Hamiltonian structure for drift waves and geostrophic flow
Hamiltonian structure for drift waves and geostrophic flow
复制标题
漂移波和地转流的哈密顿结构
DOI:
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发表时间:
1983
期刊:
影响因子:
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通讯作者:
A. Weinstein
中科院分区:
文献类型:
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作者:
A. Weinstein
The equation (1−∇2)φt+J[φ, (1−∇2)φ−λ]=0 in the plane is put in Hamiltonian form with respect to a noncanonical Poisson bracket. If the function λ is a linear combination of x,y, and x2+y2, the equation can be transformed to a form very close to the vorticity equation for an ideal fluid. In particular, β‐plane dynamics are transformed into f‐plane dynamics.