But if you look at the whole life of storms in large ocean basins, we are seeing changes.
The movement of deep water in the ocean basins is by density driven forces and gravity.
The floor of some ocean basins may lie 18,000 to 20,000 feet (5,486 to 6,096 m) or more beneath the surface.
Then the Superior craton reversed its direction and the ocean basin began to close.
It may also be found over outer shelves, but avoids central ocean basins.
This mechanism is thought to be responsible for the various ocean basins of the Mediterranean region.
Adelita was the first animal of any kind ever tracked across an ocean basin.
Adelita, the first sea turtle tracked across an ocean basin.
A true ocean basin developed to the west, breaking all the earlier formations along a steep front.
This is not a full list; for example "box models" can be written to treat flows across and within ocean basins.