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DOI | 10.1007/s00382-019-04890-2 |
Effect of atmospheric circulation on recent temperature changes in Finland | |
Raisanen, Jouni | |
2019-11-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 53页码:5675-5687 |
文章类型 | Article |
语种 | 英语 |
国家 | Finland |
英文摘要 | The effect of atmospheric circulation on temperature variability and trends in Finland in 1979-2018 is studied using a trajectory-based method. On the average 81% of the detrended interannual variance of monthly mean temperatures is explained by the start points of the three-dimensional trajectories, with the best performance in autumn and winter. Atmospheric circulation change is only found to have had a small impact on the observed annual mean temperature trends, but it has considerably modified the trends in individual months. In particular, changes in circulation explain the lack of observed warming in June, the very modest warming in October in southern Finland, and about a half of the very large warming in December. The residual trends obtained by subtracting the circulation-related change from observations are robustly positive in all months of the year, exhibit a smoother seasonal cycle, and agree better with the multi-model mean temperature trends from models in the 5th Coupled Model Intercomparison Project (CMIP5). Nevertheless, some differences between the residual trends and the average CMIP5 trends are also found. |
英文关键词 | Atmospheric circulation Trajectory Temperature Climate change Finland CMIP5 |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000493469900030 |
WOS关键词 | DYNAMICAL ADJUSTMENT ; CLIMATE-CHANGE ; VARIABILITY ; UNCERTAINTY ; IMPACTS ; STATION ; EUROPE ; TRENDS ; CMIP5 |
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/187918 |
专题 | 气候变化 |
作者单位 | Univ Helsinki, Fac Sci, Inst Atmospher & Earth Syst Res Phys, POB 64, FIN-00014 Helsinki, Finland |
推荐引用方式 GB/T 7714 | Raisanen, Jouni. Effect of atmospheric circulation on recent temperature changes in Finland[J]. CLIMATE DYNAMICS,2019,53:5675-5687. |
APA | Raisanen, Jouni.(2019).Effect of atmospheric circulation on recent temperature changes in Finland.CLIMATE DYNAMICS,53,5675-5687. |
MLA | Raisanen, Jouni."Effect of atmospheric circulation on recent temperature changes in Finland".CLIMATE DYNAMICS 53(2019):5675-5687. |
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