Deepest recorded Secchi depths

By | 2017-10-14T17:58:51+00:00 May 23, 2017|Oceanography, Records|

Deepest recorded Secchi depths

Last updated: October 14, 2017 at 17:58 pm

The theoretical maximum value for a Secchi disk immersed in pure water is 80 m (262 ft). The original Secchi disk, which is used to measure water transparency or turbidity, was created in 1865 by Angelo Secchi.

• 80 m (262 ft) – Weddell Sea (Antarctica), 1986
• 66 m (217 ft) – Sargasso Sea, 1972
• 53 m (174 ft) – Eastern Mediterranean, 1985

SOURCE:
Verified by Diving Almanac & Book of Records official

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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.

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