Keeling plots are non-linear in non-steady state diffusive environments

Geophysical Research Letters

Volumn 36, Issue 8, 2009, Pages

  Nickerson, Nick ^a   Risk, Dave ^a  

^a ST FRANCIS XAVIER UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

3-D NUMERICAL SIMULATION; AS-SOILS; COMPLEX SYSTEMS; DATA ANALYSIS; DIFFUSIVE PROCESS; FIRST-ORDER APPROXIMATIONS; HEADSPACES; ISOTOPIC DATA; KEELING PLOTS; MIXING MODELS; NON-LINEAR; NON-LINEARITY; SIMPLIFIED MODELS; STEADY STATE;

LINEARIZATION; RISK PERCEPTION; SALINITY MEASUREMENT; SOILS; SPACE SIMULATORS; THREE DIMENSIONAL;

GEOLOGIC MODELS;

MASS TRANSFER; MEASUREMENT METHOD; MODELING; THREE-DIMENSIONAL MODELING;

EID: 67449149454     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2008GL036945     Document Type: Article

References (19)

1. 2, Geoderma, 82, 83-114.
2. Andrews, J. A., K. G. Harrsion, R. Matamala, and W. H. Schlesinger (1999), Separation of root respiration from total soil respiration using carbon-13 labeling during free air carbon dioxide enrichment (FACE), Soil Sci. Soc. Am. J., 63, 1429-1435.
3. 2 for analysis of isotopic composition: A comparison of different techniques, Isot. Environ. Health Stud, 42, 57-65.
4. 2 in a subalpine forest snowpack, Niwot Ridge, Colorado, Biogeochemistry, doi:10.1007/s10533-008-9233-4.
5. Buchmann, N., T. M. Hinckley, and J. R. Ehleringer (1998), Carbon isotope dynamics in Abies amabilis stands in the Cascades, Can. J. For. Res., 28, 808-819.
6. Ceding, T. E., D. K. Solomon, J. Quade, and J. R. Bowman (1991), On the isotopic composition of carbon in soil carbon-dioxide, Geochim. Cosmochim. Acta, 55, 3403-3405.
7. 2, Geochim. Cosmochim. Acta, 59, 2485-2489.
8. 3 ecosystem, Plant Soil, 219, 197-209.
9. 13C natural abundance in separation of root and microbial respiration in a Danish beech (Fagus sylvatica L.) forest, Rapid Commun. Mass Spectom., 18, 897-902.
10. Livingston, G. P., G. L. Hutchinson, and K. Spartalian (2005), Diffusion theory improves chamber-based measurements of trace gas emissions, Geophys. Res. Lett., 32, L24817, doi:10.1029/2005GL024744.
11. Livingston, G. P., G. L. Hutchinson, and K. Spartalin (2006), Trace gas emission in chambers: A non-steady-state diffusion model, Soil Sci. Soc. Am. J., 70, 1459-1469.
12. McCarthy, K. A., and R. L. Johnson (1995), Measurement of trichloroethylene diffusion as a function of moisture-content in sections of gravity-drained soil columns, J. Environ. Qual., 24, 49-55.
13. 2 using a novel open chamber system, Rapid Commun. Mass Spectrom., 22, 2073-2081.
14. Mora, G., and J. W. Raich (2007), Carbon-isotopic composition of soil respired carbon dioxide in static closed chambers at equilibrium, Rapid Commun. Mass Spectrom., 21, 1866-1870.
15. 2, Soil Biol. Biochem., 37, 2273-2276.
16. Pataki, D. E., J. R. Ehleringer, L. B. Flanagan, D. Yakir, D. R. Bowling, C. J. Still, N. Buchmann, J. O. Kaplan, and J. A. Berry (2003), The application and interpretation of Keeling plots in terrestrial carbon cycle research, Global Biogeochem. Cycles, 17(1), 1022, doi:10.1029/2001GB001850.
17. Risk, D., and L. Kellman (2008), Isotopic fractionation in non-equilibrium diffusive environments, Geophys. Res. Lett., 35, L02403, doi:10.1029/2007GL032374.
18. 2 concentration, Soil Biol. Biochem., 36, 1013-1015.
19. Zobitz, J. M., J. P. Keener, H. Schnyder, and D. R. Bowling (2006), Sensitivity analysis and quantification of uncertainty for isotopic mixing relationships in carbon cycle research, Agric. For. Meteorol., 136, 56-75.