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📘 How ocean currents move heat

Follow wind stress, Coriolis, density, salinity, eddies, and global overturning circulation.

lessons

~10 min

to learn

🔬 Science

subject

Adults

level

Start the course →

What you’ll learn

Wind stress
Coriolis
Density
Downwelling
Upwelling
Gyres
Heat transport
Eddies
Deep conveyor
Observation

Questions this course answers

What starts many surface currents?

Wind stress drives motion in the upper ocean.

What controls thermohaline circulation?

Density changes from heat and salt drive deep flow.

Why does upwelling support fisheries?

Nutrients fuel phytoplankton and food webs.

What are eddies?

Eddies move heat, salt, nutrients, and organisms across current boundaries.

Why measure currents repeatedly?

Time series reveal changing transport and circulation.

Grounded in trusted sources

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