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Melting ice may change shape of Arctic river deltas

Thawing ice cover and easily erodible permafrost may destabilize Arctic river deltas, according to new research.  A new study in the AGU journal Geophysical Research Letters finds sea ice and permafrost both act to stabilize channels on Arctic river deltas.  "Your channels tend to stay in one place when you have really thick ice or when you have permafrost that's really hard to erode," said Rebecca Lauzon, environmental educator at the Rochester Museum and Science Center's Cumming Nature Center in New York and the lead author of the new study.  Read more.....

 

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