Gallery: Movies

Ocean circulation
Download this movie.
Ocean Circulation
[11-May-11] Ocean circulation plays a key role in distributing solar energy and maintaining climate, by moving heat from Earth's equator to the poles. Aquarius salinity data, combined with data from other sensors that measure sea level, rainfall, temperature, ocean color, and winds, gives us a much clearer picture of how the ocean works. (00:01:59) Credit: NASA. View transcript (PDF, 13.3 KB).