Arctic Sea Ice Decline: Introduction - Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications - page 5

during the summer of 2007, Geophys. Res. Lett ., 35 , L50,
doi:0.029/2008GL034007.
Revkin, A. C. (2007), Arctic melt unnerves the experts, N. Y.
Times , 2 Oct.
Revkin, A. C. (2008), Polar bear is made a protected species, N. Y.
Times , 5 May.
Rigor, I. G., and J. M. Wallace (2004), variations in the age of
Arctic sea-ice and summer sea-ice extent, Geophys. Res. Lett .,
31 , L0940, doi:0.029/2004GL09492.
Schweiger, A. J., J. Zhang, R. W. Lindsay, and M. Steele (2008),
Did unusually sunny skies help drive the record sea ice mini-
mum of 2007?, Geophys. Res. Lett ., 35 , L0503, doi:0.029/
2008GL033463.
Stern, H. L., R. W. Lindsay, C. M. Bitz, and P. Hezel (2008), What
is the trajectory of Arctic sea ice?, this volume.
Stroeve J., M. M. Holland, W. Meier, T. Scambos, and M. Serreze
(2007), Arctic sea ice decline: Faster than forecast, Geophys.
Res. Lett ., 34 , L0950, doi:0.029/2007GL029703.
Stroeve, J., M. Serreze, S. Drobot, S. Gearheard, M. Holland, J.
Maslanik, W. Meier, and T. Scambos (2008), Arctic sea ice ex-
tent plummets in 2007, Eos Trans. AGU , 89 (2), 3.

U.S. Fish and Wildlife Service (2008), Endangered and threatened
wildlife and plants; determination of threatened status for the po-
lar bear ( Ursus maritimus ) throughout its range, Fed. Regist ., 73 ,
28,2-28,303.
Winton, M. (2006), Amplified Arctic climate change: What does
surface albedo feedback have to do with it?, Geophys. Res. Lett .,
33 , L0370, doi:0.029/2005GL025244.
Winton, M. (2008), Sea ice-albedo feedback and nonlinear Arctic
climate change, this volume.
Zhang, J., R. Lindsay, M. Steele, and A. Schweiger (2008), What
drove the dramatic retreat of Arctic sea ice during the sum-
mer 2007?, Geophys. Res. Lett ., 35 , L505, doi:0.029/
2008GL034005.

E. T. DeWeaver, Center for Climate Research, University of
Wisconsin-Madison, 225 West Dayton Street, Madison, WI
53706, USA. ([e-mail])