ocean current

Nothing but an ocean current has the slightest effect on its movement.

Once you start, he said, there's no turning back because strong ocean currents go only one way.

Wind is thought to be the main driving force along with ocean currents.

"The ocean currents are moving the stuff all around the Atlantic."

They are not strong enough to swim against ocean currents.

The surface wind can also change local ocean currents during an event.

A better understanding of the ocean currents and heat transport.

The main reason is an extremely large food supply created by ocean currents.

Among other purposes they are used for scientific studies of ocean currents.

Warm ocean currents may have been the cause of the melting.