EDCS Attribute Symbolic Constant: EAC_WAKE_INTENSITY

EDCS Attribute Code: 1334

Definition:
The production rate of <WATER_BODY_SURFACE> wakes induced by <VESSEL> movement relative to <WATER_WAVE>s and <WATER_CURRENT>s, expressed as fraction of maximum. The value may be interpreted as follows: 1/4: Small, 2/4: Medium, 3/4: Large, 4/4: Maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: WATER_BODY_SURFACE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WALL_PREDOMINANT_PATTERN

EDCS Attribute Code: 1335

Definition:
The predominant visual pattern of the exterior <WALL>s of a <STRUCTURE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BRICK	EEC_WALLPREDPAT_BRICK	Consist of moulded rectangular blocks of clay baked by the sun or in a kiln until hard and used as a building and paving material.	NR
2	CLAPBOARD	EEC_WALLPREDPAT_CLAPBOARD	Horizontal and appears to be constructed using long thin boards with one edge thicker than the other, where a board is lapped over the board below.	NR
3	CORRUGATED	EEC_WALLPREDPAT_CORRUGATED	Alternating ridges and grooves in a parallel pattern, often of metal.	NR
4	LOG	EEC_WALLPREDPAT_LOG	Horizontal and comprised of heavy timbers that may retain their rounded shape.	NR
5	MOSAIC	EEC_WALLPREDPAT_MOSAIC	Consists of small coloured pieces, as of stone or tile in a decorative pattern.	NR
6	MULTIPLE_PATTERNS_PRESENT	EEC_WALLPREDPAT_MULTIPLE_PATTERNS_PRESENT	Walls have more then one pattern, or an aggregate object has multiple single-pattern walls.	NR
7	NO_PATTERN_PRESENT	EEC_WALLPREDPAT_NO_PATTERN_PRESENT	No pattern is present.	NR
8	RECTANGULAR	EEC_WALLPREDPAT_RECTANGULAR	Predominant pattern composed primarily of rectangles.	NR
9	RUBBLE	EEC_WALLPREDPAT_RUBBLE	Consists of irregularly shaped and sized fragments consistent with the destruction of a previously intact <SURFACE>.	NR
10	SMOOTH	EEC_WALLPREDPAT_SMOOTH	<SURFACE> is uniform and appears to have no texture.	NR
11	STUCCO	EEC_WALLPREDPAT_STUCCO	A wall finish of a rough pattern, usually composed of cement, <SAND>, and lime.	NR
12	TIMBER_FRAME	EEC_WALLPREDPAT_TIMBER_FRAME	Consists of a pattern of timbers, supporting a secondary material such as stucco.	NR
13	WINDOW_WITH_GLASS	EEC_WALLPREDPAT_WINDOW_WITH_GLASS	Predominantly smooth and transparent or reflective, composed principally of windows or glass.	NR

EDCS Group Labels: SURFACE_MATERIAL

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WALL_PREDOMINANT_SURFACE_MATERIAL

EDCS Attribute Code: 1336

Definition:
The predominant outermost <WALL> <SURFACE> covering <MATERIAL>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ALUMINUM	EEC_WALLPREDSRFMAT_ALUMINUM	A highly ductile, malleable and conductive element, atomic number 13, that is resistant to corrosion and wear, and is widely used in alloys for beverage cans, household utensils, aircraft and automobile parts, electrical equipment, and many other products.	IR	[APDS]
2	CEMENT	EEC_WALLPREDSRFMAT_CEMENT	A material created by grinding calcined limestone and clay to a fine powder, which can be mixed with water and poured to set as a solid mass or used as an ingredient in making mortar or concrete.	IR	[APDS]
3	COBBLE	EEC_WALLPREDSRFMAT_COBBLE	Rectangular stone with curved top; once used to make roads.	NR
4	CONCRETE	EEC_WALLPREDSRFMAT_CONCRETE	A hard, strong construction material consisting of <SAND>, conglomerate gravel, pebbles, broken stone, or slag in a mortar or cement matrix.	IR	[APDS]
5	CONGLOMERATE	EEC_WALLPREDSRFMAT_CONGLOMERATE	Loosely cemented heterogeneous material.	NR
6	EARTHEN	EEC_WALLPREDSRFMAT_EARTHEN	Made from the loose, fragmented material that composes part of the <TERRAIN>.	IR	[APDS]
7	GLASS	EEC_WALLPREDSRFMAT_GLASS	A brittle, noncrystalline, usually transparent or translucent material that is generally formed by the fusion of dissolved silica and silicates with soda and lime.	IR	[APDS]
8	MARBLE	EEC_WALLPREDSRFMAT_MARBLE	Resembling or suggesting metamorphic rock, as in being very hard, smooth, or cold; mottled in appearance.	NR
9	MASONRY	EEC_WALLPREDSRFMAT_MASONRY	Constructed of stone, brick, tiles, or the like.	NR
10	METAL	EEC_WALLPREDSRFMAT_METAL	Any of a class of elements (or alloy thereof) that generally are solid at ordinary temperatures, have a greyish colour and a shiny <SURFACE>, and will conduct heat and electricity well.	IR	[APDS]
11	MUD	EEC_WALLPREDSRFMAT_MUD	Any very wet, soft <SOIL>.	IR	[APDS]
12	NO_WALL_PRESENT	EEC_WALLPREDSRFMAT_NO_WALL_PRESENT	No wall is present.	NR
13	PLASTIC	EEC_WALLPREDSRFMAT_PLASTIC	Any of various synthetic or organic materials that can be moulded or shaped, generally when heated, and then hardened into a desired form; for example, polymers, resins, and cellulose derivatives.	IR	[APDS]
14	REINFORCED_CONCRETE	EEC_WALLPREDSRFMAT_REINFORCED_CONCRETE	Concrete in which steel bars or wires (at least 0,6 percent by volume) are embedded to increase tensile load-bearing capacity.	IR	[APDS]
15	SHINGLE	EEC_WALLPREDSRFMAT_SHINGLE	A thin piece of wood, slate, or other material, usually rectangular and 20-25 centimetres across; laid in overlapping rows to cover the roof or walls of a <BUILDING>.	IR	[APDS]
16	STEEL	EEC_WALLPREDSRFMAT_STEEL	Any of various alloys of the elements iron and carbon containing less than 2,5 percent carbon, usually also with lesser amounts of other elements, having substantial qualities of strength, hardness, and malleability.	IR	[APDS]
17	STONE	EEC_WALLPREDSRFMAT_STONE	Aggregation of solid mineral matter, also known as rock. Stone is commonly classified, according to its origin, into one of 3 major categories: igneous rock (formed by the cooling of magma), sedimentary rock (formed by the consolidation of sediments), and metamorphic rock (formed by extreme heat and pressure from other types of rock, including older metamorphic rock).	NR
18	VINYL_SIDING	EEC_WALLPREDSRFMAT_VINYL_SIDING	A facing manufactured from vinyl used to protect wood frame <BUILDING>s from the elements.	IR	[APDS]
19	WOOD	EEC_WALLPREDSRFMAT_WOOD	The hard ligneous substance, composed primarily of xylem, that is found under the bark of the trunks and branches of <TREE>s and shrubs.	IR	[APDS]

EDCS Group Labels: SURFACE_MATERIAL

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WALL_TYPE

EDCS Attribute Code: 1337

Definition:
The type of a <WALL>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	RETAINING	EEC_WALLTY_RETAINING	A wall built to hold in place a mass of <SOIL>, often at the edge of a terrace or excavation.	IR	[APDS]
2	STANDING	EEC_WALLTY_STANDING	A wall that does not have a retaining function.	NR

EDCS Group Labels: ANCILLARY_ARTEFACT

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_FLOOR_CONFIGURATION

EDCS Attribute Code: 1338

Definition:
The type of <WATER_BODY_FLOOR_TOPOGRAPHIC_CONFIGURATION>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BREAK_IN_SLOPE	EEC_WTRBDFLRCGF_BREAK_IN_SLOPE	Break in slope.	NR
2	DEPRESSION_FLAT_BOTTOM	EEC_WTRBDFLRCGF_DEPRESSION_FLAT_BOTTOM	Depression flat bottom.	NR
3	DEPRESSION_SEDIMENT_FILLED	EEC_WTRBDFLRCGF_DEPRESSION_SEDIMENT_FILLED	Depression sediment filled.	NR
4	DEPRESSION_STEEP_SIDED	EEC_WTRBDFLRCGF_DEPRESSION_STEEP_SIDED	Depression steep sided.	NR
5	DEPRESSION_V_SHAPED	EEC_WTRBDFLRCGF_DEPRESSION_V_SHAPED	Depression v shaped.	NR
6	DOUBLE_BREAK_IN_SLOPE	EEC_WTRBDFLRCGF_DOUBLE_BREAK_IN_SLOPE	Double break in slope.	NR
7	ELEVATION_FLAT_TOPPED	EEC_WTRBDFLRCGF_ELEVATION_FLAT_TOPPED	Elevation flat topped.	NR
8	ELEVATION_PEAKED	EEC_WTRBDFLRCGF_ELEVATION_PEAKED	Elevation peaked.	NR
9	ELEVATION_ROUNDED	EEC_WTRBDFLRCGF_ELEVATION_ROUNDED	Elevation rounded.	NR
10	SCARP_PROBABLY_FAULTED	EEC_WTRBDFLRCGF_SCARP_PROBABLY_FAULTED	Scarp, probably faulted.	NR
11	SLUMP_DEBRIS	EEC_WTRBDFLRCGF_SLUMP_DEBRIS	Slump debris.	NR
12	SLUMPED_BLOCKS	EEC_WTRBDFLRCGF_SLUMPED_BLOCKS	Slumped blocks.	NR
13	STEP	EEC_WTRBDFLRCGF_STEP	Step.	NR
14	TERRACE	EEC_WTRBDFLRCGF_TERRACE	Terrace.	NR

EDCS Group Labels: BATHYMETRY, WATER_BODY_FLOOR

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_FLOOR_GRAZING_ANGLE

EDCS Attribute Code: 1339

Definition:
The mean angle between the horizontal plane at the <WATER_BODY_FLOOR> and the scattered acoustic rays.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ACOUSTIC_PHENOMENON, ANGULAR_MEASURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_FLOOR_MATERIAL_TYPE

EDCS Attribute Code: 1340

Definition:
The predominant type of <MATERIAL> composition of the <WATER_BODY_FLOOR>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BEDROCK	EEC_WTRBDFLRMATTY_BEDROCK	The solid, undisturbed rock underlying the <SOIL> or other unconsolidated <SURFACE> material.	IR	[APDS]
2	CLAY_AND_SILT	EEC_WTRBDFLRMATTY_CLAY_AND_SILT	Clay and silt.	NR
3	CORAL	EEC_WTRBDFLRMATTY_CORAL	The calcium carbonate skeleton of certain colonial anthozoan coelenterates known as coral.	NR
4	GRAVEL_AND_COBBLE	EEC_WTRBDFLRMATTY_GRAVEL_AND_COBBLE	Gravel and cobble.	NR
5	MIXED_QUALITIES	EEC_WTRBDFLRMATTY_MIXED_QUALITIES	Mixed qualities.	NR
6	PAVED	EEC_WTRBDFLRMATTY_PAVED	Paved.	NR
7	PEAT	EEC_WTRBDFLRMATTY_PEAT	Peat.	NR
8	ROCKS_AND_BOULDERS	EEC_WTRBDFLRMATTY_ROCKS_AND_BOULDERS	Rocks and boulders.	NR
9	ROCKY_OUTCROP	EEC_WTRBDFLRMATTY_ROCKY_OUTCROP	Rocky outcrop or seamount.	NR
10	SAND	EEC_WTRBDFLRMATTY_SAND	A small, somewhat rounded fragment or particle of rock ranging from 0,05 to 2 millimetres in diameter, and commonly composed of quartz.	NR
11	SAND_AND_GRAVEL	EEC_WTRBDFLRMATTY_SAND_AND_GRAVEL	Small, loose grains of worn or disintegrated rock combined with crushed rock.	NR
12	SAND_AND_MUD	EEC_WTRBDFLRMATTY_SAND_AND_MUD	A mixture of <SAND> and mud.	NR
13	SILTY_SANDS	EEC_WTRBDFLRMATTY_SILTY_SANDS	Silty sands.	NR
14	SLASH	EEC_WTRBDFLRMATTY_SLASH	Slash.	NR

EDCS Group Labels: WATER_BODY_FLOOR

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_FLOOR_MORPHOLOGY

EDCS Attribute Code: 1341

Definition:
The morphology of a <WATER_BODY_FLOOR>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ABYSSAL_HILLS	EEC_WTRBDYFLRMRPH_ABYSSAL_HILLS	A tract, on occasion extensive, of low (100-500 metres) elevations on the deep sea floor; abyssal hills.	PR	[S57A, Attribute, CATSEA:24]
2	ABYSSAL_PLAIN	EEC_WTRBDYFLRMRPH_ABYSSAL_PLAIN	An extensive, flat, gently sloping or nearly level region at abyssal depths; an abyssal plain.	PR	[S57A, Attribute, CATSEA:18]
3	APRON	EEC_WTRBDYFLRMRPH_APRON	A gently dipping featureless <SURFACE>, underlain primarily by sediment, at the base of any steeper slope; an apron.	PR	[S57A, Attribute, CATSEA:25]
4	ARCHIPELAGIC_APRON	EEC_WTRBDYFLRMRPH_ARCHIPELAGIC_APRON	A gentle slope with a generally smooth <SURFACE> on the sea floor, characteristically found around groups of islands or seamounts; an archipelagic apron.	PR	[S57A, Attribute, CATSEA:26]
5	BANK	EEC_WTRBDYFLRMRPH_BANK	An elevation over which the depth of water is relatively shallow, but normally sufficient for safe <SURFACE> navigation; a bank.	PR	[S57A, Attribute, CATSEA:3]
6	BASIN	EEC_WTRBDYFLRMRPH_BASIN	A depression, characteristically in the deep sea floor, more or less equidimensional in plan and of variable extent; a basin.	PR	[S57A, Attribute, CATSEA:7]
7	BAY	EEC_WTRBDYFLRMRPH_BAY	An indentation in the coastline forming a bay.	PR	[S57A, Attribute, CATSEA:5]
8	BENCH	EEC_WTRBDYFLRMRPH_BENCH	A level terrace that is raised and narrow and that breaks the continuity of a declivity of the floor.	IR	[ESCI]
9	BORDERLAND	EEC_WTRBDYFLRMRPH_BORDERLAND	A region adjacent to a continent, normally occupied by or bordering a shelf, that is highly irregular with depths well in excess of those typical of a shelf; borderland.	PR	[S57A, Attribute, CATSEA:27]
10	CANYON	EEC_WTRBDYFLRMRPH_CANYON	A relatively narrow, deep depression with steep sides, the <WATER_BODY_FLOOR> of which generally has a continuous slope, developed characteristically on some continental slopes; a canyon.	PR	[S57A, Attribute, CATSEA:11]
11	CANYON_LAND	EEC_WTRBDYFLRMRPH_CANYON_LAND	A region including multiple canyons.	NR
12	CONTINENTAL_MARGIN	EEC_WTRBDYFLRMRPH_CONTINENTAL_MARGIN	The zone, generally consisting of shelf, slope and rise, separating the continent from the abyssal plain or deep sea floor; the continental margin.	PR	[S57A, Attribute, CATSEA:28]
13	CONTINENTAL_RISE	EEC_WTRBDYFLRMRPH_CONTINENTAL_RISE	A gentle slope rising from the oceanic depths towards the foot of a continental slope.	PR	[S57A, Attribute, CATSEA:29]
14	CRATER	EEC_WTRBDYFLRMRPH_CRATER	A circular depression in the floor of a water basin.	NR
15	DEEP	EEC_WTRBDYFLRMRPH_DEEP	A deep is an obsolete term generally restricted to depths greater than 6 000 metres.	IR	[S57A, Attribute, CATSEA:4]
16	ESCARPMENT	EEC_WTRBDYFLRMRPH_ESCARPMENT	An elongated and comparatively steep slope separating gently sloping regions; an escarpment or scarp.	IR	[S57A, Attribute, CATSEA:30]
17	FAN	EEC_WTRBDYFLRMRPH_FAN	A relatively smooth, fan-like, depositional feature normally sloping away from the outer termination of a canyon or canyon system; a fan or cone.	PR	[S57A, Attribute, CATSEA:31]
18	FLAT	EEC_WTRBDYFLRMRPH_FLAT	A level tract of land frequently uncovered at low tide; a flat.	PR	[S57A, Attribute, CATSEA:8]
19	FRACTURE_ZONE	EEC_WTRBDYFLRMRPH_FRACTURE_ZONE	An extensive linear zone of irregular topography of the sea floor, characterized by steep-sided or asymmetrical ridges, troughs or escarpments; a fracture zone.	PR	[S57A, Attribute, CATSEA:32]
20	GAP	EEC_WTRBDYFLRMRPH_GAP	A narrow break or gap in a ridge or a rise.	PR	[S57A, Attribute, CATSEA:33]
21	GAT	EEC_WTRBDYFLRMRPH_GAT	A natural or artificial passage or channel through shoals or steep banks, or across a line of banks lying between two channels; a gat.	PR	[S57A, Attribute, CATSEA:2]
22	GENERIC	EEC_WTRBDYFLRMRPH_GENERIC	A generic expanse of water basin floor.	NR
23	GUYOT	EEC_WTRBDYFLRMRPH_GUYOT	A seamount having a comparatively smooth flat top; a guyot or tablemount.	PR	[S57A, Attribute, CATSEA:34]
24	HILL	EEC_WTRBDYFLRMRPH_HILL	A small isolated elevation or hill.	PR	[S57A, Attribute, CATSEA:35]
25	HOLE	EEC_WTRBDYFLRMRPH_HOLE	A local depression, often steep sided, of the sea floor; a hole.	PR	[S57A, Attribute, CATSEA:36]
26	KNOLL	EEC_WTRBDYFLRMRPH_KNOLL	A relatively small isolated elevation of a rounded shape; a knoll.	PR	[S57A, Attribute, CATSEA:14]
27	LEDGE	EEC_WTRBDYFLRMRPH_LEDGE	A rocky formation continuous with and fringing the shore; a ledge.	PR	[S57A, Attribute, CATSEA:10]
28	LEVEE	EEC_WTRBDYFLRMRPH_LEVEE	A depositional embankment bordering a canyon, valley or deep-sea channel; a levee.	PR	[S57A, Attribute, CATSEA:37]
29	LOWLAND	EEC_WTRBDYFLRMRPH_LOWLAND	Lowland.	NR
30	MEDIAN_VALLEY	EEC_WTRBDYFLRMRPH_MEDIAN_VALLEY	The axial depression of the mid-oceanic ridge system; a median valley.	PR	[S57A, Attribute, CATSEA:38]
31	MOAT	EEC_WTRBDYFLRMRPH_MOAT	An annular depression that may not be continuous, located at the base of many seamounts, islands and other isolated elevations; a moat.	PR	[S57A, Attribute, CATSEA:39]
32	MOUNTAIN	EEC_WTRBDYFLRMRPH_MOUNTAIN	A large and complex grouping of ridges and seamounts; mountain.	PR	[S57A, Attribute, CATSEA:40]
33	MUD_FLAT	EEC_WTRBDYFLRMRPH_MUD_FLAT	A relatively level, sandy or muddy coastal strip along a shore or around an island; may be alternately covered and uncovered by the tide or may be covered by shallow water.	IR	[ESCI]
34	NARROW	EEC_WTRBDYFLRMRPH_NARROW	A navigable narrow part of a bay, strait, or river; a narrows.	PR	[S57A, Attribute, CATSEA:12]
35	PEAK	EEC_WTRBDYFLRMRPH_PEAK	A prominent elevation either pointed or of a very limited extent across the summit; a peak.	PR	[S57A, Attribute, CATSEA:41]
36	PINNACLE	EEC_WTRBDYFLRMRPH_PINNACLE	Any high tower or spire-shaped pillar or rock or coral, alone or cresting a summit which may extend above the <SURFACE> of the water and may or may not be a hazard to <SURFACE> navigation; a pinnacle.	PR	[S57A, Attribute, CATSEA:17]
37	PLATEAU	EEC_WTRBDYFLRMRPH_PLATEAU	A flat or nearly flat region of considerable extent, dropping off abruptly on one or more sides; a plateau.	IR	[S57A, Attribute, CATSEA:19]
38	PROVINCE	EEC_WTRBDYFLRMRPH_PROVINCE	A region identifiable by a group of similar physiographic features whose characteristics are markedly in contrast with surrounding regions; a province.	IR	[S57A, Attribute, CATSEA:42]
39	REEF	EEC_WTRBDYFLRMRPH_REEF	A rock lying at or near the sea <SURFACE> that may constitute a hazard to <SURFACE> navigation; a reef.	PR	[S57A, Attribute, CATSEA:9]
40	RIDGE	EEC_WTRBDYFLRMRPH_RIDGE	A long, narrow elevation with steep sides forming a ridge.	IR	[S57A, Attribute, CATSEA:15]
41	RISE	EEC_WTRBDYFLRMRPH_RISE	A broad elevation that rises gently and generally smoothly from the sea floor forming a ridge.	IR	[S57A, Attribute, CATSEA:43]
42	SADDLE	EEC_WTRBDYFLRMRPH_SADDLE	A broad pass, resembling in shape a riding saddle, in a ridge or between contiguous seamounts.	PR	[S57A, Attribute, CATSEA:23]
43	SEA_CHANNEL	EEC_WTRBDYFLRMRPH_SEA_CHANNEL	A continuously sloping, elongated narrow depression commonly found in fans or abyssal plains and customarily bordered by levees on one or both sides; a sea channel.	PR	[S57A, Attribute, CATSEA:44]
44	SEAMOUNT	EEC_WTRBDYFLRMRPH_SEAMOUNT	A large isolated elevation, greater than 1 000 metres in relief above the sea floor, characteristically of conical form; a seamount.	PR	[S57A, Attribute, CATSEA:16]
45	SEAMOUNT_CHAIN	EEC_WTRBDYFLRMRPH_SEAMOUNT_CHAIN	Several seamounts in linear or arcuate alignment; termed a seamount chain or seamounts.	PR	[S57A, Attribute, CATSEA:45]
46	SHELF	EEC_WTRBDYFLRMRPH_SHELF	A zone 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 slope towards oceanic depths; a shelf.	PR	[S57A, Attribute, CATSEA:21]
47	SHELF_EDGE	EEC_WTRBDYFLRMRPH_SHELF_EDGE	A narrow zone at the seaward margin of a shelf along which is a marked increase of slope; a shelf edge or shelf break.	PR	[S57A, Attribute, CATSEA:46]
48	SHOAL	EEC_WTRBDYFLRMRPH_SHOAL	An offshore hazard to <SURFACE> navigation that is composed of unconsolidated material; a shoal.	PR	[S57A, Attribute, CATSEA:13]
49	SILL	EEC_WTRBDYFLRMRPH_SILL	A sea floor barrier of relatively shallow depth restricting water movement between basins; a sill.	PR	[S57A, Attribute, CATSEA:47]
50	SLOPE	EEC_WTRBDYFLRMRPH_SLOPE	The slope seaward from the shelf edge to the upper edge of a continental rise or the point where there is a general reduction in slope.	PR	[S57A, Attribute, CATSEA:48]
51	SPUR	EEC_WTRBDYFLRMRPH_SPUR	A subordinate elevation, ridge or rise projecting outward from a larger feature; a spur.	PR	[S57A, Attribute, CATSEA:20]
52	TERRACE	EEC_WTRBDYFLRMRPH_TERRACE	A relatively flat horizontal or gently inclined <SURFACE>, 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; a terrace.	PR	[S57A, Attribute, CATSEA:49]
53	TRENCH	EEC_WTRBDYFLRMRPH_TRENCH	A long narrow, characteristically very deep and asymmetrical depression of the sea floor, with relatively steep sides; a trench.	PR	[S57A, Attribute, CATSEA:6]
54	TROUGH	EEC_WTRBDYFLRMRPH_TROUGH	A long depression of the sea floor characteristically flat <WATER_BODY_FLOOR>ed and steep sided and normally shallower than a trench; a trough.	PR	[S57A, Attribute, CATSEA:22]
55	VALLEY	EEC_WTRBDYFLRMRPH_VALLEY	A relatively shallow, wide depression, the <WATER_BODY_FLOOR> of which usually has a continuous gradient. This term is generally not used for features that have canyon-like characteristics for a significant portion of their extent; a valley, submarine valley or sea valley.	PR	[S57A, Attribute, CATSEA:50]
56	WATT	EEC_WTRBDYFLRMRPH_WATT	Watt.	NR

EDCS Group Labels: HYDROLOGY, WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_FLOOR_OBJECT_TYPE

EDCS Attribute Code: 1342

Definition:
The type of an <OBJECT> that is located on a <WATER_BODY_FLOOR>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	FISH_HAVEN	EEC_WTRBDYFLROBJTY_FISH_HAVEN	A haven for fish.	NR
2	PINNACLE	EEC_WTRBDYFLROBJTY_PINNACLE	Pinnacle.	NR
3	REDUCED_DEPTH	EEC_WTRBDYFLROBJTY_REDUCED_DEPTH	Reduced depth reported, indicating presence of an unknown <WATER_BODY_FLOOR> object. received.	NR
4	SHOALING	EEC_WTRBDYFLROBJTY_SHOALING	<WATER_BODY_FLOOR> is shoaling, indicating possible presence of a <WATER_BODY_FLOOR> object.	NR
5	SUBMERGED_PRODUCTION_PLATFORM	EEC_WTRBDYFLROBJTY_SUBMERGED_PRODUCTION_PLATFORM	Submerged production platform.	NR
6	UNEXPLODED_ORDNANCE	EEC_WTRBDYFLROBJTY_UNEXPLODED_ORDNANCE	Unexploded ordnance.	NR
7	UNKNOWN_OBSTRUCTION	EEC_WTRBDYFLROBJTY_UNKNOWN_OBSTRUCTION	Unknown obstruction.	NR
8	UNSPECIFIED_NON_SUB_CONTACT	EEC_WTRBDYFLROBJTY_UNSPECIFIED_NON_SUB_CONTACT	Unspecified non-submarine contact.	NR
9	WELL	EEC_WTRBDYFLROBJTY_WELL	Remains of a well located on the <WATER_BODY_FLOOR>.	NR
10	WRECKAGE	EEC_WTRBDYFLROBJTY_WRECKAGE	Wreckage.	NR

EDCS Group Labels: WATER_BODY_FLOOR

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_LUMINESCENCE

EDCS Attribute Code: 1343

Definition:
The rate of photon emittance of visible light from living organisms in a <WATER_BODY>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: VOLUMETRIC_ENTITY_EMIT_RATE

EDCS Group Labels: WATER_BODY_CONDITION, LIGHTING_AND_VISIBILITY, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_PROPERTY_SET_ACOUSTIC_TYPE

EDCS Attribute Code: 1344

Definition:
The type of the acoustic properties of a <WATER_BODY_ACOUSTIC_PROPERTY_SET>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ACTIVE_HIGHLIGHT	EEC_WTRBDPRPSTACTY_ACTIVE_HIGHLIGHT	Properties describing the discrete reflection of acoustic energy off of an <OBJECT> in a <WATER_BODY>; active highlights.	NR
2	AMBIENT_NOISE	EEC_WTRBDPRPSTACTY_AMBIENT_NOISE	Acoustic properties of ambient noise in a <WATER_BODY>.	NR
3	BIOLOGIC_NOISE	EEC_WTRBDPRPSTACTY_BIOLOGIC_NOISE	Acoustic properties of biological noise sources in a <WATER_BODY>.	NR
4	LOSS	EEC_WTRBDPRPSTACTY_LOSS	Properties describing the attenuation of sound traveling through a <WATER_BODY> and interacting with the <WATER_BODY_FLOOR>; loss.	NR
5	MARGINAL_ICE_ZONE_NOISE	EEC_WTRBDPRPSTACTY_MARGINAL_ICE_ZONE_NOISE	Acoustic properties of marginal ice zone noise in a <WATER_BODY>.	NR
6	NOISE	EEC_WTRBDPRPSTACTY_NOISE	Acoustic properties of noise in a <WATER_BODY>.	NR
7	RAIN_NOISE	EEC_WTRBDPRPSTACTY_RAIN_NOISE	Acoustic properties of distant rain activity noise in a <WATER_BODY>.	NR
8	RESIDUAL_NOISE	EEC_WTRBDPRPSTACTY_RESIDUAL_NOISE	Acoustic properties of residual noise in a <WATER_BODY>.	NR
9	REVERBERATION	EEC_WTRBDPRPSTACTY_REVERBERATION	Properties describing the re-radiation of acoustic energy by acoustic scattering in a <WATER_BODY>; reverberation.	NR
10	SCATTERING_STRENGTH	EEC_WTRBDPRPSTACTY_SCATTERING_STRENGTH	Properties describing the strength of scattering of acoustic energy from <OBJECT>s in a <WATER_BODY>.	NR
11	SEA_STATE_NOISE	EEC_WTRBDPRPSTACTY_SEA_STATE_NOISE	Acoustic properties of sea state <SURFACE> noise in a <WATER_BODY>.	NR
12	SHIPPING_NOISE	EEC_WTRBDPRPSTACTY_SHIPPING_NOISE	Acoustic properties of distant shipping noise in a <WATER_BODY>.	NR
13	SOUND_SPEED	EEC_WTRBDPRPSTACTY_SOUND_SPEED	Properties describing the speed of sound in a <WATER_BODY>, e.g., temperature, salinity, or pressure.	NR
14	TEMPERATURE	EEC_WTRBDPRPSTACTY_TEMPERATURE	Properties describing the temperature in a <WATER_BODY>.	NR

EDCS Group Labels: ABSTRACT_CONCEPT, WATER_BODY_CONDITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SOUND_SPEED

EDCS Attribute Code: 1345

Definition:
The speed of sound in a <WATER_BODY>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ACOUSTIC_PHENOMENON, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SPECIFIC_GRAVITY

EDCS Attribute Code: 1346

Definition:
The ratio of the mass of a volume of a <WATER_BODY> to the mass of an equal volume of distilled <WATER> at 4 degrees Celsius.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: MASS_FRACTION

EDCS Group Labels: WATER_BODY_CONDITION, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_GRAZING_ANGLE

EDCS Attribute Code: 1347

Definition:
The mean angle between the horizontal plane at the <WATER_BODY_SURFACE> and scattered acoustic rays.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ACOUSTIC_PHENOMENON, ANGULAR_MEASURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_INSTANTANEOUS_HEIGHT

EDCS Attribute Code: 1348

Definition:
The instantaneous height of a <WATER_BODY_SURFACE> above the local mean level, where the local mean level is defined as MSL corrected for the <TIDE>, rapidly varying over time as a result of local <SWELL_WAVE>s and <WATER_WAVE>s.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_OBSERVATION_POINT

EDCS Attribute Code: 1349

Definition:
The point relative to a <WATER_BODY_SURFACE> at which <WATER> characteristics are observed, measured or collected.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AT_SURFACE	EEC_WTRBDYSRFOBVPT_AT_SURFACE	At the <WATER_BODY_SURFACE> (e.g., at the crest, midpoint, or trough of any <WATER_WAVE> present).	NR
2	BELOW_SURFACE	EEC_WTRBDYSRFOBVPT_BELOW_SURFACE	At a point within ten metres below the <WATER_BODY_SURFACE>.	IR	[NAM1]
3	NOT_SPECIFIED	EEC_WTRBDYSRFOBVPT_NOT_SPECIFIED	The exact sampling point is unspecified.	NR
4	VESSEL_INJECTION	EEC_WTRBDYSRFOBVPT_VESSEL_INJECTION	At the depth of a <VESSEL>'s water intake injection port.	IR	[NAM1]

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_TEMPERATURE

EDCS Attribute Code: 1350

Definition:
The temperature of the water measured, estimated, or predicted at or near a <WATER_BODY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: WATER_BODY_SURFACE, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_U_WIND_STRESS

EDCS Attribute Code: 1351

Definition:
The U component (geodetic west-east direction, where east is positive) of the <WIND> stress on a <WATER_BODY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: MOMENTUM

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_V_WIND_STRESS

EDCS Attribute Code: 1352

Definition:
The V component (geodetic south-north direction, where north is positive) of the <WIND> stress on a <WATER_BODY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: MOMENTUM

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_SURFACE_WIND_STRESS

EDCS Attribute Code: 1353

Definition:
The total <WIND> stress on a <WATER_BODY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: MOMENTUM

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_BODY_TEMPERATURE

EDCS Attribute Code: 1354

Definition:
The temperature of a <WATER_BODY>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: WATER_BODY_CONDITION, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CHANNEL_SAFE_HORIZONTAL_CLEARANCE

EDCS Attribute Code: 1355

Definition:
The minimum safe horizontal distance between adjacent <STRUCTURE>s on either side of a <WATER_CHANNEL>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, HYDROGRAPHIC_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CHANNEL_TYPE

EDCS Attribute Code: 1356

Definition:
Identifies the type of a <WATER_CHANNEL>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	LAGOONAL	EEC_WTRCHNLTY_LAGOONAL	Passing through a stretch of water separated from a larger water body by a low sandbank or coral reef.	PR	[FACC, Annex B, CHT:1]

EDCS Group Labels: HYDROGRAPHIC_TRNSP

Reference Type: IR

References: [FACC, Annex B: CHT]

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_APPEARANCE_MONTH

EDCS Attribute Code: 1357

Definition:
The month of appearance of a <WATER_CURRENT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	JANUARY	EEC_WTRCURAPMON_JANUARY	January.	DR	[NSOED, "january"]
2	FEBRUARY	EEC_WTRCURAPMON_FEBRUARY	February.	DR	[NSOED, "february"]
3	MARCH	EEC_WTRCURAPMON_MARCH	March.	DR	[NSOED, "march"]
4	APRIL	EEC_WTRCURAPMON_APRIL	April.	DR	[NSOED, "april"]
5	MAY	EEC_WTRCURAPMON_MAY	May.	DR	[NSOED, "may"]
6	JUNE	EEC_WTRCURAPMON_JUNE	June.	DR	[NSOED, "june"]
7	JULY	EEC_WTRCURAPMON_JULY	July.	DR	[NSOED, "july"]
8	AUGUST	EEC_WTRCURAPMON_AUGUST	August.	DR	[NSOED, "august"]
9	SEPTEMBER	EEC_WTRCURAPMON_SEPTEMBER	September.	DR	[NSOED, "september"]
10	OCTOBER	EEC_WTRCURAPMON_OCTOBER	October.	DR	[NSOED, "october"]
11	NOVEMBER	EEC_WTRCURAPMON_NOVEMBER	November.	DR	[NSOED, "november"]
12	DECEMBER	EEC_WTRCURAPMON_DECEMBER	December.	DR	[NSOED, "december"]

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_DIRECTION

EDCS Attribute Code: 1358

Definition:
The <<GEODETIC_AZIMUTH>> of the direction of a <WATER_CURRENT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE, WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_DISAPPEARANCE_MONTH

EDCS Attribute Code: 1359

Definition:
The month of disappearance of a <WATER_CURRENT>, if different from the month of appearance of the <WATER_CURRENT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	JANUARY	EEC_WTRCURDISAPMON_JANUARY	January.	DR	[NSOED, "january"]
2	FEBRUARY	EEC_WTRCURDISAPMON_FEBRUARY	February.	DR	[NSOED, "february"]
3	MARCH	EEC_WTRCURDISAPMON_MARCH	March.	DR	[NSOED, "march"]
4	APRIL	EEC_WTRCURDISAPMON_APRIL	April.	DR	[NSOED, "april"]
5	MAY	EEC_WTRCURDISAPMON_MAY	May.	DR	[NSOED, "may"]
6	JUNE	EEC_WTRCURDISAPMON_JUNE	June.	DR	[NSOED, "june"]
7	JULY	EEC_WTRCURDISAPMON_JULY	July.	DR	[NSOED, "july"]
8	AUGUST	EEC_WTRCURDISAPMON_AUGUST	August.	DR	[NSOED, "august"]
9	SEPTEMBER	EEC_WTRCURDISAPMON_SEPTEMBER	September.	DR	[NSOED, "september"]
10	OCTOBER	EEC_WTRCURDISAPMON_OCTOBER	October.	DR	[NSOED, "october"]
11	NOVEMBER	EEC_WTRCURDISAPMON_NOVEMBER	November.	DR	[NSOED, "november"]
12	DECEMBER	EEC_WTRCURDISAPMON_DECEMBER	December.	DR	[NSOED, "december"]

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_REFERENCE

EDCS Attribute Code: 1360

Definition:
The reference time of a <WATER_CURRENT> measurement.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AT_HIGH_WATER	EEC_WTRCURREF_AT_HIGH_WATER	At high water.	NR
2	ONE_HOUR_AFTER_HIGH_WATER	EEC_WTRCURREF_ONE_HOUR_AFTER_HIGH_WATER	1 hour after high water.	NR
3	TWO_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_TWO_HRS_AFTER_HIGH_WATER	2 hours after high water.	NR
4	THREE_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_THREE_HRS_AFTER_HIGH_WATER	3 hours after high water.	NR
5	FOUR_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_FOUR_HRS_AFTER_HIGH_WATER	4 hours after high water.	NR
6	FIVE_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_FIVE_HRS_AFTER_HIGH_WATER	5 hours after high water.	NR
7	SIX_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_SIX_HRS_AFTER_HIGH_WATER	6 hours after high water.	NR
8	SEVEN_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_SEVEN_HRS_AFTER_HIGH_WATER	7 hours after high water.	NR
9	EIGHT_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_EIGHT_HRS_AFTER_HIGH_WATER	8 hours after high water.	NR
10	NINE_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_NINE_HRS_AFTER_HIGH_WATER	9 hours after high water.	NR
11	TEN_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_TEN_HRS_AFTER_HIGH_WATER	10 hours after high water.	NR
12	ELEVEN_HRS_AFTER_HIGH_WATER	EEC_WTRCURREF_ELEVEN_HRS_AFTER_HIGH_WATER	11 hours after high water.	NR
13	AT_TIDE	EEC_WTRCURREF_AT_TIDE	At <TIDE> reference level.	NR
14	ONE_HOUR_AFTER_TIDE	EEC_WTRCURREF_ONE_HOUR_AFTER_TIDE	1 hour after <TIDE> reference level.	NR
15	TWO_HRS_AFTER_TIDE	EEC_WTRCURREF_TWO_HRS_AFTER_TIDE	2 hours after <TIDE> reference level.	NR
16	THREE_HRS_AFTER_TIDE	EEC_WTRCURREF_THREE_HRS_AFTER_TIDE	3 hours after <TIDE> reference level.	NR
17	FOUR_HRS_AFTER_TIDE	EEC_WTRCURREF_FOUR_HRS_AFTER_TIDE	4 hours after <TIDE> reference level.	NR
18	FIVE_HRS_AFTER_TIDE	EEC_WTRCURREF_FIVE_HRS_AFTER_TIDE	5 hours after <TIDE> reference level.	NR
19	SIX_HRS_AFTER_TIDE	EEC_WTRCURREF_SIX_HRS_AFTER_TIDE	6 hours after <TIDE> reference level.	NR
20	FIVE_HRS_BEFORE_TIDE	EEC_WTRCURREF_FIVE_HRS_BEFORE_TIDE	5 hours before <TIDE> reference level.	NR
21	FOUR_HRS_BEFORE_TIDE	EEC_WTRCURREF_FOUR_HRS_BEFORE_TIDE	4 hours before <TIDE> reference level.	NR
22	THREE_HRS_BEFORE_TIDE	EEC_WTRCURREF_THREE_HRS_BEFORE_TIDE	3 hours before <TIDE> reference level.	NR
23	TWO_HRS_BEFORE_TIDE	EEC_WTRCURREF_TWO_HRS_BEFORE_TIDE	2 hours before <TIDE> reference level.	NR
24	ONE_HOUR_BEFORE_TIDE	EEC_WTRCURREF_ONE_HOUR_BEFORE_TIDE	1 hour before <TIDE> reference level.	NR

EDCS Group Labels: WATER_BODY_SURFACE, TIME

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_SPEED

EDCS Attribute Code: 1361

Definition:
The speed of a <WATER_CURRENT>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: WATER_BODY_SURFACE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_CURRENT_TYPE

EDCS Attribute Code: 1362

Definition:
The type of a <WATER_CURRENT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	EBB_TIDE	EEC_WTRCURTY_EBB_TIDE	The horizontal movement of water associated with a falling <TIDE>. Ebb streams generally set seaward, or in the opposite direction to the <TIDE> progression; ebb, ebb current or outgoing stream.	PR	[S57A, Attribute, CAT_TS:2]
2	FLOOD_TIDE	EEC_WTRCURTY_FLOOD_TIDE	The horizontal movement of water associated with a rising <TIDE>. Flood streams generally set towards the shore, or in the direction of the <TIDE> progression; flood, flood current or ingoing stream.	PR	[S57A, Attribute, CAT_TS:1]
3	GENERAL_FLOW	EEC_WTRCURTY_GENERAL_FLOW	Water in essentially horizontal motion; a general flow or current.	PR	[S32, 1140]
4	LONGSHORE	EEC_WTRCURTY_LONGSHORE	A current paralleling the <SHORE> largely within the <SURF_ZONE>, caused by the excess water brought to the zone by the small net mass transport of <WIND_WAVE>s; littoral or longshore current.	PR	[S32, 2916]
5	NON_FLOOD_EBB_TIDAL_FLOW	EEC_WTRCURTY_NON_FLOOD_EBB_TIDAL_FLOW	A horizontal movement of water associated with <TIDE>s other than flood or ebb, e.g., rotary flow.	PR	[S57A, Attribute, CAT_TS:3]
6	OCEAN_FLOW	EEC_WTRCURTY_OCEAN_FLOW	Water in essentially horizontal motion in the <OCEAN>.	NR
7	RIVER_FLOW	EEC_WTRCURTY_RIVER_FLOW	Water in essentially horizontal motion in <RIVER>s and other <INLAND_WATER>s.	NR
8	RIP	EEC_WTRCURTY_RIP	The return flow of water piled up on a shore by incoming <WATER_WAVE>s and <WIND>.	PR	[S32, 1160]
9	TIDAL	EEC_WTRCURTY_TIDAL	The alternating horizontal movement of water associated with the rise and fall of the <TIDE> caused by the attraction of the <MOON> and, to a lesser degree, of the <SUN>.	PR	[S32, 1169]
10	WIND_DRIVEN	EEC_WTRCURTY_WIND_DRIVEN	Current generated by the drag of a semi-permanent <WIND> on a <WATER_BODY_SURFACE>.	PR	[S32, 1171]

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_DEPTH

EDCS Attribute Code: 1363

Definition:
The depth of the <WATER> from a specified <SURFACE_DATUM> to a <WATER_BODY_FLOOR>, as a positive number.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: BATHYMETRY, DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_LEVEL_EFFECT

EDCS Attribute Code: 1364

Definition:
The effect of surrounding <WATER> on the <OBJECT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ALWAYS_DRY	EEC_WTRLEVEFF_ALWAYS_DRY	Not covered at high water under average meteorological conditions.	PR	[S57A, Attribute, WATLEV:2]
2	ALWAYS_UNDER_WATER	EEC_WTRLEVEFF_ALWAYS_UNDER_WATER	Remains covered by water at all times under average meteorological conditions.	PR	[S57A, Attribute, WATLEV:3]
3	AWASH	EEC_WTRLEVEFF_AWASH	Flush with, or washed by, the <WATER_WAVE>s at low water under average meteorological conditions.	PR	[S57A, Attribute, WATLEV:5]
4	COVERS_AND_UNCOVERS	EEC_WTRLEVEFF_COVERS_AND_UNCOVERS	Indicates a reef or other projection from the <WATER_BODY_FLOOR>, which periodically extends above and is submerged below the <WATER_BODY_SURFACE>; dries or uncovers.	IR	[S57A, Attribute, WATLEV:4]
5	DRYING	EEC_WTRLEVEFF_DRYING	Drying.	NR
6	FLOATING	EEC_WTRLEVEFF_FLOATING	Resting or moving on the <WATER_BODY_SURFACE> without sinking; floating.	PR	[S57A, Attribute, WATLEV:7]
7	PARTLY_SUBMERGED	EEC_WTRLEVEFF_PARTLY_SUBMERGED	Partially covered and partially dry at high water.	IR	[S57A, Attribute, WATLEV:1]
8	SUBJECT_TO_INUNDATION	EEC_WTRLEVEFF_SUBJECT_TO_INUNDATION	Periodically inundated or covered by floodwater, excluding tidal waters.	PR	[S57A, Attribute, WATLEV:6]

EDCS Group Labels: HYDROLOGY, WATER_BODY_CONDITION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_QUALITY

EDCS Attribute Code: 1365

Definition:
The type of <WATER> drinking quality.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CONTAMINATED	EEC_WTRQUAL_CONTAMINATED	Contaminated.	NR
2	NON_POTABLE	EEC_WTRQUAL_NON_POTABLE	Not suitable for human consumption; non-potable.	NR
3	POTABLE	EEC_WTRQUAL_POTABLE	Potable water suitable for human consumption.	NR
4	TREATABLE	EEC_WTRQUAL_TREATABLE	Capable of being treated to become suitable for human consumption.	NR

EDCS Group Labels: HYDROLOGY, INFRASTRUCTURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_TABLE_DEPTH

EDCS Attribute Code: 1366

Definition:
The mean depth of a zone of saturation in the subsurface <TERRAIN> except where bounded by an impermeable body in which no <WATER> table exists, within the area of an <OBJECT>; the water table depth.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, HYDROLOGY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_TYPE

EDCS Attribute Code: 1367

Definition:
The type of available <WATER>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ALKALINE	EEC_WTRTY_ALKALINE	Alkaline water, where alkalinity is a measure of the ability of water to neutralize acids, and is measured by determining the amount of acid required to lower the pH of water to 4.5. In natural waters, the alkalinity is effectively the bicarbonate ion concentration plus twice the carbonate ion concentration, expressed in milligrams per liter calcium carbonate.	IR	[DES]
2	BRACKISH	EEC_WTRTY_BRACKISH	Brackish water with a salt content between 1 000 and 4 000 parts per million.	IR	[DES]
3	FRESH	EEC_WTRTY_FRESH	Fresh water without significant amounts of dissolved sodium chloride (salt). The opposite of seawater. Water characteristic of rain, rivers, ponds, and most lakes.	IR	[DES]
4	MINERAL	EEC_WTRTY_MINERAL	Mineral water containing at least 250 parts per million total dissolved solids (consisting primarily of dissolved inorganic salts). The dissolved inorganic salts are present in the water when drawn from the aquifer and carried to the <SURFACE>.	IR	[DES]
5	POTABLE	EEC_WTRTY_POTABLE	Potable water suitable for human consumption.	IR	[DES]
6	SALT	EEC_WTRTY_SALT	Water with a salt content more than 4 000 parts per million.	NR

EDCS Group Labels: HYDROLOGY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATER_VAPOR_PRESSURE

EDCS Attribute Code: 1368

Definition:
The partial pressure of <WATER> vapour in an <ATMOSPHERE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE

EDCS Group Labels: AIRBORNE_PARTICLE, ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATERCOURSE_CHANNEL_TYPE

EDCS Attribute Code: 1369

Definition:
The type of trough-like depression that is normally occupied by a <WATERCOURSE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	BRAIDED	EEC_WTRCRSCHNLTY_BRAIDED	Shallow stream channel that is subdivided into a number of continually shifting smaller channels that are separated by bar deposits, e.g., a split stream.	IR	[FPG]
2	CHANNELIZED_STREAM	EEC_WTRCRSCHNLTY_CHANNELIZED_STREAM	A stream which is contained in a long trough-like depression.	IR	[FPG]
3	GORGE	EEC_WTRCRSCHNLTY_GORGE	A narrow opening between hills or mountains, esp. one with rocky walls and a stream.	IR	[NSOED]
4	MEANDERING	EEC_WTRCRSCHNLTY_MEANDERING	The ratio of actual channel length to the straight line distance between two points on the stream channel is greater than 1,5.	IR	[FPG]
5	NON_MEANDERING	EEC_WTRCRSCHNLTY_NON_MEANDERING	The ratio of actual channel length to the straight line distance between two points on the stream channel is 1,5 or less, e.g., a normal channel.	IR	[FPG]
6	OXBOW	EEC_WTRCRSCHNLTY_OXBOW	A pronounced meander or horseshoe-shaped loop in a river.	IR	[NSOED]
7	WASH	EEC_WTRCRSCHNLTY_WASH	A shallow intermittent stream channel found in arid and semi-arid regions, e.g., a wadi or wash.	IR	[FPG]

EDCS Group Labels: HYDROLOGY

Reference Type: IR

References: [FPG]

EDCS Attribute Symbolic Constant: EAC_WATERCOURSE_GAP_WIDTH

EDCS Attribute Code: 1370

Definition:
The predominant horizontal gap width, measured between the top of the first accessible break in slope above mean water level on each bank of a <WATERCOURSE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, HYDROLOGY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WATERCOURSE_SINK_TYPE

EDCS Attribute Code: 1371

Definition:
The disposition of the source/sink of a <WATERCOURSE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	DISAPPEARING	EEC_WTRCRSSINKTY_DISAPPEARING	Disappearing.	NR
2	DISSIPATING	EEC_WTRCRSSINKTY_DISSIPATING	Dissipating.	NR
3	OTHER	EEC_WTRCRSSINKTY_OTHER	Other.	NR
4	OTHER_DISAPPEARING	EEC_WTRCRSSINKTY_OTHER_DISAPPEARING	Disappearing in other than sinkhole.	NR
5	SINKHOLE_DISAPPEARING	EEC_WTRCRSSINKTY_SINKHOLE_DISAPPEARING	Disappearing in a sinkhole.	NR

EDCS Group Labels: HYDROLOGY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WAVE_SPECTRAL_DENSITY

EDCS Attribute Code: 1372

Definition:
The power represented by a spectrum of <WATER_WAVE>s at a particular centre frequency and centre direction; the wave spectral density.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: POWER

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WAVE_WHITECAP_RATE

EDCS Attribute Code: 1373

Definition:
The rate of occurrence of <WATER_WAVE>s bearing whitecaps on their crests due to <WIND>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: WATER_BODY_SURFACE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WAVELENGTH

EDCS Attribute Code: 1374

Definition:
The distance in a periodic wave between two points of corresponding phase in consecutive cycles.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WAYPOINT_TYPE

EDCS Attribute Code: 1375

Definition:
The type of a <WAYPOINT>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AIRPORT	EEC_WAYPTTY_AIRPORT	Airport waypoint.	NR
2	ATC_COMPULSORY	EEC_WAYPTTY_ATC_COMPULSORY	ATC compulsory waypoint.	NR
3	BACK_COURSE_MARKER	EEC_WAYPTTY_BACK_COURSE_MARKER	Back course marker.	NR
4	DISTANCE_MEASURING_EQUIPMENT_FIX	EEC_WAYPTTY_DISTANCE_MEASURING_EQUIPMENT_FIX	Distance measuring equipment fix.	NR
5	END_CONTINUOUS_AIRWAY	EEC_WAYPTTY_END_CONTINUOUS_AIRWAY	End of continuous airway procedure.	NR
6	ESSENTIAL	EEC_WAYPTTY_ESSENTIAL	Essential waypoint.	NR
7	FAN_MARKER	EEC_WAYPTTY_FAN_MARKER	Fan marker.	NR
8	FINAL_APPROACH_COURSE_FIX	EEC_WAYPTTY_FINAL_APPROACH_COURSE_FIX	A bearing, radial, or track of an instrument approach leading to a runway or an extended runway centreline all without regard to distance.	IR	[F7110.65]
9	FINAL_APPROACH_FIX	EEC_WAYPTTY_FINAL_APPROACH_FIX	The fix from which the final approach (instrument flight rules) to an airport is executed and which identifies the beginning of the final approach segment.	IR	[F7110.65]
10	FIRST_LEG_MISSED_APPROACH	EEC_WAYPTTY_FIRST_LEG_MISSED_APPROACH	First leg of missed approach.	NR
11	GATEWAY_FIX	EEC_WAYPTTY_GATEWAY_FIX	The fix at which an aircraft enters a special-use airspace.	NR
12	HOLDING_FIX	EEC_WAYPTTY_HOLDING_FIX	A specified fix identifiable to a pilot by <AID_TO_NAVIGATION>s or visual reference to the ground used as a reference point in establishing and maintaining the position of an aircraft while holding.	IR	[F7110.65]
13	INITIAL_APPROACH_FIX	EEC_WAYPTTY_INITIAL_APPROACH_FIX	Initial approach fix.	NR
14	INNER_MARKER	EEC_WAYPTTY_INNER_MARKER	Inner marker.	NR
15	MIDDLE_MARKER	EEC_WAYPTTY_MIDDLE_MARKER	Middle marker.	NR
16	MISSED_APPROACH_POINT	EEC_WAYPTTY_MISSED_APPROACH_POINT	A point prescribed in each instrument flight rules approach procedure at which a missed approach procedure shall be executed if the required visual reference does not exist.	IR	[F7110.65]
17	NON_ESSENTIAL	EEC_WAYPTTY_NON_ESSENTIAL	Non-essential waypoint.	NR
18	OFF_AIRWAY	EEC_WAYPTTY_OFF_AIRWAY	Off-runway waypoint.	NR
19	OUTER_MARKER	EEC_WAYPTTY_OUTER_MARKER	Outer marker.	NR
20	RUNWAY	EEC_WAYPTTY_RUNWAY	Runway waypoint.	NR
21	RUNWAY_END_COORDINATE	EEC_WAYPTTY_RUNWAY_END_COORDINATE	Runway end coordinate.	NR
22	TRANSITION_ESSENTIAL	EEC_WAYPTTY_TRANSITION_ESSENTIAL	Transition-essential waypoint.	NR
23	UNCHARTED_AIRWAY_INTERSECT	EEC_WAYPTTY_UNCHARTED_AIRWAY_INTERSECT	Uncharted airway intersection.	NR
24	VOR_VORDME_VORTAC	EEC_WAYPTTY_VOR_VORDME_VORTAC	A point along a route where services from an <AID_TO_NAVIGATION> providing VOR azimuth, TACAN azimuth, and TACAN distance measuring <EQUIPMENT> from one site become available.	IR	[F7110.65]

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WEAPONS_RANGE_TYPE

EDCS Attribute Code: 1376

Definition:
The type of a <WEAPONS_RANGE>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ARTILLERY	EEC_WEAPRNGTY_ARTILLERY	A large firing range for practice or test use of a gun, rocket launcher, or other such weapon that is too large to be classified as a small arm, generally because it fires ammunition above a certain size and is not held in the hand or hands for firing.	NR
2	DEMOLITION_AREA	EEC_WEAPRNGTY_DEMOLITION_AREA	A small firing range suitable for breaking up of artificial (man-made) <STRUCTURE>s by explosive blasting.	NR
3	GRENADE	EEC_WEAPRNGTY_GRENADE	A small firing range suitable for use of small explosive or chemical bombs detonated by a fuse and which may be thrown by hand or launched from a special device attached to a rifle or carbine.	NR
4	IMPACT_AREA	EEC_WEAPRNGTY_IMPACT_AREA	A firing range having designated boundaries within the limits of which all ordnance will detonate or impact.	NR
5	SMALL_ARMS	EEC_WEAPRNGTY_SMALL_ARMS	A medium-sized firing range suitable for training with and testing pistols, rifles, machine guns, and other small calibre weapons.	NR
6	TANK	EEC_WEAPRNGTY_TANK	A large firing range for practice or test use of the main gun and other weapons found on armoured <VEHICLE>s, including tanks; such practice may include maneuver as well as discharge of weapons.	NR

EDCS Group Labels: MILITARY_SCIENCE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WEATHER_MEASUREMENT_TECHNIQUE

EDCS Attribute Code: 1377

Definition:
The technique or method of weather measurement.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	AUTOMATED	EEC_WEATHMEASTECH_AUTOMATED	Measured using automated methods, e.g., processed from a sensor array.	NR
2	MANUAL	EEC_WEATHMEASTECH_MANUAL	Measured using manual methods, e.g., visual observation.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WELL_TYPE

EDCS Attribute Code: 1378

Definition:
The type of a <WELL>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ARTESIAN	EEC_WELLTY_ARTESIAN	A well drilled into a confined geological stratum holding water that is draining from an area higher than the wellhead; the resulting pressure forces the water to the <SURFACE>, eliminating the need for a pump; free-flowing or artesian.	IR	[DES]
2	DRILLED	EEC_WELLTY_DRILLED	A well created by a specialized power-drilling apparatus used to tap very deep groundwater reservoirs.	IR	[APDS]
3	DUG	EEC_WELLTY_DUG	A shallow well created through a (generally manual) process of digging.	NR
4	DUG_OR_DRILLED	EEC_WELLTY_DUG_OR_DRILLED	A well that is created by either digging or drilling. May be further delineated specifically as EE DUG and EE DRILLED.	IR	[APDS]
5	FOUNTAIN	EEC_WELLTY_FOUNTAIN	An artificial spring with water.	NR
6	WALLED_IN	EEC_WELLTY_WALLED_IN	A well confined by walls.	NR
7	WATER_HOLE	EEC_WELLTY_WATER_HOLE	A small natural depression into which water collects, especially a small pool used by animals as a watering place.	IR	[WUD]

EDCS Group Labels: ANCILLARY_ARTEFACT

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WET_BULB_AIR_TEMPERATURE

EDCS Attribute Code: 1379

Definition:
The <<AIR_TEMPERATURE>> sensed by a thermometer fixed in the centre of a globe; the wet-bulb air temperature.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: ATMOSPHERE, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WET_GAP_WIDTH

EDCS Attribute Code: 1380

Definition:
The wet gap width at low <TIDE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, WATER_BODY_SURFACE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WET_SOIL_TRAFFICABILITY

EDCS Attribute Code: 1381

Definition:
The <<SOIL_TYPE>> further categorized by its wet weather trafficability characteristics.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	A	EEC_WETSOILTRAF_A	A : Any of GW, GP, SW, and SP.	NR
2	B	EEC_WETSOILTRAF_B	B: CH.	NR
3	C	EEC_WETSOILTRAF_C	C: Any of GC, SC, and CL.	NR
4	D	EEC_WETSOILTRAF_D	D: Any of GM, SM, ML, ML-CL, MH, OL, and OH.	NR
5	E	EEC_WETSOILTRAF_E	E: PT.	NR
6	X	EEC_WETSOILTRAF_X	X: Not evaluated.	NR

EDCS Group Labels: SURFACE_MATERIAL

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WETLAND_SURFACE_FORM

EDCS Attribute Code: 1382

Definition:
The <SURFACE> landform of a wetland.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ATLANTIC_PLATEAU_BOG	EEC_WETLSRFTY_ATLANTIC_PLATEAU_BOG	A bog with a flat to undulating <SURFACE> raised above the surrounding terrain. The bog edges commonly slope steeply downwards to the mineral <SOIL> terrain. Large pools scattered on the bog reach depths of 2 to 4 metres.	IR	[ECORC]
2	BASIN_BOG	EEC_WETLSRFTY_BASIN_BOG	A bog situated in a basin with essentially closed drainage which receives water from precipitation and runoff from the immediate surroundings. The <SURFACE> of the bog is flat with peat generally deepest at the centre.	IR	[ECORC]
3	BASIN_SWAMP	EEC_WETLSRFTY_BASIN_SWAMP	A swamp developed in a topographically defined basin where water derived locally may be augmented by drainage from other parts of the watershed. Accumulation of well-decomposed peat is shallow (< 0,5 metre ) at the edge but may reach 2 metres at the centre.	IR	[ECORC]
4	BLANKET_BOG	EEC_WETLSRFTY_BLANKET_BOG	A bog consisting of extensive peat deposits that occur more or less uniformly over gently sloping hills and valleys.	IR	[ECORC]
5	DOMED_BOG	EEC_WETLSRFTY_DOMED_BOG	A large bog (diameter usually > 500 metres) with a convex <SURFACE> rising several metres above the surrounding terrain. The centre usually drains in all directions; small crescentic pools commonly form around the highest point; a concentric pattern is formed if the highest point is in the centre, while an eccentric pattern is formed if the highest point is off-centre. Peat development is usually > 3 metres.	IR	[ECORC]
6	FLAT_BOG	EEC_WETLSRFTY_FLAT_BOG	A bog having a flat, featureless <SURFACE> and occurring in broad, poorly defined depressions. The depth of peat is generally uniform.	IR	[ECORC]
7	HORIZONTAL_FEN	EEC_WETLSRFTY_HORIZONTAL_FEN	A fen with a gently sloping, featureless <SURFACE>. This fen occupies broad, often ill-defined depressions and may interconnect with other fens. Peat accumulation is generally uniform.	IR	[ECORC]
8	LOWLAND_POLYGON_BOG	EEC_WETLSRFTY_LOWLAND_POLYGON_BOG	A bog with flat-topped or convex peat <SURFACE>s (often referred to as "high-centre polygons") separated by trenches over ice wedges that form a polygonal pattern when viewed from above. The peat was deposited in a permafrost environment as shown by internal structures.	IR	[ECORC]
9	NORTHERN_RIBBED_FEN	EEC_WETLSRFTY_NORTHERN_RIBBED_FEN	A fen with parallel, low peat ridges ("strings") alternating with wet hollows or shallow pools, oriented across the major slope at right angles to water movement. The depth of peat is > 1 metre.	IR	[ECORC]
10	PALSA_BOG	EEC_WETLSRFTY_PALSA_BOG	Palsa bog is a type of peat bog with an ice core, formed adjacent to a mound of <SOIL> that was pushed up by or formed near the edge of a glacier; found in alpine and arctic regions.	IR	[APDS]
11	PEAT_PLATEAU_BOG	EEC_WETLSRFTY_PEAT_PLATEAU_BOG	A bog composed of perennially frozen peat rising abruptly about 1 metre from the surrounding unfrozen fen. The <SURFACE> is relatively flat and even, and commonly covers large areas. The peat was originally deposited in a non-permafrost environment and is associated in many places with collapse scar bogs or fens.	IR	[ECORC]
12	POLYGONAL_PEAT_PLATEAU_BOG	EEC_WETLSRFTY_POLYGONAL_PEAT_PLATEAU_BOG	A perennially frozen bog rising approximately 1 metre above the surrounding fen. The <SURFACE> is relatively flat, scored by a polygonal pattern of trenches that developed over ice wedges. The permafrost and ice wedges developed in peat originally deposited in a non-permafrost environment.	IR	[ECORC]
13	SHALLOW_BASIN	EEC_WETLSRFTY_SHALLOW_BASIN	A marsh occurring in a uniformly shallow marsh depression or swale, having a gradual gradient from the edge to the deepest portion; the marsh edge may be poorly defined. Water levels fluctuate rapidly.	IR	[ECORC]
14	SHORE_FEN	EEC_WETLSRFTY_SHORE_FEN	A fen with an anchored <SURFACE> mat that forms the shore of a pond or lake. The rooting zone is affected by the water of the lake at both normal and flood levels.	IR	[ECORC]
15	SHORE_MARSH	EEC_WETLSRFTY_SHORE_MARSH	A marsh occupying the contact zone between high and low water marks bordering semi-permanent or permanent lakes. The marsh, usually found along protected shorelines, behind barrier beaches in lagoons, on islands, or in embayments, is subject to flooding by a rise in lake levels, wind waves, or <SURFACE> runoff.	IR	[ECORC]
16	SLOPE_BOG	EEC_WETLSRFTY_SLOPE_BOG	A bog occurring in areas of high rainfall on appreciably sloping land <SURFACE>s. The bog is fed by rainwater and by water draining from other nutrient-poor peat lands. The peat may exceed 1 metre in thickness.	IR	[ECORC]
17	SLOPE_FEN	EEC_WETLSRFTY_SLOPE_FEN	A fen occurring mainly on slow-draining, nutrient-enriched seepage slopes. Pools are usually thickness is usually < 2 metres.	IR	[ECORC]
18	STREAM_MARSH	EEC_WETLSRFTY_STREAM_MARSH	A marsh occupying shorelines, bars, stream beds, or islands in continuously flowing marsh is subject to prolonged annual flooding and is commonly covered by thick layers of sediments.	IR	[ECORC]
19	STREAM_SWAMP	EEC_WETLSRFTY_STREAM_SWAMP	A swamp occurring along the banks of permanent or semi-permanent streams. The high water table is maintained by the level of water in the stream. The swamp is seasonally inundated with subsequent sediment deposition.	IR	[ECORC]
20	STRING_BOG	EEC_WETLSRFTY_STRING_BOG	A pattern of narrow (2 to 3 metres wide), low (< 1 metre high) ridges oriented at right angles to the direction of drainage; wet depressions or pools occur between the ridges. The water and peat are very low in nutrients because the water has been derived from other ombrotrophic wetlands. The peat thickness is > 1 metre.	IR	[ECORC]
21	VENEER_BOG	EEC_WETLSRFTY_VENEER_BOG	A bog occurring on gently sloping terrain underlain by generally discontinuous permafrost. Although drainage is predominantly below the <SURFACE>, overland flow occurs in poorly defined drain ways during peak runoff. Peat thickness is usually < 1,5 metres.	IR	[ECORC]

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIDTH

EDCS Attribute Code: 1383

Definition:
The length of the shorter of two linear axes; the width. For a square <OBJECT>, measure either axis. For a round <OBJECT>, width is equal to length. For a bridge, the width is the measurement perpendicular to the axis between the abutments.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_ABSOLUTE_VORTICITY

EDCS Attribute Code: 1384

Definition:
The vorticity of a <WIND> fluid <PARTICLE> determined with respect to an absolute coordinate system.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: ANGULAR_VELOCITY

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_WIND_CALM_RATE_CLIMATOLOGY

EDCS Attribute Code: 1385

Definition:
The historical (climatology) fraction of <WIND> speeds less than 2,575 metres per second (five knots), for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_WIND_CIRCULARITY_COEFFICIENT_CLIMATOLOGY

EDCS Attribute Code: 1386

Definition:
The historical (climatology) quantity of the ratio of the standard deviation of the <WIND> component along the U axis (planetary geodetic west-east direction, where east is positive) to the standard deviation of the <WIND> component along the V axis (planetary geodetic south-north direction, where north is positive), for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_WIND_CORRECTION_TECHNIQUE

EDCS Attribute Code: 1387

Definition:
The type of <WIND> correction technique that was applied to a rocket sounding.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	JAPAN	EEC_WNDCORRTECH_JAPAN	Japan standard technique.	NR
2	NONE_APPLIED	EEC_WNDCORRTECH_NONE_APPLIED	No corrections were applied to the observation.	NR
3	UK	EEC_WNDCORRTECH_UK	UK standard technique.	NR
4	US	EEC_WNDCORRTECH_US	US standard technique.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_DIRECTION

EDCS Attribute Code: 1388

Definition:
The <<GEODETIC_AZIMUTH>> of the direction from which the <WIND> is blowing.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE, ATMOSPHERE

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_DIRECTION_CLIMATOLOGY

EDCS Attribute Code: 1389

Definition:
The mean historical (climatology) <<WIND_DIRECTION>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE, ATMOSPHERE

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_DIRECTION_OCTANT_CLIMATOLOGY

EDCS Attribute Code: 1390

Definition:
The historical (climatology) cardinal <WIND> vector octant (a 45 arc degree sector centred on a cardinal direction), for a defined period of record.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	NORTH	EEC_WNDOCTDIRCLIM_NORTH	North.	NR
2	NORTHEAST	EEC_WNDOCTDIRCLIM_NORTHEAST	Northeast.	NR
3	EAST	EEC_WNDOCTDIRCLIM_EAST	East.	NR
4	SOUTHEAST	EEC_WNDOCTDIRCLIM_SOUTHEAST	Southeast.	NR
5	SOUTH	EEC_WNDOCTDIRCLIM_SOUTH	South.	NR
6	SOUTHWEST	EEC_WNDOCTDIRCLIM_SOUTHWEST	Southwest.	NR
7	WEST	EEC_WNDOCTDIRCLIM_WEST	West.	NR
8	NORTHWEST	EEC_WNDOCTDIRCLIM_NORTHWEST	Northwest.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_DIRECTION_OCTANT_FRACTION

EDCS Attribute Code: 1391

Definition:
The fraction of observations reporting <WIND> directions within a vector octant (a 45 arc degree sector centred on a cardinal direction).

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_DIRECTION_QUALITY

EDCS Attribute Code: 1392

Definition:
The quality of a <<WIND_DIRECTION>> measurement.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ERRONEOUS	EEC_WNDDIRQUAL_ERRONEOUS	The original observation was in error.	IR	[NCDCM]
2	GOOD	EEC_WNDDIRQUAL_GOOD	The quality of the observation was acceptable.	IR	[NCDCM]
3	NO_CHECK	EEC_WNDDIRQUAL_NO_CHECK	No check on the quality of the observation was performed.	IR	[NCDCM]
4	SUSPECT	EEC_WNDDIRQUAL_SUSPECT	The original observation may be in error.	IR	[NCDCM]

EDCS Group Labels: ATMOSPHERE

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_DIVERGENCE

EDCS Attribute Code: 1393

Definition:
The horizontal expansion or spreading out of the vector <WIND> field; the wind divergence.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: RATE

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_EQUIPMENT_TYPE

EDCS Attribute Code: 1394

Definition:
The type of measuring equipment used for a <WIND> observation.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	LORAN_C	EEC_WNDEQTY_LORAN_C	A Loran C device was used in measuring winds information. For example, some radiosondes use Loran C for positional information from which winds information is derived.	NR
2	OPTICAL_THEODOLITE	EEC_WNDEQTY_OPTICAL_THEODOLITE	An optical theodolite was used to track balloon positions from which winds information was derived.	NR
3	PRESSURE_WITH_WIND	EEC_WNDEQTY_PRESSURE_WITH_WIND	Pressure instrument associated with wind-measuring equipment.	NR
4	PRESSURE_WITH_WIND_FAILED	EEC_WNDEQTY_PRESSURE_WITH_WIND_FAILED	Pressure instrument associated with wind-measuring equipment, but pressure element failed during ascent.	NR
5	RADAR_EQUIPMENT	EEC_WNDEQTY_RADAR_EQUIPMENT	Radar equipment was used in measuring winds information.	NR
6	RADIO_THEODOLITE	EEC_WNDEQTY_RADIO_THEODOLITE	A radio theodolite was used to track balloon positions from which winds information was derived.	NR
7	SATELLITE_NAVIGATION	EEC_WNDEQTY_SATELLITE_NAVIGATION	Satellite navigation was used in deriving winds information.	NR
8	VLF_OMEGA	EEC_WNDEQTY_VLF_OMEGA	A VLF OMEGA device was used in measuring winds information. For example, some radiosondes use VLF OMEGA for positional information from which winds information is derived.	NR
9	WIND_PROFILER	EEC_WNDEQTY_WIND_PROFILER	A wind profiler was used to measure winds information.	NR

EDCS Group Labels: ANCILLARY_ARTEFACT, ATMOSPHERE

Reference Type: IR

References: [WMO306]

EDCS Attribute Symbolic Constant: EAC_WIND_GALE_FORCE_RATE_CLIMATOLOGY

EDCS Attribute Code: 1395

Definition:
The fraction of historical (climatology) gale force <WIND>s (greater than or equal to 17,49 metres per second (34 knots)), for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [GMET]

EDCS Attribute Symbolic Constant: EAC_WIND_GUST_SPEED

EDCS Attribute Code: 1396

Definition:
The speed of a sudden, brief increase in the speed of the <WIND> (a gust).

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: IR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_RELATIVE_VORTICITY

EDCS Attribute Code: 1397

Definition:
<WIND> vorticity measured in a system of coordinates fixed relative to a <PLANETARY_SURFACE>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: ANGULAR_VELOCITY

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_RESPONSE_FRACTION

EDCS Attribute Code: 1398

Definition:
The fraction of <OBJECT> maximum response to <WIND> speed/direction. The value may be interpreted as follows: 1/4: Small, 2/4: Medium, 3/4: Large, 4/4: Maximum.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPECTRAL_CLASS_IDENTIFIER

EDCS Attribute Code: 1399

Definition:
The numeric identifier of a spectral class for acoustic noise induced by <WIND>.

EDCS Attribute Value Data Type: INDEX

EDCS Group Labels: ACOUSTIC_PHENOMENON

Reference Type: IR

References: [OAML, Wind and Residual Noise Data Base]

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED

EDCS Attribute Code: 1400

Definition:
Ratio of the distance covered by <AIR> to the time taken to cover it; wind speed.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO182]

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_20_PERCENTILE_CLIMATOLOGY

EDCS Attribute Code: 1401

Definition:
The minimum <<WIND_SPEED>> that is greater than 20 percent of the historical (climatology) <<WIND_SPEED>> observations.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_50_PERCENTILE_CLIMATOLOGY

EDCS Attribute Code: 1402

Definition:
The minimum <<WIND_SPEED>> that is greater than 50 percent of the historical (climatology) <<WIND_SPEED>> observations, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_80_PERCENTILE_CLIMATOLOGY

EDCS Attribute Code: 1403

Definition:
The minimum <<WIND_SPEED>> that is greater than 80 percent of the historical (climatology) <<WIND_SPEED>> observations, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_CLIMATOLOGY

EDCS Attribute Code: 1404

Definition:
The mean historical (climatology) <<WIND_SPEED>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_CLIMATOLOGY_STD_DEV

EDCS Attribute Code: 1405

Definition:
The standard deviation of the <<WIND_SPEED_CLIMATOLOGY>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_DIRECTION_REPORT_COUNT

EDCS Attribute Code: 1406

Definition:
The number of reports with both <WIND> speed and direction values.

EDCS Attribute Value Data Type: COUNT

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_OCTANT_CLIMATOLOGY

EDCS Attribute Code: 1407

Definition:
The mean historical (climatology) <<WIND_SPEED>>s in an octant (a 45 arc degree sector centred on a cardinal direction), for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_OCTANT_OCCURANCE_CLIMATOLOGY

EDCS Attribute Code: 1408

Definition:
The fraction of occurrence of historical (climatology) <WIND>s in an octant (a 45 arc degree sector centred on a cardinal direction) to <WIND> occurrence in all sectors, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_ONLY_COUNT

EDCS Attribute Code: 1409

Definition:
The number of reports with <<WIND_SPEED>> value only.

EDCS Attribute Value Data Type: COUNT

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_QUALITY

EDCS Attribute Code: 1410

Definition:
The quality of a <<WIND_SPEED>> measurement.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	ERRONEOUS	EEC_WNDSPDQUAL_ERRONEOUS	The original observation was in error.	IR	[NCDCM]
2	GOOD	EEC_WNDSPDQUAL_GOOD	The quality of the observation was acceptable.	IR	[NCDCM]
3	NO_CHECK	EEC_WNDSPDQUAL_NO_CHECK	No check on the quality of the observation was performed.	IR	[NCDCM]
4	SUSPECT	EEC_WNDSPDQUAL_SUSPECT	The original observation may be in error.	IR	[NCDCM]

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO306]

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_U

EDCS Attribute Code: 1411

Definition:
The U component (planetary geodetic west-east direction, where east is positive) of a <<WIND_SPEED>>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_U_CLIMATOLOGY

EDCS Attribute Code: 1412

Definition:
The mean historical (climatology) <<WIND_SPEED_U>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_U_CLIMATOLOGY_STD_DEV

EDCS Attribute Code: 1413

Definition:
The standard deviation of <<WIND_SPEED_U_CLIMATOLOGY>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_U_ERROR

EDCS Attribute Code: 1414

Definition:
The error of a <<WIND_SPEED_U>> that is introduced by uncertainties.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO306]

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_V

EDCS Attribute Code: 1415

Definition:
The V component (planetary geodetic south-north direction, where north is positive) of a <<WIND_SPEED>>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_V_CLIMATOLOGY

EDCS Attribute Code: 1416

Definition:
The mean historical (climatology) <<WIND_SPEED_V>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_V_CLIMATOLOGY_STD_DEV

EDCS Attribute Code: 1417

Definition:
The standard deviation of <<WIND_SPEED_V_CLIMATOLOGY>>, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_V_ERROR

EDCS Attribute Code: 1418

Definition:
The error of a <<WIND_SPEED_V>> that is introduced by uncertainties.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: PR

References: [WMO306]

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_W

EDCS Attribute Code: 1419

Definition:
The W component (vertical direction, relative to pressure coordinates) of a <<WIND_SPEED>>.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PRESSURE_CHANGE_RATE

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_SPEED_W_SIGMA

EDCS Attribute Code: 1420

Definition:
The <<WIND_SPEED_W>> through a pressure <SURFACE> normalized by the pressure at that <SURFACE> (sigma).

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: RATE

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_TYPE

EDCS Attribute Code: 1421

Definition:
The type of a <WIND>.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CALM	EEC_WNDTY_CALM	Wind speeds are less than 9,260 kilometres (five nautical miles) per hour.	NR
2	NORMAL	EEC_WNDTY_NORMAL	Normal.	NR
3	SQUALL	EEC_WNDTY_SQUALL	A strong wind characterized by a sudden onset in which the wind speed increases at least 29,632 kilometres (16 nautical miles) per hour and is sustained at 40,744 kilometres (22 nautical miles) per hour or more for at least one minute.	NR
4	VARIABLE	EEC_WNDTY_VARIABLE	Variable.	NR

EDCS Group Labels: ATMOSPHERE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_VARIABLE_RATE_CLIMATOLOGY

EDCS Attribute Code: 1422

Definition:
The fraction of historical (climatology) <<WIND_SPEED>>s of 2,575 metres per second (five knots) or greater, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_VECTOR_SPEED_CLIMATOLOGY

EDCS Attribute Code: 1423

Definition:
The historical (climatology) magnitude of the mean resultant <WIND> vector, for a defined period of record.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: SPEED

EDCS Group Labels: ATMOSPHERE, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIND_WAVE_DIRECTION

EDCS Attribute Code: 1424

Definition:
The <<GEODETIC_AZIMUTH>> of the direction from which <WIND_WAVE>s are arriving.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PLANE_ANGLE

EDCS Group Labels: ANGULAR_MEASURE, WATER_BODY_SURFACE

Reference Type: IR

References: [NAM1]

EDCS Attribute Symbolic Constant: EAC_WIND_WAVE_HEIGHT

EDCS Attribute Code: 1425

Definition:
The height of <WIND_WAVE>s, measured from trough to crest.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: LENGTH

EDCS Group Labels: DIMENSION, WATER_BODY_SURFACE

Reference Type: IR

References: [NAM1]

EDCS Attribute Symbolic Constant: EAC_WIND_WAVE_PERIOD

EDCS Attribute Code: 1426

Definition:
The mean quantity of time (period) of a complete cycle (usually crest to crest or trough to trough) of a <WIND_WAVE> to pass a given fixed point.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: TIME

EDCS Group Labels: TIME, WATER_BODY_SURFACE

Reference Type: IR

References: [NAM1]

EDCS Attribute Symbolic Constant: EAC_WINDCHILL_INDEX

EDCS Attribute Code: 1427

Definition:
The temperature with nearly still <AIR> that (ideally) produces the same rate of heat loss from the <HUMAN> body as the given combination of temperature and <WIND> speed; the windchill index.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: THERMO_TEMPERATURE

EDCS Group Labels: ABSTRACT_CONCEPT, ATMOSPHERE, TEMPERATURE

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WINTER_CANOPY_COVER_FRACTION

EDCS Attribute Code: 1428

Definition:
The <TREE> canopy cover, during the winter, within the area of an <OBJECT>, expressed as a fraction.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: PLANT, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WIRE_COUNT

EDCS Attribute Code: 1429

Definition:
The number of <WIRE>s associated with a <STRUCTURE>, e.g., a <POWER_TRANSMISSION_LINE>, or supporting <PYLON>.

EDCS Attribute Value Data Type: COUNT

EDCS Group Labels: DIMENSION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WMO_STATION_IDENTIFIER

EDCS Attribute Code: 1430

Definition:
The WMO meteorological station identifier number; formatted in a Latin-1 string as specified by [WMO9A, "Record Layout of the Station Data File", field 5].

EDCS Attribute Value Data Type: CONSTRAINED_STRING

EDCS Group Labels: ANCILLARY_ARTEFACT, ATMOSPHERE

Reference Type: IR

References: [WMO9A]

EDCS Attribute Symbolic Constant: EAC_WOODY_VEGETATION_DENSITY

EDCS Attribute Code: 1431

Definition:
The fraction of <TERRAIN> covered by woody <VEGETATION> (e.g., trees, scrub, brush or bush) within the area of an <OBJECT>; the woody vegetation density.

EDCS Attribute Value Data Type: REAL

EDCS Unit Equivalence Class Label: PURE_NUMBER

EDCS Group Labels: PLANT, RATE_OR_RATIO

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WORK_IN_PROGRESS_TYPE

EDCS Attribute Code: 1432

Definition:
The type of work in progress.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	LAND_RECLAMATION	EEC_WRKINPROGTY_LAND_RECLAMATION	A region of the sea that is being reclaimed as land, usually by the dumping of earth and other material.	IR	[S57A, Attribute, CONDTN:3]
2	STRUCTURE_CONSTRUCTION	EEC_WRKINPROGTY_STRUCTURE_CONSTRUCTION	A <STRUCTURE> that is in the process of being built.	PR	[S57A, Attribute, CONDTN:1]

EDCS Group Labels: USAGE_REGION

Reference Type: NR

References: none

EDCS Attribute Symbolic Constant: EAC_WORSHIP_PLACE_TYPE

EDCS Attribute Code: 1433

Definition:
The type of a house of worship.

EDCS Attribute Value Data Type: ENUMERATION

Code	Label	Symbolic constant	Definition	Reference type	References
1	CATHEDRAL	EEC_WORSHIPHOUSTY_CATHEDRAL	A <CATHEDRAL>.	n/a
2	CATHOLIC_CATHEDRAL	EEC_WORSHIPHOUSTY_CATHOLIC_CATHEDRAL	A <CATHOLIC_CATHEDRAL>.	n/a
3	CHAPEL	EEC_WORSHIPHOUSTY_CHAPEL	A <CHAPEL>.	n/a
4	CHRISTIAN_TEMPLE	EEC_WORSHIPHOUSTY_CHRISTIAN_TEMPLE	A <CHRISTIAN_TEMPLE>.	n/a
5	CHURCH	EEC_WORSHIPHOUSTY_CHURCH	A <CHURCH>.	n/a
6	CONVENT	EEC_WORSHIPHOUSTY_CONVENT	A <CONVENT>.	n/a
7	JEWISH_TEMPLE	EEC_WORSHIPHOUSTY_JEWISH_TEMPLE	A <JEWISH_TEMPLE>.	n/a
8	MARABOUT	EEC_WORSHIPHOUSTY_MARABOUT	A <MARABOUT>.	n/a
9	MINARET	EEC_WORSHIPHOUSTY_MINARET	A <MINARET>.	n/a
10	MISSION	EEC_WORSHIPHOUSTY_MISSION	A <MISSION>.	n/a
11	MONASTERY	EEC_WORSHIPHOUSTY_MONASTERY	A <MONASTERY>.	n/a
12	MORMON_TEMPLE	EEC_WORSHIPHOUSTY_MORMON_TEMPLE	A <MORMON_TEMPLE>.	n/a
13	MOSQUE	EEC_WORSHIPHOUSTY_MOSQUE	A <MOSQUE>.	n/a
14	PAGODA	EEC_WORSHIPHOUSTY_PAGODA	A <PAGODA>.	n/a
15	RELIGIOUS_COMMUNITY	EEC_WORSHIPHOUSTY_RELIGIOUS_COMMUNITY	A <RELIGIOUS_COMMUNITY>.	n/a
16	SHRINE	EEC_WORSHIPHOUSTY_SHRINE	A <SHRINE>.	n/a
17	STUPA	EEC_WORSHIPHOUSTY_STUPA	A <STUPA>.	n/a
18	SYNAGOGUE	EEC_WORSHIPHOUSTY_SYNAGOGUE	A <SYNAGOGUE>.	n/a
19	TABERNACLE	EEC_WORSHIPHOUSTY_TABERNACLE	A <TABERNACLE>.	n/a
20	TEMPLE	EEC_WORSHIPHOUSTY_TEMPLE	A <TEMPLE>.	n/a
21	UNSPECIFIED	EEC_WORSHIPHOUSTY_UNSPECIFIED	A place of worship, where the specific religious denomination is unspecified.	NR

EDCS Group Labels: INFRASTRUCTURE

Reference Type: NR

References: none