deep scattering layer

English

From being a layer of the ocean that lies deep, and scatters sonar signals.

deep scattering layer (plural deep scattering layers)

(oceanography) A layer of the ocean lying usually 300-500 metres deep composed of dense concentrations of pelagic animal life, that moves depending on the time of day, up at night and down during the day. It sometimes appear as if it were the seabed on sonar scopes, due to the density of life in the layer.

单词	deep scattering layer
释义	deep scattering layer English Etymology From being a layer of the ocean that lies deep, and scatters sonar signals. Noun deep scattering layer (plural deep scattering layers) (oceanography) A layer of the ocean lying usually 300-500 metres deep composed of dense concentrations of pelagic animal life, that moves depending on the time of day, up at night and down during the day. It sometimes appear as if it were the seabed on sonar scopes, due to the density of life in the layer. Synonyms DSL ECR layer Eyring-Christensen-Raitt layer false bottom phantom bottom sound scattering layer SSL Derived terms DSL
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