Magnuson (2000)
Also: Magnuson 2000
Historical Trends in Lake and River Ice Cover in the Northern Hemisphere
Magnuson, J. J. (2000). Historical Trends in Lake and River Ice Cover in the Northern Hemisphere. Science. 289(5485),1743-1746. Article
https://doi.org/10.1126/science.289.5485.1743
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.