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Prediction of Parameters which Affect Beach Nourishment Performance Using MARS, TLBO, and Conventional Regression Techniques

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Thalassas: An International Journal of Marine Sciences Aims and scope Submit manuscript

Abstract

Artificial beach nourishment is one of the most important environmentally friendly coastal protection methods since it protects the aesthetic and recreational values of the beach and increases its protective properties. Therefore, the main aim of the current study is to assess the accuracy of multivariate adaptive regression splines (MARS) in predicting the parameters, namely sediment transport coefficients (K) and the diffusion rate (Ω), which affect beach nourishment performance. The performance of the MARS was determined by comparison of the models using exponential, linear, and power regression equations trained by conventional regression analyses (CRA) and the teaching-learning based optimization (TLBO) algorithm. In all models, two different input data obtained from the experimental study were used, one dimensional and one non-dimensional. The results presented that the MARS models gave lower error values than the CRA and TLBO models according to the root mean square error, mean absolute error, and scattering index criteria. When the models were evaluated, it was revealed that dimensional and non-dimensional models gave approximate results. We proved that the dimensional and non-dimensional MARS models can be used to estimate the (K) and (Ω) values.

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Acknowledgments

The authors dedicate this paper to the memory of the late Dr. Murat İhsan KÖMÜRCÜ.

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Correspondence to Murat Kankal.

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Karasu, S., Kankal, M., Nacar, S. et al. Prediction of Parameters which Affect Beach Nourishment Performance Using MARS, TLBO, and Conventional Regression Techniques. Thalassas 36, 245–260 (2020). https://doi.org/10.1007/s41208-019-00173-z

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  • DOI: https://doi.org/10.1007/s41208-019-00173-z

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