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| DOI | 10.1007/s00382-019-04890-2 |
| Effect of atmospheric circulation on recent temperature changes in Finland | |
| Räisänen J. | |
| 发表日期 | 2019 |
| ISSN | 0930-7575 |
| 起始页码 | 5675 |
| 结束页码 | 5687 |
| 卷号 | 53期号:2020-09-10 |
| 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. © 2019, The Author(s). |
| 英文关键词 | Atmospheric circulation; Climate change; CMIP5; Finland; Temperature; Trajectory |
| 语种 | 英语 |
| scopus关键词 | atmospheric circulation; climate change; climate modeling; CMIP; temperature profile; trajectory; trend analysis; Finland |
| 来源期刊 | Climate Dynamics
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/145891 |
| 作者单位 | Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, P.O. Box 64, Helsinki, 00014, Finland |
| 推荐引用方式 GB/T 7714 | Räisänen J.. Effect of atmospheric circulation on recent temperature changes in Finland[J],2019,53(2020-09-10). |
| APA | Räisänen J..(2019).Effect of atmospheric circulation on recent temperature changes in Finland.Climate Dynamics,53(2020-09-10). |
| MLA | Räisänen J.."Effect of atmospheric circulation on recent temperature changes in Finland".Climate Dynamics 53.2020-09-10(2019). |
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