Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Sand dune
|
| gptkbp:arms |
Pointing downwind
|
| gptkbp:basisFor |
Convex upwind
|
| gptkbp:commonIn |
Arid regions
|
| gptkbp:crest |
gptkb:Sharp
|
| gptkbp:firstDescribed |
gptkb:Alexander_von_Middendorf
1881 |
| gptkbp:formedBy |
wind
|
| gptkbp:foundIn |
gptkb:Earth
gptkb:Mars Deserts |
| gptkbp:hasGentleSlope |
Windward side
|
| gptkbp:hasSlipFace |
Leeward side
|
| https://www.w3.org/2000/01/rdf-schema#label |
Barchan Dunes
|
| gptkbp:migrateDirection |
Downwind
|
| gptkbp:range |
Meters to hundreds of meters
|
| gptkbp:requires |
Limited sand supply
Unidirectional wind |
| gptkbp:shape |
gptkb:Crescent
|
| gptkbp:studiedIn |
Geomorphology
|
| gptkbp:bfsParent |
gptkb:Namib_Desert
|
| gptkbp:bfsLayer |
5
|