Manning & Keeling (2006)
Also: Manning & Keeling 2006
Global oceanic and land biotic carbon sinks from the Scripps atmospheric oxygen flask sampling network
Manning, A., & Keeling, R. F. (2006). Global oceanic and land biotic carbon sinks from the Scripps atmospheric oxygen flask sampling network. Tellus B: Chemical and Physical Meteorology, 58(2), 95-116. Link to paper
DOI: https://doi.org/10.1111/j.1600-0889.2006.00175.x
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.