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Hanny Rivera using oxygen to both breathe and drill a coral core.

Hanny Rivera using oxygen to both breathe and drill a coral core.
Hanny Rivera using oxygen to both breathe and drill a coral core.
Hanny Rivera using oxygen to both breathe and drill a coral core.
Hanny Rivera using oxygen to both breathe and drill a coral core.
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DeCarlo, Thomas
Hanny Rivera using oxygen to both breathe and drill a coral core.
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05/14/2015
Drilling.jpg
Caption from Oceanus magazine, Vol. 53, No. 2, pg. 18:
One tank provides oxygen to Hanny Rivera while the other one between her legs provides air to power a drill to extract a core of a coral skeleton. Coral skeletons grow in bands that, like tree rings, reveal past conditions in the corals and in the ocean around them.
Photo by Tom DeCarlo
© Woods Hole Oceanographic Institution
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