Awesome. Somebody recently mentioned that Coriolis forces were significant.
The incoming energy from the sun is what powers the winds, and the rotation of the earth, acting via the Coriolis force, sets up the general circulation pattern of wind flow. In the Northern Hemisphere, warm air rising at the equator and flowing northward is turned to the Right (Eastward) by the Coriolis force. At about 30° latitude this warm moist air comes down and returns to the equator in an Westerly stream known as the Trade Winds.
The winds drag on the water’s surface via friction, this causes water currents to move in the same general direction as the wind blows. These major gyres of ocean-circling currents occur both North and South of the equator. So, it is correct to say the Coriolis effect results in the general direction of circulating water currents, just as it does for the wind.
The Coriolis doesn’t have any effect on wind velocity; that is determined mainly by differences in barometric pressure, which also has a large effect on water levels. Hence, water level and water currents are significantly affected by both barometric pressure and the direction and duration of the winds.
I don’t know what point the original poster was trying to make, as I only had the opportunity to briefly skim through his rather long post. If I recall correctly, he felt that centrifugal force was a major determining factor in seasonal water levels, and then he posted a lot of data pertaining mainly to coastlines, not ocean currents. It seems to me he was conflating tides with ocean currents. It is well established that coastlines do undergo seasonal cycles in their tides due to several obvious facts; the difference between summer and winter water and air temperatures, the amount of precipitation and runoff, and seasonal changes in wind speed and direction.
Because of many variables and complexity, not everything is known about tides and ocean currents, but I see nothing to be gained from a dubious claim about centrifugal forces.
Edited by OceanBreeze, 11 January 2017 - 05:41 AM.