The legacy of STAHY

Milestones, achievements, challenges, and open problems in statistical hydrology

Journal article (2024)

Authors

Elena Volpi University of Roma Tre

Salvatore Grimaldi Universita degli Studi della Tuscia Viterbo

Amir Aghakouchak University of California

Attilio Castellarin University of Bologna

Fateh Chebana Institut national de la recherche scientifique

Simon Michael Papalexiou University of Calgary

Hafzullah Aksoy Istanbul Technical University

András Bárdossy University of Stuttgart

E. Ragno Hydraulic Structures and Flood Risk -

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Research Group

Hydraulic Structures and Flood Risk () (TU Delft)

Time series analysis Regionalization Extreme value analysis STAHY Changing point analysis Copula function FARMA model GEV ICSH Metastatistical distributions Rainfall simulations

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Published Date

2024

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Hydraulic Structures and Flood Risk

Abstract

Statistical tools are crucial for a variety of hydrological applications, whether to model processes and enhance understanding and knowledge or to design infrastructure systems. Given the rapid evolution of statistical methods and the need for a solid theoretical foundation for their correct application, a multidisciplinary community STAtistics in HYdrology Working Group (STAHY-WG) aggregated under the International Association of Hydrological Sciences (IAHS) umbrella to contribute to this research field. Now, more than 15 years since its inception, this paper summarizes the main achievements of this productive community collaboration in four (of many) branches of statistical hydrology: extreme value analysis, multivariate analysis, time series analysis, and regionalization. The aim is to provide an overview of recent developments, offer practical suggestions (e.g. software packages), and outline future challenges to support scientists and practitioners in their endeavours within the realm of statistical hydrology studies.

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