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Hydrostatic + Geostrophic + Bousineque Approximations. o. o. Seminar 2 Rotating Stratified Flow. Charles Dong, Greg King School of Marine Sciences, NUIST 2014 June-July. Outline. Thermal Wind Relationship Inertial Motion Ekman Flow (surface and bottom Ekman flow).
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Seminar 2Rotating Stratified Flow Charles Dong, Greg King School of Marine Sciences, NUIST 2014 June-July
Outline • Thermal Wind Relationship • Inertial Motion • Ekman Flow (surface and bottom Ekman flow)
Thermal Wind Relationship Thermal Wind
Limitation of Geostrophic Currents • Geostrophic currents cannot evolve with time because the balance ingnores acceleration of the flow. • The geostrophic balance does not apply near the equator where the Coriolis force goes to zero. • The geostrophic balance ignores the influence of friction.
Inertial Motion Inertial currents are the free motion of parcels of water on a rotating plane.