Glacial landforms

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Glacial landforms

  1. 1. * Peter Knights Photos of Landscapes and Glaciers (Keele University)
  2. 2. Niche glaciersThe smallest scale ofglaciation: Niche glaciersand ice aprons in the GrandTetons, Wyoming, USA.Small glaciers such as theseare often the most sensitiveto local climate change.
  3. 3. The summit ice cap of the volcano, Cotopaxi, EcuadorThe ice cap extends further on one side of the mountain. The sideof the mountain facing the moisture-bearing winds has highersnowfall and hence more extensive glaciation. The deep channelscarved by meltwater and by volcanic mudflows (lahars) caused bymelting of snow and ice during eruptions.
  4. 4. VALLEY GLACIERRUTH GLACIER, MOUNT MC KINLEY
  5. 5. Regal and Nizina Glaciers, Alaska
  6. 6. ICE SHEETA B West Greenland
  7. 7. August 67N GreenlandApril 67NGreenland
  8. 8. Snout or Ice FrontRussell Glacier Ice Front
  9. 9. *CREVASSE ICE CAVE SUPRAGLACIAL STREAM
  10. 10. Subglacial streamIce cliff
  11. 11. 1954 Franz Josef Glacier, located in New Zealand 19581960 retreated dramatically in the twentieth century 1964
  12. 12. * Clean ice sliding on bedrockIce scouredtopography
  13. 13. MOUNT MC KINLEY A B CAthabasca Glacier
  14. 14. StriationsErratics
  15. 15. 1 2 1 3 41 1
  16. 16. Lateral and terminal moraines, Bylot Island, CanadaEnd moraine,Bylot Island, Canada
  17. 17. Moraines of different ages *Ice Front
  18. 18. PUSH MORAINE
  19. 19. Proglacial zone Ice-dammed lake
  20. 20. OUTWASH PLAINSBRAIDED CHANNEL
  21. 21. RAISED BEACH, W. SCOTLAND

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