A Bayesian spatio-temporal model for precipitation extremes - STOR team contribution to the EVA2017 challenge

Anna Barlow, Christian Rohrbeck, Paul Sharkey, Robert Shooter, Emma Simpson

Research output: Contribution to journalArticlepeer-review

5 Citations (SciVal)
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Abstract

This paper concerns our approach to the EVA2017 challenge, the aim of which was to predict extreme precipitation quantiles across several sites in the Netherlands. Our approach uses a Bayesian hierarchical structure, which combines Gamma and generalised Pareto distributions. We impose a spatio-temporal structure in the model parameters via an autoregressive prior. Estimates are obtained using Markov chain Monte Carlo techniques and spatial interpolation. This approach has been successful in the context of the challenge, providing reasonable improvements over the benchmark.
Original languageEnglish
Pages (from-to)431-439
Number of pages9
JournalExtremes
Volume21
Issue number3
Early online date18 Jun 2018
DOIs
Publication statusPublished - 30 Sept 2018

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