Does Thermocline Exist in Ocean?

In the ocean, the depth and strength of the thermocline vary from season to season and year to year. It is semi-permanent in the tropics, variable in temperate regions (often deepest during the summer), and shallow to nonexistent in the polar regions, where the water column is cold from the surface to the bottom.

Is there a thermocline in the ocean?

Thermocline, oceanic water layer in which water temperature decreases rapidly with increasing depth. A widespread permanent thermocline exists beneath the relatively warm, well-mixed surface layer, from depths of about 200 m (660 feet) to about 1,000 m (3,000 feet), in which interval temperatures diminish steadily.

Is thermocline a layer of the ocean?

A thermocline is a layer in the ocean in which the temperature changes with depth. In the deep oceans, the temperature decreases sharply with depth for 1000 m or so beneath the surface, as illustrated in Fig. 1.3. This region is known as the main thermocline.