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EA:  WATERBODY_FLOOR_MORPHOLOGY

Status: STD 2005/06/07
Code: 1558
Concept definition: The morphology of a <WATERBODY_FLOOR>.
 
Attribute value type: ENUMERATION
Reference type: PR
Reference: [S57A, Attribute: CATSEA]
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		 WATERBODY_FLOOR_MORPHOLOGY ABYSSAL_HILLS A <WATERBODY_FLOOR_REGION>, on occasion extensive, of low (100 to 500 metres) elevations in an <ABYSS>; abyssal hills. 1 PR [S57A, Attribute, CATSEA:24]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY ABYSSAL_PLAIN An extensive, flat, gently sloping or nearly level <TERRAIN_PLAIN> in an <ABYSS>; abyssal plain. 2 PR [S57A, Attribute, CATSEA:18]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY APRON A gently dipping <SURFACE> without <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>s, underlain primarily by <SEDIMENT>, at the base of any steeper slope; apron. 3 PR [S57A, Attribute, CATSEA:25]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY ARCHIPELAGIC_APRON A gentle slope with a generally smooth <SURFACE>, characteristically found around groups of <ISLAND>s or <<<SEAMOUNT>>>s; archipelagic apron. 4 PR [S57A, Attribute, CATSEA:26]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY BANK An elevation over which the <<WATER_DEPTH>> is relatively shallow, but normally sufficient for safe navigation on the <WATERBODY_SURFACE>; bank. 5 PR [S57A, Attribute, CATSEA:3]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY BASIN <WATERBODY_BASIN>. 6      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY BENCH A level <<<TERRACE>>> that is raised and narrow and that breaks the continuity of a declivity of a <WATERBODY_FLOOR>; bench. 7 IR [ESCI]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY BORDERLAND A <WATERBODY_FLOOR_REGION> adjacent to a continent, normally occupied by or bordering a <<<SHELF>>>, that is highly irregular with <<WATER_DEPTH>>s well in excess of those typical of a <<<SHELF>>>; borderland. 8 PR [S57A, Attribute, CATSEA:27]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY CANYON <WATERBODY_FLOOR_CANYON>. 9      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY CANYON_LAND A <WATERBODY_FLOOR_REGION> including multiple <<<CANYON>>>s; canyon land. 10 IR [FACC, Annex B, SEA:58]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY CNTNTL_MARGIN The <WATERBODY_FLOOR_REGION>, generally consisting of <<<SHELF>>>, <<<SLOPE>>> and <<<RISE>>>, separating a continent from the <<<ABYSSAL_PLAIN>>> or <<<DEEP>>>; continental margin. 11 PR [S57A, Attribute, CATSEA:28]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY CNTNTL_RISE A gentle slope rising from the depths of a <WATERBODY> towards the foot of a continental <<<SLOPE>>>; continental rise. 12 PR [S57A, Attribute, CATSEA:29]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY CRATER A circular <TERRAIN_DEPRESSION>; crater. 13 IR [FACC, Annex B, SEA:59]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY DEEP An obsolete term generally restricted to <<WATER_DEPTH>>s greater than 6 000 metres; deep. 14 PR [S57A, Attribute, CATSEA:4]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY ESCARPMENT An elongated and comparatively steep slope separating gently sloping <WATERBODY_FLOOR_REGION>s; escarpment. An escarpment is also called a scarp. 15 PR [S57A, Attribute, CATSEA:30]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY FAN A relatively smooth, fan-like, depositional <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION> normally sloping away from the outer termination of a <<<CANYON>>>, or <SYSTEM> of <<<CANYON>>>s; fan. A fan is also called a cone. 16 PR [S57A, Attribute, CATSEA:31]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY FLAT A level <WATERBODY_FLOOR_REGION> frequently uncovered at low <TIDE>; flat. 17 PR [S57A, Attribute, CATSEA:8]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY FRACTURE_ZONE An extensive linear zone of irregular topography, characterized by steep-sided or asymmetrical <<<RIDGE>>>s, <<<TROUGH>>>s or <<<ESCARPMENT>>>s; fracture zone. 18 PR [S57A, Attribute, CATSEA:32]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY GAP A narrow break or gap in a <<<RIDGE>>> or a <<<RISE>>>. 19 PR [S57A, Attribute, CATSEA:33]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY GAT A natural or artificial passage or channel through <<<SHOAL>>>s or steep <<<BANK>>>s or across a line of <<<BANK>>>s lying between two channels; gat. 20 PR [S57A, Attribute, CATSEA:2]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY GUYOT A <<<SEAMOUNT>>> having a comparatively smooth flat top; guyot. A guyot is also called a tablemount. 21 PR [S57A, Attribute, CATSEA:34]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY HILL <HILL>. 22      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY HOLE A local <TERRAIN_DEPRESSION>, often steep-sided; hole. 23 PR [S57A, Attribute, CATSEA:36]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY KNOLL A relatively small isolated elevation of a rounded shape; knoll. 24 PR [S57A, Attribute, CATSEA:14]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY LEDGE A rocky formation continuous with and fringing a <SHORE>; ledge. 25 PR [S57A, Attribute, CATSEA:10]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY LEVEE A depositional embankment bordering a <<<CANYON>>>, <<<VALLEY>>> or <<<SEA_CHANNEL>>>; levee. 26 PR [S57A, Attribute, CATSEA:37]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY LOWLAND Lowland. 27 IR [FACC, Annex B, SEA:57]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY MARINE_BAY <MARINE_BAY>. 28      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY MEDIAN_VALLEY The axial <TERRAIN_DEPRESSION> of a mid-oceanic <<<RIDGE>>>; median valley. 29 PR [S57A, Attribute, CATSEA:38]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY MOAT An annular <TERRAIN_DEPRESSION> that may not be continuous, located at the base of many isolated elevations (for example: a <SEAMOUNT> and/or an <ISLAND>); moat. 30 PR [S57A, Attribute, CATSEA:39]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY MOUNTAIN <MOUNTAIN>. 31      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY MUD_FLAT A relatively level, sandy or muddy coastal <TERRAIN_STRIP> along a <SHORE> or around an <ISLAND>; mud flat. A mud flat may be alternately covered and uncovered by the <TIDE> or may be covered by shallow <WATER>. 32 IR [ESCI]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY NARROW A navigable narrow part of a <MARINE_BAY>, <MARINE_STRAIT>, or <RIVER>. 33 PR [S57A, Attribute, CATSEA:12]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY NONE_IDENTIFIED A <WATERBODY_FLOOR_REGION> with no identified morphology; none identified. 34 IR [FACC, Annex B, SEA:1]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY PEAK A prominent elevation either pointed or of a very limited extent across the summit; peak. 35 PR [S57A, Attribute, CATSEA:41]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY PINNACLE A high tower or spire-shaped pillar of <ROCK> or <CORAL>, alone or cresting a summit that may extend above the <WATERBODY_SURFACE> and may be an <UNDERWATER_HAZARD>; pinnacle. 36 PR [S57A, Attribute, CATSEA:17]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY PLATEAU A <PLATEAU>, one or more sides of which drop off abruptly. 37 IR [S57A, Attribute, CATSEA:19]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY PROVINCE <BATHYMETRIC_PROVINCE>. 38      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY REEF <REEF>. 39      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY RIDGE A narrow <WATERBODY_FLOOR_RIDGE>. 40 IR [S57A, Attribute, CATSEA:15]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY RISE A broad elevation that rises gently and generally smoothly from the <WATERBODY_FLOOR> forming a <<<RIDGE>>>; rise. 41 IR [S57A, Attribute, CATSEA:43]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SADDLE A broad pass, resembling in shape a riding saddle, in a <<<RIDGE>>> or between contiguous <<<SEAMOUNT>>>s. 42 PR [S57A, Attribute, CATSEA:23]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SEAMOUNT <SEAMOUNT>. 44      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SEAMOUNT_CHAIN A <NON_EMPTY_SET> of <<<SEAMOUNT>>>s in linear or arcuate alignment; seamount chain. 45 PR [S57A, Attribute, CATSEA:45]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SEA_CHANNEL A continuously sloping <TERRAIN_CHANNEL> commonly found in <<<FAN>>>s or <<<ABYSSAL_PLAIN>>>s and customarily bordered by <<<LEVEE>>>s on one or both sides; sea channel. 43 PR [S57A, Attribute, CATSEA:44]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SHELF A <WATERBODY_FLOOR_REGION> adjacent to a continent (or around an <ISLAND>) and extending from the <LOW_WATER_LINE> to a depth at which there is usually a marked increase of downward slope; shelf. 46 PR [S57A, Attribute, CATSEA:21]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SHELF_EDGE A narrow <REGION> at the seaward margin of a <<<SHELF>>> along which is a marked increase of slope; shelf edge. 47 PR [S57A, Attribute, CATSEA:46]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SHOAL <SHOAL>. 48      
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SILL A <WATERBODY_FLOOR_REGION> of relatively shallow depth restricting the movement of <WATER> between <<<BASIN>>>s; sill. 49 PR [S57A, Attribute, CATSEA:47]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SLOPE The slope seaward from the <<<SHELF_EDGE>>> to the upper edge of a <<<CNTNTL_RISE>>> or where there is a general reduction in slope. 50 PR [S57A, Attribute, CATSEA:48]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY SPUR A subordinate elevation, <<<RIDGE>>>, or <<<RISE>>> projecting outward from a larger <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>; spur. 51 PR [S57A, Attribute, CATSEA:20]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY 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. 52 PR [S57A, Attribute, CATSEA:49]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY TRENCH <WATERBODY_FLOOR_TRENCH>. 53     [S57A, Attribute, CATSEA:6]
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY TROUGH A long <TERRAIN_DEPRESSION>, characteristically flat bottomed and steep-sided and normally shallower than a <<<TRENCH>>>; trough. 54 PR [S57A, Attribute, CATSEA:22]  
STD
2005/06/07		 WATERBODY_FLOOR_MORPHOLOGY 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. 55 PR [S57A, Attribute, CATSEA:50]  
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