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deep scattering layer

American  

noun

Oceanography.
  1. a zone of biological origin within the ocean, at a depth of 900–1200 feet (270–360 meters), which scatters sounding echoes.


deep scattering layer Scientific  
/ dēp /

Example Sentences

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Scripps Institution of Oceanography scientist Martin Johnson proposed an explanation: The deep scattering layer could be marine animals migrating up to the surface.

From Scientific American ● Dec. 6, 2021

When it comes to sheer biomass and relative distance traveled however, birds, butterflies and grandparents have nothing on the zooplankton that make up the deep scattering layer.

From Scientific American ● Dec. 1, 2015

Dr. Steinberg’s experiments often take her to the high seas, where she and her team catch the critters in the deep scattering layer to study.

From Scientific American ● Dec. 1, 2015

It's zooplankton. The deep scattering layer is a stampede of sea monkeys whose combined biomass renders their nightly trek to feed on phytoplankton near the surface the largest animal migration on the planet.

From Scientific American ● Dec. 1, 2015

While defense tactics are undisputedly important, it’s the immense biogeochemical impact of the organisms in the deep scattering layer that motivates the research of oceanographers using these acoustic techniques today.

From Scientific American ● Dec. 1, 2015

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