Isotopes: Tracers of origins & chronometers

What is an isotope? How can we use them in oceanography?

This video is intended for the general audience – please distribute it broadly and use it in your GEOTRACES activities. A mp4 version is available upon request to the GEOTRACES IPO.

You can also view the video in youtube:

Animation by Adrian Artis / Directed by Catherine Jeandel and Elena Masferrer
Voice by Thomas Boutilier / Thanks to Rogue Elephant