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If the satellite measures an absolute sea level, without reference to land, I don't see how a long term average would be dependent on what the land is doing unless it dampens water flow and allows thermal hot spots.


In the map, it looks like the sinking area off the eastern coast of the US is where the gulf stream passes. Possibly the gulf steam is sinking (cooling) earlier. Could that cause a local depression?


Possibly the ocean current along the coast of Alaska and California is also doing the same.


On the whole it looks like the ocean is rising, especially around the equatorial area near Malasia.


I remember reading that the ocean currents slow down and maybe stop when global warming gets to a certain point. Then global cooling starts.


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