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学科主题: Geosciences, Multidisciplinary
题名: The principal modes of variability of the boreal winter Hadley cell
作者: Ma, J ; Li, JP
通讯作者: ljp@lasg.iap.ac.cn
刊名: GEOPHYSICAL RESEARCH LETTERS
发表日期: 2008-01-01
卷: 35, 期:1, 页:#NAME
收录类别: sci
部门归属: [Ma, Jie; Li, Jianping] Chinese Acad Sci, Inst Atom Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China; [Ma, Jie] China Meteorol Adm, Natl Meteorol Ctr, Beijing, Peoples R China; [Li, Jianping] Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China
摘要: The year-to-year variability of the boreal winter mass stream function of the mean meridional circulation (MMC) is dominated by an equatorially asymmetric mode and a symmetric mode. The former (latter) mode is linked with the boreal Hadley cell mainly on the decadal (interannual) time-scale. The asymmetric mode index (AMI), which indicates the strength of this mode, shows a clear upward trend during the last decades of the 20th century. The strong sea surface temperature (SST) warming in the tropical Indo-west Pacific warm-pool might be an important factor contributing to the intensification of the asymmetric mode, and the SST warming in the southern tropical Atlantic Ocean and southeast Pacific may also contribute to this intensification. The symmetric mode index (SMI) shows a significant interannual variability that has a very robust and consistent correlation with ENSO, implying that the variability of the Hadley cell is mainly associated with ENSO on the interannual time-scale. Additionally, the symmetric mode variability is also connected with the SST in the tropical Indo-west Pacific warm-pool.
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/8443
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Ma, J; Li, JP.The principal modes of variability of the boreal winter Hadley cell,GEOPHYSICAL RESEARCH LETTERS,2008,35(1):#NAME
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