sea ice and polar bear habitat
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Sea Ice and Polar Bear Habitat
Bruno Tremblay
McGill University
Future Optimal Habitat for Polar Bear
Durner et al, 2008
Sea ice
Proximity to coastline
Bathymetry, etc
Arctic Coring Expedition - ACEX
Krylov et al., Paleoceanography, 2008
Sea Ice Thickness
Winter
Summer
Present Day Future
Sediment Deposit
Present Day Future Nov Seeding Future Dec Seeding
Tara vs Nansen Drift
0
1
2
3
4
5
6
7
8
1975 1980 1985 1990 1995 2000 2005
Start Date
Dri
ft D
ura
tion
(ye
ars
)
Total Drift Time in Recent Time
Pfirman Tremblay Fowler, 2009
Back Trajectories
2006 2007 2008
From the model
Proposed Modeling Activities
Sea Ice Thickness Animation – Arctic
Sea Ice Thickness Animation - CAA
Ice Origin Animation
Ice Age Animation
Sea Ice Drift Patter and Origin
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