Arctic and Antarctic cells in the troposphere

Arctic and Antarctic cells in the troposphere
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对流层中的北极和南极细胞

DOI:
10.1007/s00704-015-1485-z
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发表时间:
2016-07
影响因子:
3.4
通讯作者:
Liang Haoyuan
Liang Haoyuan
中科院分区:
地球科学3区
文献类型:
--
作者:
Qian Weihong;Wu Kaijun;Liang Haoyuan

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三细胞模型,包括两个半球的哈德利环流细胞、费雷尔环流细胞和极地环流细胞,已被广泛接受,近年来最强的哈德利环流模型已被用于研究气候变化。然而,为什么费雷尔细胞的上层流动与观测不符以及两个极区存在多少细胞仍然存在两个问题。本文使用过去 30 年的三个不同的再分析数据集,表明两个极地区域中的每一个都可能存在一个额外的细胞。经向-垂直剖面流线(MSS)、经向-质量流函数(MSF)和气候垂直速度的分析为支持对流层中新的北极和南极细胞的存在提供了一些证据。因此,本研究提出了全球对流层的八单元模型。 MSF在北半球(NH)指示的北半球冬季哈德来环流圈的最大强度比费雷尔环流圈强约4.8倍,因此与哈德来环流圈更强的西南风相比,费雷尔环流圈高层东北风太弱而无法被探测到。
The three-cell model, including the Hadley, Ferrel, and Polar cells in each of two hemispheres, has been accepted for a long time and the strongest Hadley cell has been used to study the climate change in recent years. However, two questions, why the upper level flow of Ferrel cell does not match observations and how many cells exist in the two polar regions, still exist. Using three different reanalysis datasets for the last 30 years, this paper showed that there might be an additional cell in each of two polar regions. The analyses of meridional-vertical section streamline (MSS), meridional-mass stream function (MSF), and climatic vertical velocity provide some evidences to support the existence of the new Arctic and Antarctic cells located in the troposphere. Thus, an eight-cell model in the global troposphere is proposed in this study. The maximum intensity of the Hadley cell in the boreal winter indicated by MSF in the Northern Hemisphere (NH) is stronger than that of the Ferrel cell for about 4.8 times, so the upper level northeasterly wind of Ferrel cell is too weak to be detected when compared with the stronger southwesterly wind of the Hadley cell.
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发表时间: 2012-02
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影响因子: 4.9
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发表时间: 2010-01
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期刊: JOURNAL OF CLIMATE
影响因子: 4.9
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影响因子: 8.9
作者:
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通讯作者: J. Kidson;D. G. Vincent;R. Newell
DOI: --
发表时间: 2002
期刊: Journal of Nanjing Institute of Meteorology
影响因子: --
作者:
Gong Zhen-song
通讯作者: Gong Zhen-song