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EA:  OCEAN_FLOOR_REGION_NAME_TYPE

Status: STD 2005/06/07
Code: 918
Concept definition: The type of a named <REGION> of the <OCEAN_FLOOR> that has measurable relief or is delimited by relief.
 
Attribute value type: ENUMERATION
Reference type: PR
Reference: [SUFN, page 2-1, sub-paragraph I-B]
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07		 OCEAN_FLOOR_REGION_NAME-
_TYPE		 TERRACE A relatively flat horizontal or gently inclined <WATERBODY_FLOOR_REGION>, sometimes long and narrow, which is bounded by a steeper ascending slope on one side and by a steeper descending slope on the opposite side; terrace. 61 PR [SUFN, "terrace"]  
STD
2005/06/07		 OCEAN_FLOOR_REGION_NAME-
_TYPE		 TRENCH <WATERBODY_FLOOR_TRENCH>. 62     [SUFN, "trench"]
STD
2005/06/07		 OCEAN_FLOOR_REGION_NAME-
_TYPE		 TROUGH A long <TERRAIN_DEPRESSION>, characteristically flat bottomed and steep-sided and normally shallower than a <<<TRENCH>>>; trough. 63 PR [SUFN, "trough"]  
STD
2005/06/07		 OCEAN_FLOOR_REGION_NAME-
_TYPE		 VALLEY A relatively shallow, wide <TERRAIN_DEPRESSION>, the <WATERBODY_FLOOR> of which usually has a continuous gradient; valley. This term is generally not used for <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>s that have characteristics of <<<CANYON>>>s for a significant portion of their extent. 64 PR [SUFN, "valley"]  
STD
2005/06/07		 OCEAN_FLOOR_REGION_NAME-
_TYPE		 ZONE An extensive linear <REGION> identifiable by a number of shared physiographic characteristics that are markedly in contrast with those in the surrounding <REGION>s; zone. 65 [SUFN]
Group membership:

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