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Study on evaluation standard of uncertainty of design wave height calculation model

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Abstract

The accurate calculation of marine environmental design parameters depends on the probability distribution model, and the calculation results of different distribution models are often different. It is very important to determine which distribution model is more stable and reasonable when extrapolating the recurrence level of the studied sea area. In this paper, we constructed an evaluation method of the overall uncertainty of the calculation results and a measurement of the uncertainty of the design parameters derivation model, by incorporating the influence of sample information on the model information entropy, such as sample size, degree of dispersion, and sampling error. Results show that the sample data size and the degree of dispersion are directly proportional to the information entropy. Within the same group of data, the maximum entropy distribution model has the lowest overall uncertainty, while the Gumbel distribution model has the largest overall uncertainty. In other words, the maximum entropy distribution model has good applicability in the accurate calculation of marine environmental design parameters.

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All data generated and/or analyzed during this study are not available to public. For readers that are interested, please contact corresponding author for details.

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Correspondence to Guilin Liu.

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Supported by the National Natural Science Foundation of China (Nos. 52071306, 51379195), the Natural Science Foundation of Shandong Province (No. ZR2019MEE050), and the Graduate Education Foundation (No. HDYA19006)

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Chen, B., Kou, Y., Wu, F. et al. Study on evaluation standard of uncertainty of design wave height calculation model. J. Ocean. Limnol. 39, 1188–1197 (2021). https://doi.org/10.1007/s00343-020-0327-8

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  • DOI: https://doi.org/10.1007/s00343-020-0327-8

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