Seasonal and interannual variability in 13C composition of ecosystem carbon fluxes in the U.S. Southern Great Plains
Article first published online: 14 DEC 2010
Tellus B©2010 John Wiley & Sons A/S No claim to original US government works
Volume 63, Issue 2, pages 181–195, April 2011
How to Cite
TORN, M. S., BIRAUD, S. C., STILL, C. J., RILEY, W. J. and BERRY, J. A. (2011), Seasonal and interannual variability in 13C composition of ecosystem carbon fluxes in the U.S. Southern Great Plains. Tellus B, 63: 181–195. doi: 10.1111/j.1600-0889.2010.00519.x
- Issue published online: 16 MAR 2011
- Article first published online: 14 DEC 2010
- Accepted manuscript online: 11 NOV 2010 03:59AM EST
- (Manuscript received 5 January 2010; in final form 2 November 2010)
Appendix S1. Figures S1, S2, S3 and S4.
Figure S1. Example of the nighttime and diurnal cycle of 13CO2 at different heights above the ground, one week apart, for spring (March 27 and April 2, 2008 for night and diel, respectively), summer (July 29 and July 22, 2009) and fall (October 18 and October 10, 2007).
Figure S2. Standard error of the Keeling plot intercept for Nighttime and Diel sampling versus the range of CO2 concentrations for each plot.
Figure S3. Monthly average Keeling plot intercepts for Nighttime and Diel sampling protocols.
Figure S4. The fractional contribution to total ecosystem respiration from C3 versus C4 plant types, estimated by a two-member mixing model with end members of --28.2 and --12.4‰, respectively from Still et al. (2003b), this study, and the Nighttime and Diel sampling protocols.
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