Deep-ocean water contains more carbon dioxide than surface water because deep water is colder and has the ability to dissolve more gases.

Question

Quizplus · Accepted Answer

This is due to Henry's Law which states that at a constant temperature, the amount of gas dissolved in a liquid is proportional to the partial pressure of that gas in equilibrium with that liquid. The deep ocean is colder and under higher pressure, allowing it to dissolve more carbon dioxide.

Deep-Ocean Water Contains More Carbon Dioxide Than Surface Water Because