Salt of the Earth

This video from NASA features scientists who describe the role of salt in the oceans and global oceanic circulation, especially the effect of salinity on the density of water and its global circulation, with reference to global climate change.

Go To:


Notes From Our Reviewers

The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials

Teaching Tips

Teaching Tips

Good introduction to oceanic 'conveyor belt.'

Note that this video pre-dates the launch of the Aquarius mission satellite (on 10 June 2010).

Note: this video takes a long time to load in browser, depending on speed of Internet connection. Plan an activity or explanation to share while it loads, or load in advance.

Data are available through the NASA Physical Oceanography website:

Share This: 
Hide [X]