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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - A Bayesian spatio-temporal model for precipitation extremes - STOR team contribution to the EVA2017 challenge
AU - Barlow, Anna
AU - Rohrbeck, Christian
AU - Sharkey, Paul
AU - Shooter, Robert
AU - Simpson, Emma
N1 - The final publication is available at Springer via http://dx.doi.org/10.1007/s10687-018-0330-z
PY - 2018/9
Y1 - 2018/9
N2 - 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 aspatio-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.
AB - 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 aspatio-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.
KW - Bayesian hierarchical modelling
KW - Extreme value analysis
KW - Markov chain Monte Carlo
KW - Precipitation extremes
KW - Spatio-temporal dependence
U2 - 10.1007/s10687-018-0330-z
DO - 10.1007/s10687-018-0330-z
M3 - Journal article
VL - 21
SP - 431
EP - 439
JO - Extremes
JF - Extremes
SN - 1386-1999
IS - 3
ER -