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NOAA’s National Ocean Service: Currents

NOAA provides a comprehensive site that explains ocean currents. First you’ll find out about the three factors that drive these currents.Included is a tutorial that reviews the kinds of currents, the causes of currents, the way they are measured, and the effect they ave on the lives of people living close to the ocean or working on the ocean. There is also a podcast the explains the difference between tides and currents. See a slide show that explains how seawater gets saltier and what the means for global currents. Be sure to read about how global climate change affects this global conveyer belt.

courtesy of Knovation