Learn More

Video cover page: the water cycle
Measurements of sea surface salinity provide scientists vital information on global ocean circulation and how freshwater moves between the ocean and other reservoirs. Download this movie.
The Water Cycle
Source: NASA Goddard Space Flight Center
[10-May-2011] Measurements of sea surface salinity, or the concentration of salt at the ocean's surface, give scientists vital information on global ocean circulation and how freshwater moves between the ocean and other reservoirs. This narrated video with animations (2:30 min in length), also provides an overview of the pioneering Aquarius satellite, which measured salinity from space for the first time.