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DOI | 10.1007/s00382-018-4297-x |
Interannual variability of March snow mass over Northern Eurasia and its relation to the concurrent and preceding surface air temperature, precipitation and atmospheric circulation | |
Ye, Kunhui1,2 | |
2019-03-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:2813-2836 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Germany |
英文摘要 | The interannual variability of March snow water equivalent (SWE) in Northern Eurasia and its influencing factors are studied. The surface air temperature (SAT) and precipitation are the dominant factors for the snow accumulation in northern Europe and the remaining region, respectively. The strongest contribution of SAT to snow accumulation is mainly found in those months with moderate mean SAT. The strongest contribution of precipitation is not collocated with the climatological maxima in precipitation. The leading mode of March SWE variability is obtained and characterized by a spatial dipole. Anomalies in atmospheric water vapor divergence, storm activity and the associated atmospheric circulation can explain many of the associated precipitation and SAT features. Anomalies in autumn Arctic sea ice concentration (SIC) over the Barents Sea and Kara Sea (B/K Sea) and a dipole pattern of November snow cover (SC) in Eurasia are also observed. The atmospheric circulation anomalies that resemble a negative phase of North Atlantic Oscillation (NAO)/Arctic Oscillation (AO) are strongly projected onto the wintertime atmospheric circulation. Both observations and model experiment support that the autumn B/K Sea SIC has some impacts on the autumn and AO/NAO-like wintertime atmospheric circulation patterns. The dipole pattern of November Eurasian SC seems to be strongly forced by the autumn B/K Sea SIC and its feedback to the atmospheric circulation is important. Therefore, the impacts of autumn B/K Sea SIC on the autumn/wintertime atmospheric circulation and thusthe March SWE variability may be modulated by both constructive and destructive interference of autumn Eurasian SC. |
英文关键词 | Eurasian snow mass Precipitation Surface air temperature Arctic oscillation Arctic sea ice Eurasian snow |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000463842700018 |
WOS关键词 | ARCTIC SEA-ICE ; SUMMER MONSOON CIRCULATION ; COVER VARIABILITY ; SOVIET SNOW ; CLIMATE ; HEMISPHERE ; RAINFALL ; STRATOSPHERE ; OSCILLATION ; ANOMALIES |
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/181427 |
专题 | 气候变化 |
作者单位 | 1.Chinese Univ Hong Kong, Inst Environm Energy & Sustainabil, Shatin, Hong Kong, Peoples R China; 2.Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Bremerhaven, Germany |
推荐引用方式 GB/T 7714 | Ye, Kunhui. Interannual variability of March snow mass over Northern Eurasia and its relation to the concurrent and preceding surface air temperature, precipitation and atmospheric circulation[J]. CLIMATE DYNAMICS,2019,52:2813-2836. |
APA | Ye, Kunhui.(2019).Interannual variability of March snow mass over Northern Eurasia and its relation to the concurrent and preceding surface air temperature, precipitation and atmospheric circulation.CLIMATE DYNAMICS,52,2813-2836. |
MLA | Ye, Kunhui."Interannual variability of March snow mass over Northern Eurasia and its relation to the concurrent and preceding surface air temperature, precipitation and atmospheric circulation".CLIMATE DYNAMICS 52(2019):2813-2836. |
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