ESS228
Prof. Jin-Yi Yu
Surface Current – Geostrophic Gyre
qMixed Layer
q      Currents controlled by frictional force + Coriolis force
q      à wind-driven circulation
q      à Ekman transport (horizontal direction)
q      à convergence/divergence
q      à downwelling/upwelling at the bottom of mixed layer
q Thermocline
q      downwelling/upwelling in the mixed layer
q      à pressure gradient force + Coriolis force
q      à geostrophic current
q      à Sverdrup transport (horizontal)
q