Society and the Environment: Ocean Currents

rubber duckie

A shipment of rubber ducks lost at sea helped scientists study ocean current movements.

Ocean currents are important in transporting heat, water, nutrients, pollutants, and organisms around the world. Even though they are important, ocean currents have been hard to study. Scientists used to drop labeled bottles in the oceans in different places and then recorded where they were picked up. Now, oceanographers attach transmitters to drifters. These transmitters send their position to satellites overhead, providing scientists with information that is helpful in a variety of ways, from protecting endangered species to making important decisions with far-reaching effects.

[Read more…]