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Physical factors affecting sea ice Ice-albedo feedback North Atlantic Oscillations

Physical factors affecting sea ice Ice-albedo feedback North Atlantic Oscillations Ocean heat transport Greenhouse warming. Model simulations. Large scatter between models “… it seems our models aren’t very good in the Arctic” - Andrew Rothrock (UW)

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Physical factors affecting sea ice Ice-albedo feedback North Atlantic Oscillations

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  1. Physical factors affecting sea ice Ice-albedo feedback North Atlantic Oscillations Ocean heat transport Greenhouse warming

  2. Model simulations Large scatter between models “… it seems our models aren’t very good in the Arctic” - Andrew Rothrock (UW) “…Often, one could predict the result from the politics of the modeler” - Harte 2002 What about data: Was it warmer in the past? Was there less sea ice?

  3. Laptev Sea Barents Sea Fram Strait Agassiz ice cap Chukchi Sea Davis Strait Beaufort sea Penny ice cap Baffin Bay

  4. Bowhead whale 15-18 m, ~90 tones Remain close to the ice edge

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