As nouns the difference between sinking and downwelling
is that sinking
is the act or process of sinking while downwelling
is the sinking of a higher density medium through a lower density one.
As a verb sinking
* like rats from a sinking ship
The act or process of sinking.
* 1857 , Pamphlets on Biology: Kofoid collection
- I witnessed the sinking of my ship from the shore.
- We must endeavour to realize a succession of gradual sinkings or depressions into deep water, alternating with gradual emergings into shallows, and eventually a gradual continued lifting of the whole district