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Status
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Attribute label |
Enumerant label ▾
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Concept definition
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Code
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Ref type
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Reference
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Supplemental references
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
ATLANTIC_PLATEAU_BOG |
A <BOG> with a flat to undulating <SURFACE> raised above the surrounding <LAND>; Atlantic plateau bog. The edges of the <BOG> commonly slope steeply downwards to the mineral soil <LAND>. Large pools scattered on the <BOG> reach depths of 2 to 4 metres. |
1 |
IR |
[ECORC, Wetland Surface Forms, B09] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
BASIN_BOG |
A <BOG> situated in a basin with essentially closed drainage that receives <WATER> from <PRECIPITATION> and <RUN_OFF> from the immediate surroundings; basin bog. The <SURFACE> of the <BOG> is flat with peat generally deepest at the centre. |
2 |
IR |
[ECORC, Wetland Surface Forms, B13] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
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; basin swamp. Accumulation of well-decomposed peat is shallow (less than 0,5 metre) at the edge but may reach 2 metres at the centre. |
3 |
IR |
[ECORC, Wetland Surface Forms, S04] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
BLANKET_BOG |
A <BOG> consisting of extensive peat deposits that occur more or less uniformly over gently sloping hills and valleys; blanket bog. |
4 |
IR |
[ECORC, Wetland Surface Forms, B16] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
DOMED_BOG |
A large <BOG> (<<OUTSIDE_DIAMETER>> usually greater than 500 metres) with a convex <SURFACE> rising several metres above the surrounding <LAND>; domed bog. The centre usually drains in all <DIRECTION>s, and 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 greater than 3 metres deep. |
5 |
IR |
[ECORC, Wetland Surface Forms, B04] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
FLAT_BOG |
A <BOG> having a flat, featureless <SURFACE> and occurring in broad, poorly defined <TERRAIN_DEPRESSION>s; flat bog. The depth of peat is generally uniform. |
6 |
IR |
[ECORC, Wetland Surface Forms, B14] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
HORIZONTAL_FEN |
A fen with a gently sloping, featureless <SURFACE>; horizontal fen. Occupies broad, often ill-defined <TERRAIN_DEPRESSION>s and may interconnect with other fens. Peat accumulation is generally uniform. |
7 |
IR |
[ECORC, Wetland Surface Forms, F13] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
LOWLAND_POLYGON_BOG |
A <BOG> with flat-topped or convex peat <SURFACE>s (often referred to as "high-centre polygons") separated by <TRENCH>s over wedges of <ICE> that form a polygonal pattern when viewed from above; lowland polygon bog. The peat was deposited in a permafrost environment as shown by internal structures. |
8 |
IR |
[ECORC, Wetland Surface Forms, B20] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
NORTHERN_RIBBED_FEN |
A fen with parallel, low peat <RIDGE>s ("strings") alternating with wet hollows or shallow pools, oriented across the major slope at right angles to water movement; northern ribbed fen. The depth of peat is greater than 1 metre. |
9 |
IR |
[ECORC, Wetland Surface Forms, F01] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
PALSA_BOG |
Boggy <TUNDRA> with a core of frozen peat, in which ground <ICE> is partly responsible for the formation of palsas; palsa bog [DECOL, "palsa bog" and "palsa"]. |
10 |
IR |
[FACC, Annex B, BOC:1] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
PEAT_PLATEAU_BOG |
A <BOG> composed of perennially frozen peat rising abruptly about 1 metre from the surrounding unfrozen fen; peat plateau bog. 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 <BOG>s or fens. |
11 |
IR |
[ECORC, Wetland Surface Forms, B07] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
POLYGONAL_PEAT_PLATEAU-
_BOG |
A perennially frozen <BOG> rising approximately 1 metre above the surrounding fen; polygonal peat plateau bog. The <SURFACE> is relatively flat, scored by a polygonal pattern of <TRENCH>s that developed over wedges of <ICE>. The permafrost and wedges of <ICE> developed in peat originally deposited in a non-permafrost environment. |
12 |
IR |
[ECORC, Wetland Surface Forms, B05] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
SHALLOW_BASIN_MARSH |
A <MARSH> occurring in a uniformly shallow marsh depression or swale, having a gradual gradient from an often poorly defined edge to the deepest portion, and whose water levels fluctuate rapidly; shallow basin marsh. |
13 |
IR |
[ECORC, Wetland Surface Forms, M11] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
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 <WATERBODY> at both normal and flood levels. |
14 |
IR |
[ECORC, Wetland Surface Forms, F07] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
SHORE_MARSH |
A <MARSH> occupying the <REGION> between high and low water marks bordering semi-permanent or permanent <LAKE>s; shore marsh. The <MARSH>, usually found along protected <SHORELINE>s, behind barrier <BEACH>s in <LAGOON>s, on <ISLAND>s, or in embayments, is subject to flooding by a rise in the level of the <LAKE>, <WIND_WAVE>s, or <RUN_OFF>. |
15 |
IR |
[ECORC, Wetland Surface Forms, M14] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
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>>. |
16 |
IR |
[ECORC, Wetland Surface Forms, B18] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
SLOPE_FEN |
A fen occurring mainly on slow-draining, nutrient-enriched seepage slopes; slope fen. Pools are usually absent, but wet seepage tracks may occur. Peat <<THICKNESS>> is usually less than 2 metres deep. |
17 |
IR |
[ECORC, Wetland Surface Forms, F11] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
STREAM_MARSH |
A <MARSH> occupying <SHORELINE>s, <SAND_BAR>s, stream beds, or <ISLAND>s in continuously flowing <WATERCOURSE>s, and which is subject to prolonged annual flooding; stream marsh. The <MARSH> is commonly covered by thick layers of <SEDIMENT>s. |
18 |
IR |
[ECORC, Wetland Surface Forms, M06] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
STREAM_SWAMP |
A <SWAMP> occurring along the <WATERBODY_BANK>s of permanent or semi-permanent streams; stream swamp. The high water table is maintained by the level of <WATER> in the stream. The <SWAMP> is seasonally inundated with subsequent sediment deposition. |
19 |
IR |
[ECORC, Wetland Surface Forms, S01] |
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STD
2005/06/07 |
WETLAND_SURFACE_FORM |
STRING_BOG |
A <BOG> characterized by a pattern of narrow (<<WIDTH>> 2 to 3 metres), low (<<HEIGHT>> less than 1 metre) <RIDGE>s oriented at right angles to the <DIRECTION> of drainage; string bog. Wet <TERRAIN_DEPRESSION>s or pools occur between the <RIDGE>s. The <WATER> and peat are very low in nutrients because the <WATER> has been derived from other ombrotrophic wetlands. The peat <<THICKNESS>> is greater than 1 metre. |
20 |
IR |
[FACC, Annex B, BOC:2] |
[ECORC, Wetland Surface Forms, B15] |
STD
2005/06/07 |
WETLAND_SURFACE_FORM |
VENEER_BOG |
A <BOG> occurring on gently sloping <LAND> underlain by generally discontinuous <PERMAFROST>; veneer bog. Although drainage is predominantly below the <SURFACE>, overland flow occurs in poorly defined drain ways during peak <RUN_OFF>. Peat <<THICKNESS>> is usually less than 1,5 metres. |
21 |
IR |
[ECORC, Wetland Surface Forms, B19] |
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