Trenberth & Fasullo (2012)
Also: Trenberth & Fasullo 2012
Tracking Earth's energy: From El Nino to global warming
Trenberth, K. E., & Fasullo, J. T. (2012). Tracking Earth's energy: From El Nino to global warming. Surveys in Geophysics, 33(3-4), 413-426. Link to paper
DOI: 10.1007/s10712-011-9150-2
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.