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Clean Patterns in Icy Dirt

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Date and time Feb 01, 2007
from 04:10 PM to 05:00 PM
Location McLennan Physics (MP) 102
Host Stephen Morris

Bernard Hallet

Diverse patterns in soils in cold regions have long attracted scientific attention as they form some of the most striking designs in nature.  They invite probing questions and naturally demand deeper understanding. They form spontaneously where the ground surface is subjected to recurrent variations in temperature and freeze-thaw cycles. These features are excellent research targets because they manifest interactions and feedbacks between process and form under particularly instructive conditions (signal is large, little noise).  Moreover, they are accessible and active, and hence can be readily monitored instrumentally.  Herein, I’ll introduce some of these intriguing examples of self-organization along with recent research results.

Hallet-fig.jpg

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MP3 recording of talk
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Contact Name Stephen Morris
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