Post on 22-Jan-2016
description
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