globalchange  > 气候变化事实与影响
DOI: 10.5194/hess-19-3093-2015
Scopus记录号: 2-s2.0-84937057060
论文题名:
Attribution of European precipitation and temperature trends to changes in synoptic circulation
作者: Fleig A; K; , Tallaksen L; M; , James P; , Hisdal H; , Stahl K
刊名: Hydrology and Earth System Sciences
ISSN: 10275606
出版年: 2015
卷: 19, 期:7
起始页码: 3093
结束页码: 3107
语种: 英语
Scopus关键词: Hydrology ; Atmospheric circulation ; Climate variables ; European precipitations ; Hydrothermal properties ; Spatial and temporal trends ; Synoptic circulations ; Temperature data ; Temperature trends ; Earth sciences ; atmospheric circulation ; climate change ; climate modeling ; hydrothermal circulation ; precipitation (climatology) ; spatiotemporal analysis ; synoptic meteorology ; Europe
英文摘要: Surface climate in Europe is changing and patterns in trends have been found to vary at sub-seasonal scales. This study aims to contribute to a better understanding of these changes across space and time by analysing to what degree observed climatic trends can be attributed to changes in synoptic atmospheric circulation. The relative importance of synoptic circulation changes (i.e. trends in synoptic type frequencies) as opposed to trends in the hydrothermal properties of synoptic types (within-type trends) on precipitation and temperature trends in Europe is assessed on a monthly basis. The study is based on mapping spatial and temporal trend patterns and their variability at a relatively high resolution (0.5° × 0.5° ; monthly) across Europe. Gridded precipitation and temperature data (1963-2001) originate from the Watch Forcing Data set and synoptic types are defined by the objective SynopVis Grosswetterlagen (SVG). During the study period, relatively high influence of synoptic circulation changes are found from January to March, contributing to wetting trends in northern Europe and drying in the south. Simultaneously, particularly dry synoptic types get warmer first in south-western Europe in November and/or December and affect most of Europe in March and/or April. Strong influence of synoptic circulation changes is again found in June and August. In general, changes in synoptic circulation has a stronger effect on climate trends in north-western Europe than in the south-east. The exact locations of the strongest influence of synoptic circulation changes vary with the time of year and to some degree between precipitation and temperature. Throughout the year and across the whole of Europe, precipitation and temperature trends are caused by a combination of synoptic circulation changes and within-type changes with their relative influence varying between regions, months and climate variables. © Author(s) 2015.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/78472
Appears in Collections:气候变化事实与影响

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作者单位: Norwegian Water Resources and Energy Directorate, P.O. Box 5091, Majorstua, Oslo, Norway; Department of Geosciences, University of Oslo, P.O. Box 1047, Blindern, Oslo, Norway; Deutscher Wetterdienst, Frankfurter Strasse 135, Offenbach, Germany; Hydrology, University of Freiburg, Fahnenbergplatz, Freiburg, Germany

Recommended Citation:
Fleig A,K,, Tallaksen L,et al. Attribution of European precipitation and temperature trends to changes in synoptic circulation[J]. Hydrology and Earth System Sciences,2015-01-01,19(7)
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