How do we measure currents?

This item was filled under Facts, Technology, Tides and Currents
An observer stands on a ship, throws the drifter into the water, and then measures the time that it takes that object to move along the side of a ship. As technology improved over time, oceanographers began using mechanical current meters. A ship would deploy a meter and usually some sort of rotor would turn and measure the currents. This is still the basic process today; however there are more accurate and sophisticated instruments....
You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.