ESS200A
Prof. Jin-Yi Yu
Frictional
Effect on Surface Flow
L
H
pressure gradient force
Coriolis force
L
H
pressure gradient force
Coriolis force
Surface friction
Surface friction
q Surface friction force slows down the
geostrophic flow.
q The flow turns into (out of) the low (high)
press sides.
q Convergence (divergence) is produced with
the flow.