This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Farquhar, G. D. et al. Nature 363, 439–443 (1993).
Keeling, C. D. Geochim. cosmochim. Acta 24, 277–298 (1961).
Bottinga, Y. & Craig, H. Earth planet. Sci. Lett. 5, 285–295 (1969).
Mook, W. G., Koopmans, M., Carter, A. F. & Keeling, C. D. J. geophys. Res. 88, 10915–10933 (1983).
Friedli, H., Siegenthaler, U., Rauber, D. & Oeschger, H. Tellus B39, 80–88 (1987).
Francey, R. J. & Tans, P. P. Nature 327, 495–497 (1987).
Yakir, D., Berry, J. A., Giles, L., Osmond, C. B. & Thomas, R. in Scaling Physiological Processes: Leaf to Globe (eds Ehleringer, J. R. & Field, C. B.) 323–338 (Academic, San Diego, 1993).
Yakir, D., Berry, J. A., Giles, L. & Osmond, C. B. in Stable Isotopes and Plant Carbon Water Relations (eds Ehleringer, J. R., Hall, A. E. & Farquhar, G. D.) (Academic, San Diego, in the press).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Keeling, R. Heavy carbon dioxide. Nature 363, 399–400 (1993). https://doi.org/10.1038/363399a0
Issue Date:
DOI: https://doi.org/10.1038/363399a0