globalchange  > 气候减缓与适应
DOI: 10.1002/grl.50736
论文题名:
Universal structure of mesoscale eddies in the ocean
作者: Zhang Z.; Zhang Y.; Wang W.; Huang R.X.
刊名: Geophysical Research Letters
ISSN: 0094-8775
EISSN: 1944-8506
出版年: 2013
卷: 40, 期:14
起始页码: 3677
结束页码: 3681
语种: 英语
英文关键词: geostrophic eddy ; ocean ; three-dimensional structure ; universal
Scopus关键词: Coriolis parameter ; geostrophic eddy ; ocean ; Regional differences ; Satellite altimetry ; Three-dimensional structure ; universal ; Universal structures ; Kinetics ; Three dimensional ; Oceanography ; Argo ; buoyancy ; kinetic energy ; mesoscale eddy ; pressure ; satellite altimetry ; satellite data
英文摘要: Mesoscale eddies dominate oceanic kinetic energy at sub-initial frequencies. Their three-dimensional structure has, however, remained obscure, hindering better understanding of eddy dynamics. Here by applying the composite analysis of satellite altimetry and Argo float data to the globe, we show that despite remarkable regional differences in amplitude, extent and polarity, etc., mesoscale eddies have a universal structure in normalized stretched coordinates. Horizontally, the associated pressure anomaly is well described by a function of the normalized radial distance from the eddy center R(r n)=(1-rn2/2)· exp(-rn 2/2), whereas vertically it is sinusoidal in a stretched coordinate zs=∫0z(N/f)dz, where N and f are the buoyancy frequency and the Coriolis parameter. © 2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880889567&doi=10.1002%2fgrl.50736&partnerID=40&md5=8e35ba03868fa3454baa35c2048f0e95
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6039
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作者单位: Physical Oceanography Laboratory, Ocean University of China, Qingdao, China

Recommended Citation:
Zhang Z.,Zhang Y.,Wang W.,et al. Universal structure of mesoscale eddies in the ocean[J]. Geophysical Research Letters,2013-01-01,40(14).
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