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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
7Categories 223518Terms
Add a new termContributors in Earth science
Earth science > Physical oceanography 
basin
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a depression, in the sea floor, more or less equidimensional in plan and of variable extent.”
seamount
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a discrete (or group of) large isolated elevation(s), greater than 1000m in relief above the sea floor, ...
plateau
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a flat or nearly flat elevation of considerable areal extent, dropping off abruptly on one or more sides.”
continental rise
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a gentle slope rising from the oceanic depths towards the foot of a continental slope.”
archipelagic plain
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a gentle slope with a generally smooth surface of the sea floor, characteristically found around groups of islands ...
apron
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a gently dipping surface, underlain primarily by sediment, at the base of any steeper slope.”
seamount chain
Earth science; Physical oceanography
The official IHO definition for this undersea feature name is “a linear or arcuate alignment of discrete seamounts, with their bases clearly separated.”
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)