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Maximum entropy modelling of extreme significant wave heights on Portuguese coast

This paper presents maximum entropy (ME) as a plausible method for prediction of extreme values with high return periods. Using peak over threshold approach, estimates of return values of significant wave heights were obtained with generalized Pareto distribution (GPD) model and ME model. The results showed similarity when comparing return values obtained from distributions derived from the maximization of Shannon’s entropy and GPD model. A case study of the Portuguese coast data set is presented and the results are compared with those obtained with the Annual Maxima method.

wave height; long term distribution; maximum entropy; Portuguese coast

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