drought is to determine the drought characteristics, frequency, duration and severity, vital for drought's impact control and mitigation strategies. This paper adopts the spatial pattern of Streamflow Drought Index (SDI) for three, six, nine and twelve months for the tropical climate at Peninsular Malaysia. About 40 years of daily streamflow data based on 42 hydrological discharge stations were analyzed to obtain these indices. The area under drought stress during the study period at different time scales is stable and approximately 24 % of the total area. The years 1997–1999, 2002 and 2016–2018 mark the most critical drought years, with more than 48 % of the entire basin area under hydrological drought. According to the spatial evaluation of drought characteristics, short-term droughts are frequent in most regions, with relatively high severity and frequency in Northeast and Southeast of Peninsular Malaysia, where the maximum frequency reached 35.7 % and 42.8 %, respectively. This outcome emphasizes the importance and necessity of the basin's drought action strategies. Early detection of a probable hydrological drought can improve in the implementation of drought prevention or mitigation strategies.

This preprint has been withdrawn.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Hasrul Hazman Hasan, Siti Fatin Mohd Razali, Nur Shazwani Muhammad, and Asmadi Ahmad

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-176', Marios Spiliotopoulos, 25 Jun 2021
    • AC1: 'Reply on RC1', Hasrul Hazman Hasan, 02 Aug 2021
  • RC2: 'Comment on nhess-2021-176', Anonymous Referee #2, 06 Jul 2021
    • AC2: 'Reply on RC2', Hasrul Hazman Hasan, 17 Aug 2021
  • RC3: 'Comment on nhess-2021-176', Anonymous Referee #3, 10 Jul 2021
    • AC3: 'Reply on RC3', Hasrul Hazman Hasan, 17 Aug 2021
  • RC4: 'Comment on nhess-2021-176', Anonymous Referee #4, 12 Jul 2021
    • AC4: 'Reply on RC4', Hasrul Hazman Hasan, 17 Aug 2021
  • RC5: 'Comment on nhess-2021-176', Anonymous Referee #5, 14 Jul 2021
    • AC5: 'Reply on RC5', Hasrul Hazman Hasan, 17 Aug 2021

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-176', Marios Spiliotopoulos, 25 Jun 2021
    • AC1: 'Reply on RC1', Hasrul Hazman Hasan, 02 Aug 2021
  • RC2: 'Comment on nhess-2021-176', Anonymous Referee #2, 06 Jul 2021
    • AC2: 'Reply on RC2', Hasrul Hazman Hasan, 17 Aug 2021
  • RC3: 'Comment on nhess-2021-176', Anonymous Referee #3, 10 Jul 2021
    • AC3: 'Reply on RC3', Hasrul Hazman Hasan, 17 Aug 2021
  • RC4: 'Comment on nhess-2021-176', Anonymous Referee #4, 12 Jul 2021
    • AC4: 'Reply on RC4', Hasrul Hazman Hasan, 17 Aug 2021
  • RC5: 'Comment on nhess-2021-176', Anonymous Referee #5, 14 Jul 2021
    • AC5: 'Reply on RC5', Hasrul Hazman Hasan, 17 Aug 2021
Hasrul Hazman Hasan, Siti Fatin Mohd Razali, Nur Shazwani Muhammad, and Asmadi Ahmad
Hasrul Hazman Hasan, Siti Fatin Mohd Razali, Nur Shazwani Muhammad, and Asmadi Ahmad

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Latest update: 18 May 2024
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This preprint has been withdrawn.

Short summary
This study emphasizes the importance of selecting an appropriate time scale in drought assessment. The calculation of SDI from different time scales in this study can represent the spatial and temporal distribution characteristics of hydrological drought in Peninsular Malaysia.
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