Velicogna (2009)
Also: Velicogna 2009
Increasing rates of ice mass loss from the Greenland and Antarctic ice sheets revealed by GRACE
Velicogna, I. (2009). Increasing rates of ice mass loss from the Greenland and Antarctic ice sheets revealed by GRACE. Geophysical Research Letters. 36(19). PDF
https://doi.org/10.1029/2009gl040222
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.