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Antarctic IS Model (Implications Evo AIS (Initial glaciation over main…

- - - - consistent flow direction - smoother
      - changing directions - rougher
- - - - Younger Dryas age
    - - Puzzling why glaciers focus troughs on West
  - - - Little readvance @ end last glacial
      - Plotted glacier extents
    - - Whole generation of troughs correlate with LLS ice advance
  - - - Result in little ice cap around them
      - Need MUCH COLDER to go beyond this