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Is water at the bottom of the ocean thicker / heavier than water at the top?
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this post was submitted on 21 Jun 2023
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To answer very literally, no. The water itself isn't thicker, it's the same. It is denser because the pressure is significantly higher, because the water is colder, and to a small degree because salt settles down
However I also wanted to consider what's in the water so I did a bit of research and while there's a higher density of salt at the bottom of the ocean there's more bacteria and other small organisms higher up toward the top of the water. So if you're only thinking about pure water than it's the same but if you're trying to compare water content it seems to be thicker / more condensed higher up
The answer is, "functionally, no." Temperature and salinity alone account for the density changes. Water by its definition is hydraulic, and therefore is functionally incompressible, absent other factors.
edit: significant spellings