ESS228
Prof. Jin-Yi Yu
Rigid Lid Approximation
(for the upper layer)
q
Momentum Equations
q
Continuity Equation
η
h
•
For baroclinic modes, surface displacements (
h
)
are small compared to interface displacements (
h
).
•
If there is a rigid lid at z=0, the identical pressure gradients would
have be achieved.