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Developing numerical equality to regional intensity–duration–frequency curves using evolutionary algorithms and multi-gene genetic programming

  • Research Article - Hydrology
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Abstract

This study aims to carry out regional intensity − duration − frequency (IDF) equality using the relationship with IDF obtained from point frequency analysis. Eleven empirical equations used in the literature for seven climate regions of Turkey were calibrated using particle swarm optimization (PSO) and genetic algorithm (GA) optimization techniques and the obtained results were compared. In addition, in this study, new regional IDF equations were obtained for each region utilizing Multi-Gene Genetic Programming (MGGP) method. Finally, Kruskal–Wallis (KW) test was applied to the IDF values obtained from the methods and the observed values. As a result of the study, it was observed that the coefficients of 11 empirical equations calibrated with PSO, and GA techniques were different from each other. The mean absolute error (MAE), root mean square error (RMSE), mean absolute relative error (MARE), coefficient of determination (R2), and Taylor diagram were used to evaluate the performances of PSO, GA, and MGGP techniques. According to the performance criteria, it has been determined that the IDF equations obtained by the MGGP method for the Eastern Anatolia, Aegean, Southeastern Anatolia, and Central Anatolia regions are more successful than the empirical equations calibrated with the PSO and GA method. The empirical IDF equations produced with PSO and the IDF equations acquired with MGGP have similar findings in the Mediterranean, Black Sea, and Marmara. In addition, the KW test results showed that the data of all models were from the same population.

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Availability of data and material

The data were provided by the General Directorate of State Meteorology Affairs (MGM).

Code availability

The codes were written by Hatice Citakoglu and the analyses were done by Vahdettin Demir. Accessible MATLAB codes have been adapted to study. Code availability is not accessible.

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Acknowledgements

The data used in this study were obtained from the master’s thesis titled “Determination of the Appropriate Probability Distribution Function and Formula of the Relationship Between the Period of Intensity-Rainfall Duration-Return Period for Standard Rainfall in Turkey” written by Kemal Yavuz. The authors thank Kemal Yavuz for providing data.

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No funding or support was received for research from any funding institutions.

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Correspondence to Vahdettin Demir.

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The authors declare no conflicts of interest.

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In the study, the scientists paid close attention to ethical guidelines. There was no ethical infraction.

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This manuscript can be published in the Acta Geophysica.

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Edited by Dr. Ankit Garg (ASSOCIATE EDITOR) / Dr. Michael Nones (CO-EDITOR-IN-CHIEF).

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Citakoglu, H., Demir, V. Developing numerical equality to regional intensity–duration–frequency curves using evolutionary algorithms and multi-gene genetic programming. Acta Geophys. 71, 469–488 (2023). https://doi.org/10.1007/s11600-022-00883-8

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  • DOI: https://doi.org/10.1007/s11600-022-00883-8

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