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Science » Earth Sciences » Oceans

Tides of Change Video Series

examines oceans and how they affect earth’s climate. Videos focus on six topics: the water cycle, carbon cycle, sea level changes, ocean salinity, remote sensing, and phytoplankton (the tiny marine plants responsible for half of the photosynthesis that occurs on earth). (National Aeronautics and Space Administration)

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Interesting Fact:

One tiny marine plant makes life on Earth possible: phytoplankton. These microscopic photosynthetic drifters form the basis of the marine food web, they regulate carbon in the atmosphere, and are responsible for half of the photosynthesis that takes place on this planet.
Salinity plays a major role in how ocean waters circulate around the globe.

Movie: Salt of the Earth

 This website also appears in:
Science »  Earth Sciences »  Climate Change

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