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- Ice_lens abstract "An ice lens or ice lenses are formed when moisture, diffused within soil or rock, accumulates in a localized zone. The ice initially accumulates within small collocated pores or pre-existing crack, and, as long as the conditions remain favorable, continues to collect in the ice layer or ice lens, wedging the soil or rock apart. Ice lenses grow parallel to the surface and several centimeters to several decimeters (inches to feet) deep in the soil or rock. Studies between 1990 and present have demonstrated that rock fracture by ice segregation (i.e., the fracture of intact rock by ice lenses that grow by drawing water from their surroundings during periods of sustained subfreezing temperatures) is a more effective weathering process than the freeze-thaw process which older texts proposed.Ice lenses play the key role in frost induced heaving of soils and fracture of bedrock, which are fundamental to weathering in cold regions. Frost heaving creates debris and dramatically shapes landscapes into complex patterns. Rock fracture in periglacial regions (alpine, subpolar and polar) has often been attributed to the freezing and volumetric expansion of water trapped within pores and cracks. However the majority of frost heaving and of bedrock fracture results instead from ice segregation in ice lenses in the near-surface frozen regions. Ice segregation results in rock fracture and frost heave.".
- Ice_lens thumbnail Melting_pingo_wedge_ice.jpg?width=300.
- Ice_lens wikiPageID "25340494".
- Ice_lens wikiPageLength "14679".
- Ice_lens wikiPageOutDegree "30".
- Ice_lens wikiPageRevisionID "670819211".
- Ice_lens wikiPageWikiLink Bedrock.
- Ice_lens wikiPageWikiLink Category:Erosion_landforms.
- Ice_lens wikiPageWikiLink Category:Glaciology.
- Ice_lens wikiPageWikiLink Category:Permafrost.
- Ice_lens wikiPageWikiLink Deformation_(engineering).
- Ice_lens wikiPageWikiLink Diffusion.
- Ice_lens wikiPageWikiLink Enthalpy_of_fusion.
- Ice_lens wikiPageWikiLink Foundation_(engineering).
- Ice_lens wikiPageWikiLink Frost_heaving.
- Ice_lens wikiPageWikiLink Gibbs–Thomson_equation.
- Ice_lens wikiPageWikiLink Lens_(geology).
- Ice_lens wikiPageWikiLink Moisture.
- Ice_lens wikiPageWikiLink Ostwald_ripening.
- Ice_lens wikiPageWikiLink Patterned_ground.
- Ice_lens wikiPageWikiLink Periglaciation.
- Ice_lens wikiPageWikiLink Road_surface.
- Ice_lens wikiPageWikiLink Rock_(geology).
- Ice_lens wikiPageWikiLink Soil.
- Ice_lens wikiPageWikiLink Temperature.
- Ice_lens wikiPageWikiLink Till.
- Ice_lens wikiPageWikiLink Vadose_zone.
- Ice_lens wikiPageWikiLink Weathering.
- Ice_lens wikiPageWikiLink File:Freezing_air_ice_lens_formation.jpg.
- Ice_lens wikiPageWikiLink File:Ice_lens_formation_in_tundra.jpg.
- Ice_lens wikiPageWikiLink File:Melting_pingo_wedge_ice.jpg.
- Ice_lens wikiPageWikiLink File:Palsaaerialview.jpg.
- Ice_lens wikiPageWikiLink File:Subglacial_ice_lens_formation.jpg.
- Ice_lens wikiPageWikiLinkText "Ice lens".
- Ice_lens wikiPageWikiLinkText "glacially-induced spalling".
- Ice_lens wikiPageWikiLinkText "ice lens".
- Ice_lens wikiPageUsesTemplate Template:Periglacial_environment.
- Ice_lens wikiPageUsesTemplate Template:Reflist.
- Ice_lens wikiPageUsesTemplate Template:See_also.
- Ice_lens subject Category:Erosion_landforms.
- Ice_lens subject Category:Glaciology.
- Ice_lens subject Category:Permafrost.
- Ice_lens type Landform.
- Ice_lens type Redirect.
- Ice_lens type Science.
- Ice_lens type Subfield.
- Ice_lens type Thing.
- Ice_lens comment "An ice lens or ice lenses are formed when moisture, diffused within soil or rock, accumulates in a localized zone. The ice initially accumulates within small collocated pores or pre-existing crack, and, as long as the conditions remain favorable, continues to collect in the ice layer or ice lens, wedging the soil or rock apart. Ice lenses grow parallel to the surface and several centimeters to several decimeters (inches to feet) deep in the soil or rock.".
- Ice_lens label "Ice lens".
- Ice_lens seeAlso Frost_weathering.
- Ice_lens sameAs Q1319360.
- Ice_lens sameAs Eislinse.
- Ice_lens sameAs Glacilenso.
- Ice_lens sameAs Lente_de_hielo.
- Ice_lens sameAs Lente_di_ghiaccio.
- Ice_lens sameAs m.09gcry2.
- Ice_lens sameAs Q1319360.
- Ice_lens wasDerivedFrom Ice_lens?oldid=670819211.
- Ice_lens depiction Melting_pingo_wedge_ice.jpg.
- Ice_lens isPrimaryTopicOf Ice_lens.