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Reconstructions of past ice sheet states Surface Mass Surface Height Ice Velocities Balance Changes Age-depth relationship Balance velocities Relationship between surface and balance velocities Results from analysis of radar data

  1. Reconstructions of past ice sheet states

  2. Surface Mass Surface Height Ice Velocities Balance Changes

  3. Age-depth relationship

  4. Balance velocities

  5. Relationship between surface and balance velocities

  6. Results from analysis of radar data

  7. Conclusion: Greenland has decelerated since 9ka

  8. Deceleration is not due to less accumulation

  9. Context

  10. Context

  11. Part 2. Inference of past surface temperatures

  12. Inference of past surface temperatures

  13. Inference of past surface temperatures

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