With the current concern over climate change, the descriptions on how temperature series changed over time are very useful. Annual mean temperature has been analyzed for several stations over Peninsular Malaysia. Non-parametric statistical techniques such as Mann-Kendall test and Theil-Sen slope estimation are used primarily for assessing the significance and detection of trends, while a nonparametric Pettitt’s test and sequential Mann-Kendall test are adopted to detect any abrupt climate change. Statistically significance increasing trends for annual mean temperature are detected for almost all studied stations with the magnitude of significant trend varied from 0.02°C to 0.05°C per year. The results shows that climate over Peninsular Malaysia is getting warmer than before. In addition, the results of the abrupt changes in temperature using Pettitt’s and sequential Mann-Kendall test reveal the beginning of trends which can be related to El Nino episodes that occur in Malaysia. In general, the analysis results can help local stakeholders and water managers to understand the risks and vulnerabilities related to climate change in terms of mean events in the region.
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3 February 2015
THE 2ND ISM INTERNATIONAL STATISTICAL CONFERENCE 2014 (ISM-II): Empowering the Applications of Statistical and Mathematical Sciences
12–14 August 2014
Pahang, Malaysia
Research Article|
February 03 2015
Temporal changes and variability in temperature series over Peninsular Malaysia
Jamaludin Suhaila
Jamaludin Suhaila
Department of Mathematical Sciences, Faculty of Science, Institute of Environmental and Water Resources, Universiti Teknologi Malaysia, Johor Bahru, Johor,
Malaysia
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AIP Conf. Proc. 1643, 248–255 (2015)
Citation
Jamaludin Suhaila; Temporal changes and variability in temperature series over Peninsular Malaysia. AIP Conf. Proc. 3 February 2015; 1643 (1): 248–255. https://doi.org/10.1063/1.4907452
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