Flood Risk Pattern Recognition Using Chemometric Technique: A Case Study In Kuantan River Basin

Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Flood Risk Pattern Recognition Using Chemometric Technique: A Case Study In Kuantan River Basin. Jurnal Teknologi, 72 (1). pp. 137-141. ISSN 2180–3722

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Abstract

Integrated Chemometric and Artificial Neural Network were being applied in this study to identify the main contributor for flood, predicting hydrological modelling and risk of flood occurrence at the Kuantan river basin. Based on the Correlation Test analysis, the relationship for Suspended Solid and Stream Flow with Water Level were very high with Pearson correlation of coefficient value more than 0.5. Factor Analysis had been carried out and based on the result, variables such as Stream Flow, Suspended Solid and Water Level turned out to be the major factors and had a strong factor pattern with the results of factor score with >0.7 respectively. Time series analysis was being employed and the limitation had been set up where the Upper Control Limit for Stream Flow, Suspended Solid and Water Level where at this level, it was predicted by using Artificial Neural Network (ANN) to be High Risk Class. The accuracy of prediction from this method stood at 97.8%.

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