Equilibrium statistical mechanics of barotropic flow over finite topography

被引：0

作者：

Merryfield, WJ ^{[1
]}

Cummins, PF ^{[1
]}

Holloway, G ^{[1
]}

机构：

[1] Fisheries Oceans Canada Inst Ocean Sci, Sidney, BC V8L 4B2, Canada

来源：

JOURNAL OF PHYSICAL OCEANOGRAPHY | 2001年 / 31卷 / 07期

关键词：

D O I：

10.1175/1520-0485(2001)031<1880:ESMOBF>2.0.CO;2

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

Inviscid equilibria of barotropic flows over finite-amplitude topography are determined by means of statistical mechanics, extending previous quasigeostrophic theory. Imposing constraints of energy and enstrophy conservation leads to a linear relation between equilibrium mean potential vorticity and mean transport streamfunction. This relation is tested numerically and is found to hold over a wide range of topographic amplitudes. Implications for improving parameterizations of entropy generation by eddies are discussed.

引用

页码：1880 / 1890

页数：11

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