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Statements

Subject Item
dbr:Cyclic_steps
rdfs:label
Cyclic steps
rdfs:comment
Cyclic steps are rhythmic bedforms associated with Froude super-critical flow instability. They are a type of sediment wave, and are created when supercritical sediment-laden water (turbidity currents) travels downslope through sediment beds. Each ‘step’ has a steep drop, and together they tend to migrate upstream. On the ocean floor, this phenomenon was first shown to be possible in 2006, although it was observed in open-channel flows over a decade earlier. Geological features appearing to be submarine cyclic steps have been detected in the northern lowlands of Mars in the Aeolis Mensae region, providing evidence of an ancient Martian ocean.
foaf:depiction
n4:Monterey_Cyclic_Steps_Profile_View.png n4:Cyclic_step_diagram.jpg n4:Cyclic_step_formation_over_time.jpg n4:Monterey_Cyclic_Steps_Birds_Eye_View.png
dcterms:subject
dbc:Oceanographical_terminology dbc:Coastal_and_oceanic_landforms dbc:Sedimentology dbc:Submarine_topography
dbo:wikiPageID
68003483
dbo:wikiPageRevisionID
1076117064
dbo:wikiPageWikiLink
dbr:Flume dbr:Glaciolacustrine_deposits dbr:Monterey_Canyon dbr:Turbidity_current n6:Monterey_Cyclic_Steps_Birds_Eye_View.png n6:Monterey_Cyclic_Steps_Profile_View.png dbr:Froude_number n6:Cyclic_step_diagram.jpg n6:Cyclic_step_formation_over_time.jpg dbr:Martian_dichotomy dbc:Oceanographical_terminology dbr:Antidune dbr:Open-channel_flow dbc:Sedimentology dbr:Katabatic_wind dbc:Submarine_topography dbr:Aeolis_Mensae dbr:Bedform dbc:Coastal_and_oceanic_landforms dbr:Supercritical_flow
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n4:Monterey_Cyclic_Steps_Profile_View.png?width=300
dbo:abstract
Cyclic steps are rhythmic bedforms associated with Froude super-critical flow instability. They are a type of sediment wave, and are created when supercritical sediment-laden water (turbidity currents) travels downslope through sediment beds. Each ‘step’ has a steep drop, and together they tend to migrate upstream. On the ocean floor, this phenomenon was first shown to be possible in 2006, although it was observed in open-channel flows over a decade earlier. Geological features appearing to be submarine cyclic steps have been detected in the northern lowlands of Mars in the Aeolis Mensae region, providing evidence of an ancient Martian ocean.
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wikipedia-en:Cyclic_steps?oldid=1076117064&ns=0
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18953
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wikipedia-en:Cyclic_steps