globalchange  > 气候减缓与适应
DOI: 10.1007/s00382-018-4276-2
WOS记录号: WOS:000460619200056
论文题名:
Evaluation of the empirical-statistical downscaling method EPISODES
作者: Kreienkamp, Frank1; Paxian, Andreas2; Frueh, Barbara2; Lorenz, Philip1; Matulla, Christoph3
通讯作者: Kreienkamp, Frank
刊名: CLIMATE DYNAMICS
ISSN: 0930-7575
EISSN: 1432-0894
出版年: 2019
卷: 52, 期:1-2, 页码:991-1026
语种: 英语
英文关键词: Empirical statistical downscaling ; Perfect prognosis ; Regional climate modelling ; Ensembles ; CORDEX
WOS关键词: REGIONAL CLIMATE ; PRECIPITATION CLIMATOLOGY ; COMPLEX TERRAIN ; ANALOG METHOD ; EURO-CORDEX ; TEMPERATURE ; MODEL ; PROJECTIONS ; SCENARIOS ; WEATHER
WOS学科分类: Meteorology & Atmospheric Sciences
WOS研究方向: Meteorology & Atmospheric Sciences
英文摘要:

A comprehensive performance assessment of the empirical-statistical downscaling (ESD) technique named EPISODES is presented. Pertaining evaluation analyses consist of multifarious validation experiments as well as various comparisons of EPISODES' projections with those of three RCMs and two ESD methods based on the same GCM scenarios driven by two distinct representative concentration pathways (RCPs). EPISODES combines the downscaling of GCM simulations with a follow-up production of synthetic local time series. EPISODES is a comparably simple, computationally rather inexpensive technique, providing multi-variable and multi-site data that are suitable for being merged in an ensemble of RCM projections. This allows (e.g. for different RCPs) the compilation of large multi member ensembles derived from various GCM simulations via both main downscaling strategies (ESD and RCMs). Evaluation experiments reveal satisfying degrees of compliance between various results generated by EPISODES and observations. The grid cell bias for yearly values, for instance, is mostly less than 0.1 degrees C for temperature and 10% for precipitation totals. Recorded temperature values and precipitation totals corresponding to their 1st and the 99th percentiles are well represented by EPISODES too. Comparisons of various climate change signals derived by EPISODES and other downscaling approaches, present high levels of agreement as well. Many more findings referring to evaluation experiments and climate change projections are to be found in the paper as well as throughout the Appendix.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/125083
Appears in Collections:气候减缓与适应

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作者单位: 1.Deutsch Wetterdienst, Guterfelder Damm 87-91, D-14532 Stahnsdorf, Germany
2.Deutsch Wetterdienst, Frankfurter Str 135, D-63067 Offenbach, Germany
3.Zent Anstalt Meteorol & Geodynam, Hohe Warte 38, A-1190 Vienna, Austria

Recommended Citation:
Kreienkamp, Frank,Paxian, Andreas,Frueh, Barbara,et al. Evaluation of the empirical-statistical downscaling method EPISODES[J]. CLIMATE DYNAMICS,2019-01-01,52(1-2):991-1026
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