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EA:  TERRAIN_MORPHOLOGY_TYPE

Status: STD 2005/06/07
Code: 1418

Concept definition: The type of the morphology of the <TERRAIN> within a delineated <TERRAIN_SURFACE_REGION>.
 
Attribute value type: ENUMERATION
Reference type: IR
Reference: [FACC, Annex B: SRD]
Supplemental references:  

Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE ACTIVE_SAND_DUNES A <SAND_DUNE_REGION>, the <SURFACE> of which is covered by <SAND_DUNE>s that are increasing in <<HEIGHT>> or moving with the <WIND>; active sand dunes [DFDD, Feature Attribute Dictionary, SRD:41]. 1 IR [FACC, Annex B, SRD:41]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE ANGULAR A <TERRAIN_SURFACE_REGION> of sharp <ROCKY_OUTCROP>s; angular [DFDD, Feature Attribute Dictionary, SRD:5]. 2 IR [FACC, Annex B, SRD:5]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE BOULDER_FIELD <BOULDER_FIELD>. 3     [FACC, Annex B, SRD:20]
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE CONTAINING_SABKHAS A <TRACT> of <SABKHA>s; containing sabkhas [DFDD, Feature Attribute Dictionary, SRD:68]. 4 IR [FACC, Annex B, SRD:68]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE DEEP_EROSIONAL_GULLIES A <TRACT> with <GULLY>s greater than 3 metres in <<DEPTH>>; deep erosional gullies [DFDD, Feature Attribute Dictionary, SRD:56]. 5 IR [FACC, Annex B, SRD:56]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE DISSECTED_FLOODPLAIN A <TERRAIN_PLAIN> created by alluvial action that has <GULLY>s eroded into it; dissected floodplain [DFDD, Feature Attribute Dictionary, SRD:54]. 6 IR [FACC, Annex B, SRD:54]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE FROST_POLYGONS A <TRACT> of formed patterns of <ROCK>, <SOIL>, and/or <VEGETATION> caused by frost action; frost polygons [DFDD, Feature Attribute Dictionary, SRD:67]. 7 IR [FACC, Annex B, SRD:67]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE GRAVEL_PIT A <TRACT> of <TERRAIN_PIT>s created by the removal of gravel; gravel pit [DFDD, Feature Attribute Dictionary, SRD:84]. 8 IR [FACC, Annex B, SRD:84]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE HIGHLY_DISSECTED A relatively level <TRACT>, the <SURFACE> of which is covered mainly (greater than 50 percent) by <GULLY>s; highly dissected [DFDD, Feature Attribute Dictionary, SRD:55]. 10 IR [FACC, Annex B, SRD:55]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE HIGHLY_DISTORTED A <TERRAIN_SURFACE_REGION> that has been altered by mechanical means, resulting in steep-sided, narrow spines of <BEDROCK>; highly distorted [DFDD, Feature Attribute Dictionary, SRD:43]. 11 IR [FACC, Annex B, SRD:43]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE HIGHLY_FRACTURED_ROCK A <TERRAIN_SURFACE_REGION> of <EXPOSED_BEDROCK> containing cracks or faults; highly fractured rock [DFDD, Feature Attribute Dictionary, SRD:31]. 12 IR [FACC, Annex B, SRD:31]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE HIGH_LANDSLIDE_POTENTIAL A <TRACT> where the chance of landslides is high due to either composition or <<TERRAIN_SLOPE>>; high landslide potential [DFDD, Feature Attribute Dictionary, SRD:2]. 9 IR [FACC, Annex B, SRD:2]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE HUMMOCKY_FROST_HEAVES A <TRACT> of small <HUMMOCK>s caused by the freeze-thaw cycle; hummocky frost heaves [DFDD, Feature Attribute Dictionary, SRD:66]. 13 IR [FACC, Annex B, SRD:66]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE IRREGULAR_SURFACE_DEEP-
_FRACTURES
An uneven <TERRAIN_SURFACE_REGION> with deep cracks caused by separation between layers of <EXPOSED_BEDROCK>; irregular surface deep fractures [DFDD, Feature Attribute Dictionary, SRD:35]. 14 IR [FACC, Annex B, SRD:35]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE KARST_LARGE_HILLS A <TRACT> of hummocky karst with large cone-shaped <HILL>s and scattered <TERRAIN_DEPRESSION>s [DFDD, Feature Attribute Dictionary, SRD:60]. 15 IR [FACC, Annex B, SRD:60]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE KARST_LOW_MOUNDS A <TRACT> of hummocky karst with low broad-based mounds and scattered <TERRAIN_DEPRESSION>s [DFDD, Feature Attribute Dictionary, SRD:61]. 16 IR [FACC, Annex B, SRD:61]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE KARST_NUMEROUS_SINKHOLES A <TRACT> of karst with numerous <TERRAIN_DEPRESSION>s caused by the collapse of the underlying limestone, dolomite or gypsum <BEDROCK>; karst numerous sinkholes [DFDD, Feature Attribute Dictionary, SRD:59]. 17 IR [FACC, Annex B, SRD:59]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE KARST_SINKHOLES_SOLUTION-
_VALLEYS
A <TRACT> of karst with numerous <TERRAIN_DEPRESSION>s and <VALLEY_REGION>s caused by the collapse of the underlying limestone, dolomite or gypsum <BEDROCK>; karst sinkholes solution valleys [DFDD, Feature Attribute Dictionary, SRD:58]. 18 IR [FACC, Annex B, SRD:58]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE MANY_BOULDERS A <TERRAIN_SURFACE_REGION>, the <SURFACE> of which is covered mainly (greater than 55 percent) by <BOULDER>s [DFDD, Feature Attribute Dictionary, SRD:16]. 19 IR [FACC, Annex B, SRD:16]  
STD
2005/06/07
TERRAIN_MORPHOLOGY_TYPE MANY_CANALS A <TRACT> with numerous constructed drainage ways (for example: <CANAL>s, drains, and <IRRIGATION_DITCH>s) designed to control the flow of <WATER>; many canals [DFDD, Feature Attribute Dictionary, SRD:92]. 20 IR [FACC, Annex B, SRD:92]  

Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
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