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Comment on Fofonoff's mode

 

作者: Greg Holloway,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  (Taylor Available online 1986)
卷期: Volume 37, issue 1-2  

页码: 165-169

 

ISSN:0309-1929

 

年代: 1986

 

DOI:10.1080/03091928608210094

 

出版商: Taylor & Francis Group

 

关键词: Fofonoff mode;ocean circulation;closed basin circulation

 

数据来源: Taylor

 

摘要:

Recently Merkine, Mo and Kalnay (1985) have re-examined the possible existence of Fofonoff's (1954) steady free inertial solution and the role of Fofonoff's mode in numerical circulation models after Veronis (1966). Merkineet al. conclude that the Fofonoff mode does not occur, that such a mode would be barotropically unstable and that resemblances between numerical circulations and Fofonoff's mode are more dependent upon the natures of forcing and dissipation. On the contrary, I suggest that Fofonoff's mode very naturally does emerge and that forcing and dissipation only impede the full realization of Fofonoff's mode. Moreover, statistical mechanical arguments from Salmon, Holloway and Hendershott (1976) show that the Fofonoff mode is expected to co-exist with a transient eddy field whose statistics are in equilibrium with the mode; thus bartotropic instability does not argue for non-realization of Fofonoff's mode.

 

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