Palle et al. (2009)
Also: Palle et al 2009
Interannual variations in Earth's reflectance 1999–2007
Pallé, E., Goode, P. R., & Montañés‐Rodríguez, P. (2009). Interannual variations in Earth's reflectance 1999–2007. Journal of Geophysical Research: Atmospheres, 114(D10). Link to paper
https://doi.org/10.1029/2008JD010734
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.