How the largest daily migration on Earth stores carbon in the ocean
Briefly

The twilight zone of the ocean, located between 200-1000 meters below the surface, hosts many fish and is significant for carbon cycling. Historical observations during World War II noted unexplainable movements of the ocean floor in this zone, where sonograms indicated it was shifting up and down daily. This phenomenon raised scientific questions about its impact on carbon storage in ocean depths and the difficulty of studying this dark and remote environment.
The twilight zone of the ocean is a mysterious place, located between 200-1000 meters deep, where many fish reside and carbon cycling occurs.
During World War II, sonograms revealed puzzling movements of the ocean floor in the twilight zone, raising questions about its dynamics and carbon storage.
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