Climate change and modelling of extreme temperatures in Switzerland

被引:0
作者
Boriss Siliverstovs
Rainald Ötsch
Claudia Kemfert
Carlo C. Jaeger
Armin Haas
Hans Kremers
机构
[1] ETH Zürich,
[2] KOF Swiss Economic Institute,undefined
[3] University of Potsdam,undefined
[4] DIW Berlin,undefined
[5] PIK,undefined
来源
Stochastic Environmental Research and Risk Assessment | 2010年 / 24卷
关键词
Climate change; GEV; Bayesian modelling; Great Alpine heat wave;
D O I
暂无
中图分类号
学科分类号
摘要
This study models maximum temperatures in Switzerland monitored in twelve locations using the generalised extreme value (GEV) distribution. The parameters of the GEV distribution are determined within a Bayesian framework. We find that the parameters of the underlying distribution underwent a substantial change in the beginning of the 1980s. This change is characterised by an increase both in the level and the variability. We assess the likelihood of the heat wave of the summer 2003 using the fitted GEV distribution by accounting for the presence of a structural break. The estimation results do suggest that the heat wave of 2003 is not that statistically improbable if an appropriate methodology is used for dealing with nonstationarity.
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页码:311 / 326
页数:15
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