Development of Site-Specific Wind Hazard Map for Peninsular Malaysia via Spatial Modeling

Saddam Hussein Abo Sabah, Noram Irwan Ramli, Taksiah A. Majid and Shaharudin Shah Zaini
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Saddam Hussein Abo Sabah: Disaster Research Nexus, School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal 14300, Malaysia
Noram Irwan Ramli: Faculty of Civil Engineering Technology, Universiti Malaysia Pahang, Kuantan 26300, Malaysia
Taksiah A. Majid: Disaster Research Nexus, School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal 14300, Malaysia
Shaharudin Shah Zaini: Disaster Research Nexus, School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal 14300, Malaysia

Energies, 2020, vol. 13, issue 3, 1-22

Abstract: The commonly used approach to predict and evaluate the wind risk in Peninsular Malaysia is to employ the basic wind speed ( V s ) hazard map, which underestimates the real damage due to the limitation of factors considered by the current map. This paper aimed to develop a new wind hazard map for Peninsular Malaysia based on the site wind speed ( V site ) rather than the V s using the Geographical Information System. The development of the V site map considered the effects of the Land Use Land Cover (LULC) and the topography conditions that were not taken into consideration by the Malaysian Standard during the development of the V s map. The statistical analysis proved that the wind hazard in Peninsular Malaysia is directly proportional to the LULC and inversely proportional to the Hill Shape Multiplier. In addition, the results showed that the existing V s map underrated the wind hazard in Peninsular Malaysia by almost 9.02% to 17.79% compared to the developed V site map. Therefore, the use of the newly developed map to evaluate the wind hazards will significantly enhance the assessment, and the new map has the potential to be incorporated into the Malaysian Standard for this purpose.

Keywords: wind hazard maps; geographical information system; terrain height multipliers; hill shape multipliers (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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