Characterization of heat waves

A case study for peninsular Malaysia

Wayan Suparta, Ahmad Norazhar Mohd Yatim

Research output: Contribution to journalArticle

Abstract

The present work aims to investigate the characteristics of heat waves in Peninsular Malaysia based on the Excess Heat Factor (EHF) Index. This index was calculated based on the daily maximum and minimum temperatures over nine meteorological stations in Peninsular Malaysia during the period 2001 to 2010. The selected station is representing all of the states in Peninsular Malaysia. Statistical analysis found that the highest of the EHF happened at the Kuala Lumpur station in 2002 with an index of 9.1°C2 and the lowest was in Alor Setar in 2006 with an index of 0.1°C2. The EHF moderate was found at Kuantan with an index of 4.2°C2. Moreover, the longest heat wave with 24 days has happened in Ipoh, Perak with amplitude of 29.4°C – 33.0°C. Most of the heat wave characterized in Malaysia occurred during the El Nino events especially moderate El Nino in 2002 until 2005, and 2010. The Southeast, northeast and west part of Malaysia experience the highest average heat wave activity. These results indicated that the heat wave conditions in Peninsular Malaysia are anxious and this requires immediate investigation because it has a direct impact on agriculture, particularly health, economic, and human being.

Original languageEnglish
Pages (from-to)146-155
Number of pages10
JournalGeographia Technica
Volume14
Issue number1
DOIs
Publication statusPublished - 1 Mar 2019
Externally publishedYes

Fingerprint

heat
Malaysia
El Nino
statistical analysis
index
heat wave
Hot Temperature
agriculture
Agriculture
Statistical methods
Thermodynamic properties
economics
Health
station
Economics
temperature
human being
event
health
experience

Keywords

  • Characteristics
  • Climate change
  • Excess heat factor
  • Heat wave
  • Peninsular Malaysia

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Earth-Surface Processes
  • Computers in Earth Sciences

Cite this

Characterization of heat waves : A case study for peninsular Malaysia. / Suparta, Wayan; Yatim, Ahmad Norazhar Mohd.

In: Geographia Technica, Vol. 14, No. 1, 01.03.2019, p. 146-155.

Research output: Contribution to journalArticle

Suparta, Wayan ; Yatim, Ahmad Norazhar Mohd. / Characterization of heat waves : A case study for peninsular Malaysia. In: Geographia Technica. 2019 ; Vol. 14, No. 1. pp. 146-155.
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