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DYNAMICAL OCEANOGRAPHY
c. Determine the time τ that is needed for a Kelvin wave to propagate over a
distance of 1000 km.
(7.5) Topography and Rossby waves
A Rossby wave with wavenumbers k = k 0 and l =0propagates (at 45 ◦ N)
over a seamount with a spatial distribution
η b (x, y)=η 0 e
−((x−x0) 2 +(y−y0) 2 )
where (x 0 ,y 0 ) is a point in the middle of the basin.
a. Sketch the deviation of the lines of constant phase caused by the presence
of the topography.
b. At which side of the seamount can stationary Rossby waves occur?
DYNAMICAL OCEANOGRAPHY
c. Determine the time τ that is needed for a Kelvin wave to propagate over a
distance of 1000 km.
(7.5) Topography and Rossby waves
A Rossby wave with wavenumbers k = k 0 and l =0propagates (at 45 ◦ N)
over a seamount with a spatial distribution
η b (x, y)=η 0 e
−((x−x0) 2 +(y−y0) 2 )
where (x 0 ,y 0 ) is a point in the middle of the basin.
a. Sketch the deviation of the lines of constant phase caused by the presence
of the topography.
b. At which side of the seamount can stationary Rossby waves occur?