Hybrid k-GA Model: A Robust Framework for Chaos-Based River Water Level Predictions Across Different Elevations of the Pahang River

Authors

  • Adib Mashuri Department of Mathematics, Faculty Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjong Malim, Perak, Malaysia
  • Nur Hamiza Adenan Department of Mathematics, Faculty Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjong Malim, Perak, Malaysia
  • Azurah A Samah Intelligent Informatics Research Group, Faculty of Computing, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia
  • Ahmad Basri Ruslan District Planning and Management Sector, Kedah State Education Department, 05100 Alor Setar, Kedah, Malaysia
  • Nor Suriya Abd Karim Department of Mathematics, Faculty Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjong Malim, Perak, Malaysia
  • Muhammad Faizan School of Chemical, Biological, and Battery Engineering, Gachon university, Seongnam 13120, Republic of Korea

DOI:

https://doi.org/10.37134/jsml.vol14.2.15.2026

Keywords:

Hybrid k-GA model, Chaos approach, Genetic Algorithm, Time series forecasting, Pahang River

Abstract

Improving the chaos-based method is important for increasing the accuracy of predictions in uncertain river water level conditions. This paper introduces the k-GA model, a hybrid method that combines chaos theory with genetic algorithms to forecast river water levels, particularly at different elevations of the Pahang River. Traditional chaos-based techniques often struggle with the uncertain and unpredictable nature of river systems, especially when water levels are high. The proposed k-GA model applies chaos theory to identify meaningful patterns in hydrological time series data. At the same time, the genetic algorithm component improves the forecasting process by selecting the most suitable parameters and features. To evaluate its effectiveness, the model was compared with existing chaos-based methods, namely the Local Mean Average Method (LMAM) and the Local Linear Approximation Method (LLAM), across three river zones which are upstream, midstream and downstream area. The results show that the k-GA model outperformed both comparison methods by effectively capturing the complex behavior of water level changes and producing more accurate forecasts, achieving over 99% accuracy compared to the 93% to 96% accuracy of existing chaos-based methods. The main contribution of this study lies in the development of a hybrid chaos-genetic algorithm model that enhances forecasting performance in complex hydrological environments, providing a more accurate and adaptive tool for flood risk management and water resource planning.

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Published

2026-06-13

How to Cite

Mashuri, A., Adenan, N. H. ., A Samah, A. ., Ruslan, A. B. ., Karim, N. S. A. ., & Faizan, M. . (2026). Hybrid k-GA Model: A Robust Framework for Chaos-Based River Water Level Predictions Across Different Elevations of the Pahang River. Journal of Science and Mathematics Letters, 14(2), 361-373. https://doi.org/10.37134/jsml.vol14.2.15.2026

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