9.2.8: "Cline Curves" and Mixing (Surface) Zone
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Figure 7.26. The "cline curves"
NOAA Animation: Annual changes of pychnocline depth
Uppermost water where mixing from currents make temperature, salinity, and density mostly constant.
Vertical changes in temperature with latitude
:
•
Polar regions
have almost
no thermocline
.
•
Temperate regions
have
weak thermoclines
(moderate in summer, less in winter).
•
Tropical regions
have a
strong thermocline.