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Science Keywords > EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > TRENCHES

Preferred term

TRENCHES  

Definition

  • Trenches are long, deep (6,000-11,000m/20,000-36,000ft), and narrow depression of the sea floor with relatively steep sides, associated with a subduction zone. The deepest of all ocean trenches, is the Mariana Trench (11,020 m/36,000 ft). (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/36040c6a-5e3a-49fe-b519-162fb77a0fd4

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