20
IPCC (2007). Climate Change 2007: the Physical Science Basis, Sum-
32
Carmack, E.C. and Wassmann, P.F. (2006). Food-webs and physical
mary for Policymakers. Intergovernmental Panel on Climate Change. biological coupling on pan-Arctic shelves: unifying concepts and com-
http://www.ipcc.ch/SPM2feb07.pdf [Accessed 6 April 2007] prehensive perspectives. Progress in Oceanography, 71, 446-477
21
Arzel, O., Fichifet, T. and Goosse, H. (2006). Sea ice evolution over
33
Laxon, S., Peacock, N. and Smith, D. (2003). High interannual
the 20th and 21st centuries as simulated by current AOGCMs. Ocean variability of sea ice thickness in the Arctic region. Nature, 425,
Modelling, 12, 401-415 947-950
22
Holland, M.M., Bitz, C.M. and Tremblay, B. (2006). Future abrupt
34
Kwok, R., Cunningham, G.F., Zwally, H.J. and Yi, D. (2006).
reductions in the summer Arctic sea ice. Geophysical Research Letters, ICES at over Arctic sea ice: Interpretation of altimetric and reflec-
33(L23503), doi:10.1029/2006GL028024 tivity profiles. Journal of Geophysical Research, 111(C06006), doi:
10.1029/2005JC003175
23
Winton, M. (2006). Does the Arctic sea ice have a tipping point? Geo-
physical Research Letters, 33(L23504), doi:10.1029/2006GL028017
35
Eicken, H., Lensu, M., Leppäranta, M., Tucker III, W.B., Gow, A.J.
and Salmela, O. (1995). Thickness, structure and properties of level
24
Bitz, C.M., Gent, P.R., Woodgate, R.A., Holland, M.M. and Lindsay, summer multi-year ice in the Eurasian Sector of the Arctic Ocean. J.
R. (2006). The influence of sea ice on ocean heat uptake in response to Geophys. Res., 100, 22697-22710
increasing CO
2
. Journal of Climate, 19, 2437-2450
36
Horner, R., Ackley, S.F., Dieckmann, G.S., Gulliksen, B., Hoshiai,
25
Dickinson, R.E., Meehl, G.A and Washington, W.M. (1987). Ice–albedo T., Legendre, L., Melnikov, I.A., Reeburgh, W.S., Spindler, M. and Sul-
feedback in a CO
2
-doubling simulation. Clim. Change, 10, 241–248 livan, C.W. (1992). Ecology of sea ice biota. 1. Habitat, terminology and
methodology. Polar Biol., 12, 417-427
26
Rind, D., Healy, R., Parkinson, C. and Martinson, D. (1995). The role
of sea ice in 2x CO2 climate model sensitivity. Part I: The total influ-
37
Wassmann, P., Reigstad, M., Haug, T., Rudels, B., Carroll, M.L., Hop
ence of sea ice thickness and extent. J. of Climate, 8(3), 450–463 H., Gabrielsen, G.W., Falk-Petersen, S., Denisenko, S.G., Arashkevich,
E., Slagstad, D. and Pavlova, O. (2006). Food webs and carbon flux in
27
Curry, J.A., Schramm, J.L. and Ebert, E.E. (1995). Sea-ice albedo cli- the Barents Sea. Prog. Oceanogr, 71, 232-287
mate feedback mechanism. Journal of Climate, 8, 240-247
38
Brierly, A.S. and Thomas, D.N. (2002). Ecology of Southern Ocean
28
Pegau, W.S. and Paulson, C.A. (2001). The albedo of Arctic leads in pack ice. Advances in Marine Biology, 43, 171-277
summer. Ann. Glaciol., 33, 221–224
39
Atkinson, A., Siegel, V., Pakhomov, E. and Rothery, P. (2004). Long-
29
Perovich, D.K., Grenfell, T.C., Light, B. and Hobbs, P.V. (2002). Sea- term decline in krill stock and increase in salps within the Southern
sonal evolution of the albedo of multiyear Arctic sea ice. J. Geophys. Ocean. Nature, 432, 100-103
Res., 107(C10), 8044, doi:10.1029/2000JC000438
40
Smetacek, V. and Nicol, S. (2005). Polar ocean ecosystems in a chang-
30
Ebert, E.E., Schramm, J.L. and Curry, J.A. (1995). Disposition of solar ra- ing world. Nature, 437, 362-368
diation in sea ice and the upper ocean. J. Geophys. Res., 100, 15965–15975
41
Lønne, O.J. and Gabrielsen, G.W. (1992). Summer diet of sea-
31
ACIA (2005). Impacts of a warming Arctic: Arctic Climate Impact As- birds feeding in sea-ice-covered waters near Svalbard. Polar Biol.,
sessment. Cambridge University Press, Cambridge 12, 685-692
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