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- Subglacial_channel abstract "A subglacial meltwater channel is a channel beneath an ice mass, like ice sheets and valley glaciers, roughly parallel to the main ice flow direction. These meltwater channels can have different sizes, ranging from very small channels of a metre deep and wide to big valleys which can be up to a kilometres wide. The dimensions of these channels are regulated by several factors: water temperature, meltwater volume, debris content in the water, ice wall closure rates (governed by the ice thickness) and squeezing of fluidized sediment In the glaciological literature three forms of sub glacial melt water channels are commonly mentioned. The first type of channel is the R-channel (Röthlisberger, 1972) These are semi-circular channels cut upward into the ice. The balance between channel enlargement by viscous heating and closure by ice deformation when the channels are water-filled reflects their size and water pressure.The second type mentioned are H-channels, after Roger Hooke. These channels are similar to R channels, cut upward into the ice that tends to follow the local bed slope but are broad and flatter than R channels. Such channels form where water flows at atmospheric pressure beneath thin ice and on steep downglacier bedslopes.The final type, the N-channel (after John Nye), are those incised into bedrock, perhaps suggesting long-term channel stability under some glaciers".
- Subglacial_channel wikiPageID "21507189".
- Subglacial_channel wikiPageLength "2241".
- Subglacial_channel wikiPageOutDegree "5".
- Subglacial_channel wikiPageRevisionID "672680862".
- Subglacial_channel wikiPageWikiLink Atmospheric_pressure.
- Subglacial_channel wikiPageWikiLink Category:Glaciology.
- Subglacial_channel wikiPageWikiLink Fluid_pressure.
- Subglacial_channel wikiPageWikiLink Ice.
- Subglacial_channel wikiPageWikiLink Ice_sheet.
- Subglacial_channel wikiPageWikiLink Pressure.
- Subglacial_channel wikiPageWikiLinkText "Subglacial channel".
- Subglacial_channel wikiPageWikiLinkText "glacial meltwater channels".
- Subglacial_channel wikiPageWikiLinkText "meltwater channels".
- Subglacial_channel wikiPageWikiLinkText "subglacial channel".
- Subglacial_channel hasPhotoCollection Subglacial_channel.
- Subglacial_channel wikiPageUsesTemplate Template:Reflist.
- Subglacial_channel wikiPageUsesTemplate Template:Unreferenced.
- Subglacial_channel subject Category:Glaciology.
- Subglacial_channel hypernym Channel.
- Subglacial_channel type Article.
- Subglacial_channel type TelevisionStation.
- Subglacial_channel type Article.
- Subglacial_channel type Science.
- Subglacial_channel type Subfield.
- Subglacial_channel comment "A subglacial meltwater channel is a channel beneath an ice mass, like ice sheets and valley glaciers, roughly parallel to the main ice flow direction. These meltwater channels can have different sizes, ranging from very small channels of a metre deep and wide to big valleys which can be up to a kilometres wide.".
- Subglacial_channel label "Subglacial channel".
- Subglacial_channel sameAs Subglasial_spylerenne.
- Subglacial_channel sameAs m.05h58f1.
- Subglacial_channel sameAs Q7631146.
- Subglacial_channel sameAs Q7631146.
- Subglacial_channel wasDerivedFrom Subglacial_channel?oldid=672680862.
- Subglacial_channel isPrimaryTopicOf Subglacial_channel.