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DOI | 10.1007/s00382-017-3667-0 |
Role of circulation in European heatwaves using flow analogues | |
Jezequel, Aglae; Yiou, Pascal; Radanovics, Sabine | |
2018-02-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:1145-1159 |
文章类型 | Article |
语种 | 英语 |
国家 | France |
英文摘要 | The intensity of European heatwaves is connected to specific synoptic atmospheric circulation. Given the relatively small number of observations, estimates of the connection between the circulation and temperature require ad hoc statistical methods. This can be achieved through the use of analogue methods, which allow to determine a distribution of temperature conditioned to the circulation. The computation of analogues depends on a few parameters. In this article, we evaluate the influence of the variable representing the circulation, the size of the domain of computation, the length of the dataset, and the number of analogues on the reconstituted temperature anomalies. We tested the sensitivity of the reconstitution of temperature to these parameters for four emblematic recent heatwaves: June 2003, August 2003, July 2006 and July 2015. The paper provides general guidelines for the use of flow analogues to investigate European summer heatwaves. We found that Z500 is better suited than SLP to simulate temperature anomalies, and that rather small domains lead to better reconstitutions. The dataset length has an important influence on the uncertainty. We conclude by a set of recommendations for an optimal use of analogues to probe European heatwaves. |
英文关键词 | Heatwaves Europe Atmospheric circulation |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000425328700024 |
WOS关键词 | LINE SIMULATION CHARACTERISTICS ; 2003 HEAT-WAVE ; ATMOSPHERIC CIRCULATION ; WEATHER REGIMES ; NORTH-ATLANTIC ; CLIMATE-CHANGE ; PREDICTABILITY ; RECONSTRUCTION ; FORMULATION ; MORTALITY |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/36169 |
专题 | 气候变化 |
作者单位 | Univ Paris Saclay, LSCE, CEA Saclay Orme Merisiers, UMR CEA CNRS UVSQ 8212,IPSL, Gif Sur Yvette, France |
推荐引用方式 GB/T 7714 | Jezequel, Aglae,Yiou, Pascal,Radanovics, Sabine. Role of circulation in European heatwaves using flow analogues[J]. CLIMATE DYNAMICS,2018,50:1145-1159. |
APA | Jezequel, Aglae,Yiou, Pascal,&Radanovics, Sabine.(2018).Role of circulation in European heatwaves using flow analogues.CLIMATE DYNAMICS,50,1145-1159. |
MLA | Jezequel, Aglae,et al."Role of circulation in European heatwaves using flow analogues".CLIMATE DYNAMICS 50(2018):1145-1159. |
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