Simmonds (2015)
Also: Simmonds 2015
Comparing and contrasting the behaviour of Arctic and Antarctic sea ice over the 35 year period 1979-2013
Simmonds, I. (2015). Comparing and contrasting the behaviour of Arctic and Antarctic sea ice over the 35 year period 1979-2013. Ann. Glaciol, 56, 18-28. Link to PDF
doi: 10.3189/2015AoG69A909
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.