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DOI | 10.1007/s00382-018-4306-0 |
Energetics of interannual temperature variability | |
Raisanen, Jouni | |
2019-03-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:3139-3156 |
文章类型 | Article |
语种 | 英语 |
国家 | Finland |
英文摘要 | Energetics of interannual temperature variability in the years 1980-2016 is studied using two reanalysis data sets. Monthly temperature anomalies are decomposed to contributions from the net surface energy flux, atmospheric energy convergence minus storage (CONV), and processes that affect the top-of-the-atmosphere radiation balance. The analysis reveals a strong compensation between the net surface heat flux and CONV over the ice-free oceans, with the former driving the temperature variability over the tropical oceans and the latter at higher latitudes. CONV also makes a dominant contribution to temperature anomalies in the winter hemisphere extratopical continents. During the summer half-year and in the tropics, however, variations in cloudiness dominate the temperature variability over land, while the contribution of CONV is modest or even negative. The latter reflects the diffusion-like behaviour of short-term atmospheric variability, which acts to spread out the local, to a large extent cloud-induced temperature anomalies to larger areas. The ERA-Interim and MERRA2 reanalyses largely agree on the general energy budget features of interannual temperature variability, although substantial quantitative differences occur in some of the individual terms. |
英文关键词 | Temperature variability Energy budget Reanalysis ERA-Interim MERRA2 |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000463842700035 |
WOS关键词 | VOLCANIC-ERUPTIONS ; ENERGY ; PRECIPITATION ; FEEDBACK ; WAVE ; TELECONNECTIONS ; PERFORMANCE ; TRANSPORTS ; ATMOSPHERE ; SUMMER |
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/181444 |
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. Energetics of interannual temperature variability[J]. CLIMATE DYNAMICS,2019,52:3139-3156. |
APA | Raisanen, Jouni.(2019).Energetics of interannual temperature variability.CLIMATE DYNAMICS,52,3139-3156. |
MLA | Raisanen, Jouni."Energetics of interannual temperature variability".CLIMATE DYNAMICS 52(2019):3139-3156. |
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