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DOI | 10.1029/2020GL090810 |
Remote Influence of the Midlatitude South Atlantic Variability in Spring on Antarctic Summer Sea Ice | |
Li Zhang; Bolan Gan; Xichen Li; Hong Wang; Chuan‐; Yang Wang; Wenju Cai; Lixin Wu | |
2020-12-11 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | Relationship between Antarctic sea ice and the Southern Annular Mode and tropical climate variability has been widely studied. Focusing on the midlatitude oceanic frontal zones, this study identifies a fingerprint of South Atlantic (SA) variability in the Antarctic summer sea ice. The interaction between spring SA sea surface temperature (SST) and summer storm‐track activity modulates the hemispheric atmospheric circulation, which in turn alters Antarctic summer sea ice concentration (SIC) through thermal and wind‐driven forcing. Specifically, warm SST anomalies in the western SA frontal zone, corresponding to the strengthened SST front, cause the increased SIC in the eastern Ross Sea via anomalous cold air advection and offshore drift of sea ice. The opposite effect (i.e., warm air advection and onshore ice drift) results in the decreased SIC in the northwestern Weddell Sea. The findings also imply a potential impact of the midlatitude SA variability to the South Pole air temperature variability. |
领域 | 气候变化 |
URL | 查看原文 |
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/308241 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Li Zhang,Bolan Gan,Xichen Li,et al. Remote Influence of the Midlatitude South Atlantic Variability in Spring on Antarctic Summer Sea Ice[J]. Geophysical Research Letters,2020. |
APA | Li Zhang.,Bolan Gan.,Xichen Li.,Hong Wang.,Chuan‐.,...&Lixin Wu.(2020).Remote Influence of the Midlatitude South Atlantic Variability in Spring on Antarctic Summer Sea Ice.Geophysical Research Letters. |
MLA | Li Zhang,et al."Remote Influence of the Midlatitude South Atlantic Variability in Spring on Antarctic Summer Sea Ice".Geophysical Research Letters (2020). |
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