Stroeve et al. (2007)
Also: Stroeve et al. 2007
Arctic sea ice decline: Faster than forecast
Stroeve, J., Holland, M.M., Meier, W., Scambos, T. & Serreze, M. (2007). Arctic sea ice decline: Faster than forecast. Geophysical Research Letters. 34(9). PDF
https://doi.org/10.1029/2007gl029703
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.