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How salty is the ocean?

Gallery Sea Surface Salinity Hero NASA / GSFC / JPL-Caltech​

The global map of the salinity, or saltiness, of Earth's ocean surface produced by NASA's new Aquarius instrument reveals a rich tapestry of global salinity patterns. The yellow / red regions of high salinity and the green / blue regions show lower salinity. Can you spot how the freshwater from rivers may affect the saltiness of the sea.

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Science | Ages 11 - 14

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