Rainfall frequency analysis using LH-moments approach: A case of Kemaman Station, Malaysia

  • Authors

    • Zahrahtul Amani Zakaria
    • Jarah Moath Ali Suleiman
    • Mumtazimah Mohamad
    2018-04-06
    https://doi.org/10.14419/ijet.v7i2.15.11363
  • Frequency analysis, Higher-order statistic, K3D distribution, LH moments, Linear combination.

  • Statistical analysis of extreme events is often carried out to obtain the probability distribution of floods data and then predict the occurrence of floods for a significant return period. L-moments approach is known as the most popular approach in frequency analysis. This paper discusses comparison of the L-moments method with higher order moments (LH-moments) method. LH-moment, a generalization of L-moment, which is proposed based on the linear combinations of higher-order statistics has been used to characterize the upper part of distributions and larger events in flood data. It is observed from a comparative study that the results of the analysis of observed data and the diagram based on the K3D-II distribution using LH-moments method is more efficient and reasonable than the L-moments method for estimating data of the upper part of the distribution events.

     

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  • How to Cite

    Amani Zakaria, Z., Moath Ali Suleiman, J., & Mohamad, M. (2018). Rainfall frequency analysis using LH-moments approach: A case of Kemaman Station, Malaysia. International Journal of Engineering & Technology, 7(2.15), 107-110. https://doi.org/10.14419/ijet.v7i2.15.11363