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EXPLAIN PERIGLACIAL FEATURES AND LANDFORMS

EXPLAIN PERIGLACIAL FEATURES AND LANDFORMS . IMAGE. DESCRIPTION. FORMATION. EXAMPLES. Pingos. Patterned Ground. http:// news.bbc.co.uk/2/hi/science/nature/2665675.stm. FROST HEAVE and PATTERNED GROUND. SOLIFLUCTION.

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EXPLAIN PERIGLACIAL FEATURES AND LANDFORMS

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  1. EXPLAIN PERIGLACIAL FEATURES AND LANDFORMS

  2. IMAGE DESCRIPTION FORMATION EXAMPLES

  3. Pingos

  4. Patterned Ground

  5. http://news.bbc.co.uk/2/hi/science/nature/2665675.stm • FROST HEAVE and PATTERNED GROUND

  6. SOLIFLUCTION Mass movement of soil and loose rock particles affected by alternate freezing and thawing. Characteristic of saturated soils in high latitudes, both within and beyond the permafrost zone.

  7. Permafrost • Permafrost is defined on the basis of temperature, as soil or rock that remains below 0°C throughout the year, and forms when the ground cools sufficiently in winter to produce a frozen layer that persists throughout the following summer. Talik is unfrozen ground that lies below the permafrost and between the active layer and permafrost.

  8. Permafrost Map of Alaska • http://www.youtube.com/watch?v=rPzKgnTDhqA 01:00 to 03:30 • Watch remainder for homework. • Compare features of their journey to the permafrost map on handout. • Also, good links to human adaptation…

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