Articles | Volume 24, issue 1
https://doi.org/10.5194/hess-24-473-2020
https://doi.org/10.5194/hess-24-473-2020
Research article
 | 
29 Jan 2020
Research article |  | 29 Jan 2020

Numerical investigation on the power of parametric and nonparametric tests for trend detection in annual maximum series

Vincenzo Totaro, Andrea Gioia, and Vito Iacobellis

Related subject area

Subject: Engineering Hydrology | Techniques and Approaches: Stochastic approaches
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Cited articles

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Short summary
We highlight the need for power evaluation in the application of null hypothesis significance tests for trend detection in extreme event analysis. In a wide range of conditions, depending on the underlying distribution of data, the test power may reach unacceptably low values. We propose the use of a parametric approach, based on model selection criteria, that allows one to choose the null hypothesis, to select the level of significance, and to check the test power using Monte Carlo experiments.