System Glossary
 Glossary Search for deep scattering layer (Search Options)

Definition of Term

deep scattering layer
(english) A relatively thin layer of organisms in most oceanic waters which scatter sound; the DSL tends to raise at night, and to descend during daytime, also: A layer in mid-depths of the sea detected by echo sounders, which rises at night and sinks during the day. Composed of organisms, many of which have a gas filled chamber, such as certain jellyfish and fishes. Also called false bottom. (See also: acoustics, sonar, echo ranging)
couche dispersante profonde
(french) Une couche relativement fine des organismes dans la plupart des eaux océaniques qui éparpillent le son; la couche dispersante profonde a tendance de monter le soir, et de descendre pendant la journée. (See also: acoustics, sonar, echo ranging)
DSL
(portuguese) Estrato composto de organismos existente na maior parte das águas oceânicas que reflectem ondas sonoras. Este estrato orgânico sobe na coluna de água à noite desce durante o dia. (See also: acoustics, sonar, echo ranging)

Other Search Engines

European Environment Agency Glossary of the European Environmental Agency
Wikipedia The Free Encyclopedia
Encyclopedia Britannica Highly authoritative source
EPA Terms Glossary of the U.S. Environmental Protection Agency
LingInfo Glossary of biological terms
Google Search The largest Internet Search Engine
Google Image Search for Images related to the term
Glossary Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Search
Update Glossary Entry | Add Glossary Entry
Back to Top