How do ocean currents work?

Welcome! We're going to explore how ocean currents work, from wind-driven surface waves to the massive, deep-water conveyor belts that shape Earth's climate.

To help me tailor our conversation, what brings you to learn about ocean currents today, and do you have any background in science or oceanography?

I'm just curious and brand new to this topic.

Welcome aboard! It's fantastic to have you here. Exploring how our oceans move is one of the most fascinating ways to understand how our entire planet functions.

Your path

Surface Currents & Wind-Driven Gyres

Deep Ocean Currents & Thermohaline Circulation

Global Impacts: Climate, Marine Ecosystems, and Human Life

What Are Ocean Currents?

At their simplest, ocean currents are continuous, predictable movements of seawater flowing through the ocean. You can think of them like massive, underwater rivers flowing within the ocean itself.

These currents split into two main categories depending on where they happen:

Surface currents: These control the top 10% of the ocean's water, driven mainly by global wind patterns.
Deep-ocean currents: These mobilize the remaining 90% of the water deep below, driven by differences in water density.