A steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
More example sentences
- Later investigations focused on the sea's thermal structure and determined that it is actually a huge body of warm water separated from the colder layers below by a pronounced thermocline - a zone of rapidly changing temperature.
- Beyond 40m, the pull begins to ease and I shudder as a thermocline reduces the water temperature from a cosy 26°C to a chilly 19.
- I have noticed on previous dives that most of the fish, understandably, stick to the shallows and the warmer water above the thermocline.
Definition of thermocline in:
- The British & World English dictionary