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marine snow

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
marine snow [mə′rēn ′snō]
(oceanography)
A concentration of living and dead organic material and inorganic debris of the sea suspended at density boundaries such as the thermocline.


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About 300 of the terms are new or revised for this edition, including aragonite, biogeochemical cycling, euphotic zone, Global Ocean Observing System, International Polar Year, marine snow, sea ice biome, and trace metals.
In the late 1980s, Buesseler developed a technique to track marine snow by using thorium-234, a naturally occurring radioactive element in seawater that sticks to the particles.
My specialty is measuring radioactive isotopes in the ocean, especially thorium-234, which is "sticky"--it tends to bind to sinking particles and marine snow.
 
 
 
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