5Serreze M, Holland M, Stroeve J. Perspectives on the Arctic's shrinking sea-ice cover[J]. Science, 2007, 315:1533-1536.
6Comiso J C, Parkinson C L,Gersten R, et al. Accelerated decline in the Arctic sea ice cover[J].Geophys. Res. Lett., 2008, 35, L01703, doi: 10.1029/2007GL031972.
7Cavalieri D J, Parkinson C L. Arctic sea ice variability and trends, 1979-2010[J].The Cryosphere Discussions, 2012, 6: 957-979, doi: 10.5194/tcd-6-957-2012.
8Stroeve J, Holland M, Meier W, et al. Arctic sea ice decline: Fast- er than forecast[J]. Geophys. Res. Lett., 2007, 34, L09591, doi: I 0.1029/2007GL029703.
9Arctic Climate Impact Assessment (AC1A), Arctic Climate Im- pact Assessment[M].1042., Cambridge Univ. Press, Cambridge, U. K. 2005.
10Rothrock D A, Percival D B, Wensnahan M. The decline in arctic sea ice thickness: Separating the spatial, annual, and interannual variability in a quarter century of submarine data[J]. J. Geophys. Res., 2008, 113, C05003, doi: 10.1029/2007JC004252.