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Freediving under an iceberg

Freediving under an iceberg

(2:07) Underwater photographer Tobias Friedrich and freediver Anna von Boetticher dive in -27C waters beneath an iceberg in Greenland.

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CANCEL
Guest: (127 days ago)

Lucky there was a perfectly cut hole through the ice.

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Lucky there was a perfectly cut hole through the ice.

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CANCEL
TheBob TheBob (126 days ago)

If the waters were -27C, wouldn't they be frozen?

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If the waters were -27C, wouldn't they be frozen?

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CANCEL
WalterEgo WalterEgo (126 days ago)

A saturated solution of salt (water that has as much disolved salt as possible) will freeze at -21C. LINK

Maybe it was a typo and should have been -2.7C?

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A saturated solution of salt (water that has as much disolved salt as possible) will freeze at -21C. LINK

Maybe it was a typo and should have been -2.7C?

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CANCEL
Guest: (124 days ago)
Latest comment:

I chuckled.  No part of the sea is -27C regardless of the salinity.  It's obviously a typo.

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Latest comment:

I chuckled.  No part of the sea is -27C regardless of the salinity.  It's obviously a typo.

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CANCEL
TheBob TheBob (126 days ago)

Thanks, Walter - but my guess is the air temperature may have been -27C which just got translated into the temperature of everything else

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Thanks, Walter - but my guess is the air temperature may have been -27C which just got translated into the temperature of everything else

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